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Flock XR

Flock XR is a free, open-source tool for creating and exploring 3D worlds in the browser, designed for education and accessible on low-cost devices.

3D animation of the three women who created Flock XR

It enables educators, students, and families to build interactive 3D experiences without downloads or logins, making it easy to use in classrooms, clubs, and at home.

Key features

  • No login required
  • Runs entirely in the browser (including Chromebooks, tablets, and low-spec devices)
  • Designed for schools, clubs, and home learning
  • Supported by curriculum resources and ready-to-use lesson materials

What can you do with Flock XR?

  • Build and explore interactive 3D environments
  • Create worlds using visual gizmos and block-based coding
  • Teach coding, game design, and digital storytelling through hands-on projects
  • Run engaging learning activities without installing software
  • Use games engine concepts such as aniamtions, particle effects and physics
  • Create spatial computing projects that link the digital and physical worlds

Flock XR has been designed to start with younger children aged 7+, often using tablets. Then take them through upper primary, middle school and high school right through to professional 3D tools, such as Babylon JS, UEFN, Unity and Godot.

Why 3D and XR?

3D is engaging and age appropriate for young people and can lead to careers across a range of industries. Technology that originated in games is now used in many sectors. XR and spatial computing are changing how humans interact with technology, bridging the physical and digital worlds.

  • Young people love 3D games and social platforms such as Minecraft, Roblox, Fortnite and more. Flock XR brings that knowledge into the classroom.
  • The real world is 3D. It turns out that some things are just easier when you don't have the complexity of having to map to 3D.
  • 3D is the basis for eXtended Reality and spatial computing, the metaverse and immersive tech which are growing dramatically across industries.

Who is it for?

  • Young people age 7-14+ (primary through secondary education, K-12)
  • Teachers and educators worldwide
  • Clubs, coding groups, and informal learning communities
  • Parents and home educators supporting creative learning

👉 Try it now: app.flockxr.com A project from: Flip Computing.

Supporters

The development of Flock XR is supported by grants from Nlnet Foundation, UK Games Fund, and MediaCity Immersive Technologies Innovation Hub.

We are looking for funding to take Flock XR further so please get in touch if you can help.

End user documentation

Please see our documentation hub and free resources for clubs.

Development info

Full details of Flock XR versions including the latest Development version can be found at flockxr.com/versions/

You will also find full dev setup for contributing to Flock XR in our guide.

Flock XR is licensed under the MIT License. By contributing, you agree that your contributions will be licensed under the same license.

Project Structure

Flock XR is based on Blockly, the Babylon JS library and the Havok physics engine. Most 3D assets have been created within the project using Blender, with some audio from Kenney.nl.

  • JavaScript (considering TypeScript migration)
  • Babylon.js - 3D rendering engine
  • Google Blockly - Visual programming blocks
  • Vite - Build tool
  • Node.js - Development environment
  • Progressive Web App features
  • Mocha & Chai - Unit testing framework
  • Playwright - End-to-end testing framework

This project is tested with BrowserStack.

📚 Documentation:

About

Flock XR - Creative coding in 3D

Topics

Resources

Contributing

Stars

31 stars

Watchers

1 watching

Forks

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Sponsor this project

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Used by

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Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
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Flock XR

Flock XR is a free, open-source tool for creating and exploring 3D worlds in the browser, designed for education and accessible on low-cost devices.

3D animation of the three women who created Flock XR

It enables educators, students, and families to build interactive 3D experiences without downloads or logins, making it easy to use in classrooms, clubs, and at home.

Key features

  • No login required
  • Runs entirely in the browser (including Chromebooks, tablets, and low-spec devices)
  • Designed for schools, clubs, and home learning
  • Supported by curriculum resources and ready-to-use lesson materials

What can you do with Flock XR?

  • Build and explore interactive 3D environments
  • Create worlds using visual gizmos and block-based coding
  • Teach coding, game design, and digital storytelling through hands-on projects
  • Run engaging learning activities without installing software
  • Use games engine concepts such as aniamtions, particle effects and physics
  • Create spatial computing projects that link the digital and physical worlds

Flock XR has been designed to start with younger children aged 7+, often using tablets. Then take them through upper primary, middle school and high school right through to professional 3D tools, such as Babylon JS, UEFN, Unity and Godot.

Why 3D and XR?

3D is engaging and age appropriate for young people and can lead to careers across a range of industries. Technology that originated in games is now used in many sectors. XR and spatial computing are changing how humans interact with technology, bridging the physical and digital worlds.

  • Young people love 3D games and social platforms such as Minecraft, Roblox, Fortnite and more. Flock XR brings that knowledge into the classroom.
  • The real world is 3D. It turns out that some things are just easier when you don't have the complexity of having to map to 3D.
  • 3D is the basis for eXtended Reality and spatial computing, the metaverse and immersive tech which are growing dramatically across industries.

Who is it for?

  • Young people age 7-14+ (primary through secondary education, K-12)
  • Teachers and educators worldwide
  • Clubs, coding groups, and informal learning communities
  • Parents and home educators supporting creative learning

👉 Try it now: app.flockxr.com A project from: Flip Computing.

Supporters

The development of Flock XR is supported by grants from Nlnet Foundation, UK Games Fund, and MediaCity Immersive Technologies Innovation Hub.

We are looking for funding to take Flock XR further so please get in touch if you can help.

End user documentation

Please see our documentation hub and free resources for clubs.

Development info

Full details of Flock XR versions including the latest Development version can be found at flockxr.com/versions/

You will also find full dev setup for contributing to Flock XR in our guide.

Flock XR is licensed under the MIT License. By contributing, you agree that your contributions will be licensed under the same license.

Project Structure

Flock XR is based on Blockly, the Babylon JS library and the Havok physics engine. Most 3D assets have been created within the project using Blender, with some audio from Kenney.nl.

  • JavaScript (considering TypeScript migration)
  • Babylon.js - 3D rendering engine
  • Google Blockly - Visual programming blocks
  • Vite - Build tool
  • Node.js - Development environment
  • Progressive Web App features
  • Mocha & Chai - Unit testing framework
  • Playwright - End-to-end testing framework

This project is tested with BrowserStack.

📚 Documentation:

About

Flock XR - Creative coding in 3D

Topics

Resources

Contributing

Stars

31 stars

Watchers

1 watching

Forks

Releases

Sponsor this project

Packages

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix"); } } catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content

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Flock XR

Flock XR is a free, open-source tool for creating and exploring 3D worlds in the browser, designed for education and accessible on low-cost devices.

3D animation of the three women who created Flock XR

It enables educators, students, and families to build interactive 3D experiences without downloads or logins, making it easy to use in classrooms, clubs, and at home.

Key features

  • No login required
  • Runs entirely in the browser (including Chromebooks, tablets, and low-spec devices)
  • Designed for schools, clubs, and home learning
  • Supported by curriculum resources and ready-to-use lesson materials

What can you do with Flock XR?

  • Build and explore interactive 3D environments
  • Create worlds using visual gizmos and block-based coding
  • Teach coding, game design, and digital storytelling through hands-on projects
  • Run engaging learning activities without installing software
  • Use games engine concepts such as aniamtions, particle effects and physics
  • Create spatial computing projects that link the digital and physical worlds

Flock XR has been designed to start with younger children aged 7+, often using tablets. Then take them through upper primary, middle school and high school right through to professional 3D tools, such as Babylon JS, UEFN, Unity and Godot.

Why 3D and XR?

3D is engaging and age appropriate for young people and can lead to careers across a range of industries. Technology that originated in games is now used in many sectors. XR and spatial computing are changing how humans interact with technology, bridging the physical and digital worlds.

  • Young people love 3D games and social platforms such as Minecraft, Roblox, Fortnite and more. Flock XR brings that knowledge into the classroom.
  • The real world is 3D. It turns out that some things are just easier when you don't have the complexity of having to map to 3D.
  • 3D is the basis for eXtended Reality and spatial computing, the metaverse and immersive tech which are growing dramatically across industries.

Who is it for?

  • Young people age 7-14+ (primary through secondary education, K-12)
  • Teachers and educators worldwide
  • Clubs, coding groups, and informal learning communities
  • Parents and home educators supporting creative learning

👉 Try it now: app.flockxr.com A project from: Flip Computing.

Supporters

The development of Flock XR is supported by grants from Nlnet Foundation, UK Games Fund, and MediaCity Immersive Technologies Innovation Hub.

We are looking for funding to take Flock XR further so please get in touch if you can help.

End user documentation

Please see our documentation hub and free resources for clubs.

Development info

Full details of Flock XR versions including the latest Development version can be found at flockxr.com/versions/

You will also find full dev setup for contributing to Flock XR in our guide.

Flock XR is licensed under the MIT License. By contributing, you agree that your contributions will be licensed under the same license.

Project Structure

Flock XR is based on Blockly, the Babylon JS library and the Havok physics engine. Most 3D assets have been created within the project using Blender, with some audio from Kenney.nl.

  • JavaScript (considering TypeScript migration)
  • Babylon.js - 3D rendering engine
  • Google Blockly - Visual programming blocks
  • Vite - Build tool
  • Node.js - Development environment
  • Progressive Web App features
  • Mocha & Chai - Unit testing framework
  • Playwright - End-to-end testing framework

This project is tested with BrowserStack.

📚 Documentation:

About

Flock XR - Creative coding in 3D

Topics

Resources

Contributing

Stars

31 stars

Watchers

1 watching

Forks

Releases

Sponsor this project

Packages

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms"); } } catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content

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NameName
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Flock XR

Flock XR is a free, open-source tool for creating and exploring 3D worlds in the browser, designed for education and accessible on low-cost devices.

3D animation of the three women who created Flock XR

It enables educators, students, and families to build interactive 3D experiences without downloads or logins, making it easy to use in classrooms, clubs, and at home.

Key features

  • No login required
  • Runs entirely in the browser (including Chromebooks, tablets, and low-spec devices)
  • Designed for schools, clubs, and home learning
  • Supported by curriculum resources and ready-to-use lesson materials

What can you do with Flock XR?

  • Build and explore interactive 3D environments
  • Create worlds using visual gizmos and block-based coding
  • Teach coding, game design, and digital storytelling through hands-on projects
  • Run engaging learning activities without installing software
  • Use games engine concepts such as aniamtions, particle effects and physics
  • Create spatial computing projects that link the digital and physical worlds

Flock XR has been designed to start with younger children aged 7+, often using tablets. Then take them through upper primary, middle school and high school right through to professional 3D tools, such as Babylon JS, UEFN, Unity and Godot.

Why 3D and XR?

3D is engaging and age appropriate for young people and can lead to careers across a range of industries. Technology that originated in games is now used in many sectors. XR and spatial computing are changing how humans interact with technology, bridging the physical and digital worlds.

  • Young people love 3D games and social platforms such as Minecraft, Roblox, Fortnite and more. Flock XR brings that knowledge into the classroom.
  • The real world is 3D. It turns out that some things are just easier when you don't have the complexity of having to map to 3D.
  • 3D is the basis for eXtended Reality and spatial computing, the metaverse and immersive tech which are growing dramatically across industries.

Who is it for?

  • Young people age 7-14+ (primary through secondary education, K-12)
  • Teachers and educators worldwide
  • Clubs, coding groups, and informal learning communities
  • Parents and home educators supporting creative learning

👉 Try it now: app.flockxr.com A project from: Flip Computing.

Supporters

The development of Flock XR is supported by grants from Nlnet Foundation, UK Games Fund, and MediaCity Immersive Technologies Innovation Hub.

We are looking for funding to take Flock XR further so please get in touch if you can help.

End user documentation

Please see our documentation hub and free resources for clubs.

Development info

Full details of Flock XR versions including the latest Development version can be found at flockxr.com/versions/

You will also find full dev setup for contributing to Flock XR in our guide.

Flock XR is licensed under the MIT License. By contributing, you agree that your contributions will be licensed under the same license.

Project Structure

Flock XR is based on Blockly, the Babylon JS library and the Havok physics engine. Most 3D assets have been created within the project using Blender, with some audio from Kenney.nl.

  • JavaScript (considering TypeScript migration)
  • Babylon.js - 3D rendering engine
  • Google Blockly - Visual programming blocks
  • Vite - Build tool
  • Node.js - Development environment
  • Progressive Web App features
  • Mocha & Chai - Unit testing framework
  • Playwright - End-to-end testing framework

This project is tested with BrowserStack.

📚 Documentation:

About

Flock XR - Creative coding in 3D

Topics

Resources

Contributing

Stars

31 stars

Watchers

1 watching

Forks

Releases

Sponsor this project

Packages

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links"); } } catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); } })(); (function(){ try { var __m = "youtube.com"; var __re = new RegExp('^' + "youtube\\.com" + '
Skip to content

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5,601 Commits

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NameName
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Flock XR

Flock XR is a free, open-source tool for creating and exploring 3D worlds in the browser, designed for education and accessible on low-cost devices.

3D animation of the three women who created Flock XR

It enables educators, students, and families to build interactive 3D experiences without downloads or logins, making it easy to use in classrooms, clubs, and at home.

Key features

  • No login required
  • Runs entirely in the browser (including Chromebooks, tablets, and low-spec devices)
  • Designed for schools, clubs, and home learning
  • Supported by curriculum resources and ready-to-use lesson materials

What can you do with Flock XR?

  • Build and explore interactive 3D environments
  • Create worlds using visual gizmos and block-based coding
  • Teach coding, game design, and digital storytelling through hands-on projects
  • Run engaging learning activities without installing software
  • Use games engine concepts such as aniamtions, particle effects and physics
  • Create spatial computing projects that link the digital and physical worlds

Flock XR has been designed to start with younger children aged 7+, often using tablets. Then take them through upper primary, middle school and high school right through to professional 3D tools, such as Babylon JS, UEFN, Unity and Godot.

Why 3D and XR?

3D is engaging and age appropriate for young people and can lead to careers across a range of industries. Technology that originated in games is now used in many sectors. XR and spatial computing are changing how humans interact with technology, bridging the physical and digital worlds.

  • Young people love 3D games and social platforms such as Minecraft, Roblox, Fortnite and more. Flock XR brings that knowledge into the classroom.
  • The real world is 3D. It turns out that some things are just easier when you don't have the complexity of having to map to 3D.
  • 3D is the basis for eXtended Reality and spatial computing, the metaverse and immersive tech which are growing dramatically across industries.

Who is it for?

  • Young people age 7-14+ (primary through secondary education, K-12)
  • Teachers and educators worldwide
  • Clubs, coding groups, and informal learning communities
  • Parents and home educators supporting creative learning

👉 Try it now: app.flockxr.com A project from: Flip Computing.

Supporters

The development of Flock XR is supported by grants from Nlnet Foundation, UK Games Fund, and MediaCity Immersive Technologies Innovation Hub.

We are looking for funding to take Flock XR further so please get in touch if you can help.

End user documentation

Please see our documentation hub and free resources for clubs.

Development info

Full details of Flock XR versions including the latest Development version can be found at flockxr.com/versions/

You will also find full dev setup for contributing to Flock XR in our guide.

Flock XR is licensed under the MIT License. By contributing, you agree that your contributions will be licensed under the same license.

Project Structure

Flock XR is based on Blockly, the Babylon JS library and the Havok physics engine. Most 3D assets have been created within the project using Blender, with some audio from Kenney.nl.

  • JavaScript (considering TypeScript migration)
  • Babylon.js - 3D rendering engine
  • Google Blockly - Visual programming blocks
  • Vite - Build tool
  • Node.js - Development environment
  • Progressive Web App features
  • Mocha & Chai - Unit testing framework
  • Playwright - End-to-end testing framework

This project is tested with BrowserStack.

📚 Documentation:

About

Flock XR - Creative coding in 3D

Topics

Resources

Contributing

Stars

31 stars

Watchers

1 watching

Forks

Releases

Sponsor this project

Packages

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default"); } } catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content

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5,601 Commits

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NameName
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Flock XR

Flock XR is a free, open-source tool for creating and exploring 3D worlds in the browser, designed for education and accessible on low-cost devices.

3D animation of the three women who created Flock XR

It enables educators, students, and families to build interactive 3D experiences without downloads or logins, making it easy to use in classrooms, clubs, and at home.

Key features

  • No login required
  • Runs entirely in the browser (including Chromebooks, tablets, and low-spec devices)
  • Designed for schools, clubs, and home learning
  • Supported by curriculum resources and ready-to-use lesson materials

What can you do with Flock XR?

  • Build and explore interactive 3D environments
  • Create worlds using visual gizmos and block-based coding
  • Teach coding, game design, and digital storytelling through hands-on projects
  • Run engaging learning activities without installing software
  • Use games engine concepts such as aniamtions, particle effects and physics
  • Create spatial computing projects that link the digital and physical worlds

Flock XR has been designed to start with younger children aged 7+, often using tablets. Then take them through upper primary, middle school and high school right through to professional 3D tools, such as Babylon JS, UEFN, Unity and Godot.

Why 3D and XR?

3D is engaging and age appropriate for young people and can lead to careers across a range of industries. Technology that originated in games is now used in many sectors. XR and spatial computing are changing how humans interact with technology, bridging the physical and digital worlds.

  • Young people love 3D games and social platforms such as Minecraft, Roblox, Fortnite and more. Flock XR brings that knowledge into the classroom.
  • The real world is 3D. It turns out that some things are just easier when you don't have the complexity of having to map to 3D.
  • 3D is the basis for eXtended Reality and spatial computing, the metaverse and immersive tech which are growing dramatically across industries.

Who is it for?

  • Young people age 7-14+ (primary through secondary education, K-12)
  • Teachers and educators worldwide
  • Clubs, coding groups, and informal learning communities
  • Parents and home educators supporting creative learning

👉 Try it now: app.flockxr.com A project from: Flip Computing.

Supporters

The development of Flock XR is supported by grants from Nlnet Foundation, UK Games Fund, and MediaCity Immersive Technologies Innovation Hub.

We are looking for funding to take Flock XR further so please get in touch if you can help.

End user documentation

Please see our documentation hub and free resources for clubs.

Development info

Full details of Flock XR versions including the latest Development version can be found at flockxr.com/versions/

You will also find full dev setup for contributing to Flock XR in our guide.

Flock XR is licensed under the MIT License. By contributing, you agree that your contributions will be licensed under the same license.

Project Structure

Flock XR is based on Blockly, the Babylon JS library and the Havok physics engine. Most 3D assets have been created within the project using Blender, with some audio from Kenney.nl.

  • JavaScript (considering TypeScript migration)
  • Babylon.js - 3D rendering engine
  • Google Blockly - Visual programming blocks
  • Vite - Build tool
  • Node.js - Development environment
  • Progressive Web App features
  • Mocha & Chai - Unit testing framework
  • Playwright - End-to-end testing framework

This project is tested with BrowserStack.

📚 Documentation:

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Flock XR - Creative coding in 3D

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31 stars

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers"); } } catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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Flock XR

Flock XR is a free, open-source tool for creating and exploring 3D worlds in the browser, designed for education and accessible on low-cost devices.

3D animation of the three women who created Flock XR

It enables educators, students, and families to build interactive 3D experiences without downloads or logins, making it easy to use in classrooms, clubs, and at home.

Key features

  • No login required
  • Runs entirely in the browser (including Chromebooks, tablets, and low-spec devices)
  • Designed for schools, clubs, and home learning
  • Supported by curriculum resources and ready-to-use lesson materials

What can you do with Flock XR?

  • Build and explore interactive 3D environments
  • Create worlds using visual gizmos and block-based coding
  • Teach coding, game design, and digital storytelling through hands-on projects
  • Run engaging learning activities without installing software
  • Use games engine concepts such as aniamtions, particle effects and physics
  • Create spatial computing projects that link the digital and physical worlds

Flock XR has been designed to start with younger children aged 7+, often using tablets. Then take them through upper primary, middle school and high school right through to professional 3D tools, such as Babylon JS, UEFN, Unity and Godot.

Why 3D and XR?

3D is engaging and age appropriate for young people and can lead to careers across a range of industries. Technology that originated in games is now used in many sectors. XR and spatial computing are changing how humans interact with technology, bridging the physical and digital worlds.

  • Young people love 3D games and social platforms such as Minecraft, Roblox, Fortnite and more. Flock XR brings that knowledge into the classroom.
  • The real world is 3D. It turns out that some things are just easier when you don't have the complexity of having to map to 3D.
  • 3D is the basis for eXtended Reality and spatial computing, the metaverse and immersive tech which are growing dramatically across industries.

Who is it for?

  • Young people age 7-14+ (primary through secondary education, K-12)
  • Teachers and educators worldwide
  • Clubs, coding groups, and informal learning communities
  • Parents and home educators supporting creative learning

👉 Try it now: app.flockxr.com A project from: Flip Computing.

Supporters

The development of Flock XR is supported by grants from Nlnet Foundation, UK Games Fund, and MediaCity Immersive Technologies Innovation Hub.

We are looking for funding to take Flock XR further so please get in touch if you can help.

End user documentation

Please see our documentation hub and free resources for clubs.

Development info

Full details of Flock XR versions including the latest Development version can be found at flockxr.com/versions/

You will also find full dev setup for contributing to Flock XR in our guide.

Flock XR is licensed under the MIT License. By contributing, you agree that your contributions will be licensed under the same license.

Project Structure

Flock XR is based on Blockly, the Babylon JS library and the Havok physics engine. Most 3D assets have been created within the project using Blender, with some audio from Kenney.nl.

  • JavaScript (considering TypeScript migration)
  • Babylon.js - 3D rendering engine
  • Google Blockly - Visual programming blocks
  • Vite - Build tool
  • Node.js - Development environment
  • Progressive Web App features
  • Mocha & Chai - Unit testing framework
  • Playwright - End-to-end testing framework

This project is tested with BrowserStack.

📚 Documentation:

About

Flock XR - Creative coding in 3D

Topics

Resources

Contributing

Stars

31 stars

Watchers

1 watching

Forks

Releases

Sponsor this project

Packages

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode"); } } catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); } })(); })();
Skip to content

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5,601 Commits

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NameName
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Flock XR

Flock XR is a free, open-source tool for creating and exploring 3D worlds in the browser, designed for education and accessible on low-cost devices.

3D animation of the three women who created Flock XR

It enables educators, students, and families to build interactive 3D experiences without downloads or logins, making it easy to use in classrooms, clubs, and at home.

Key features

  • No login required
  • Runs entirely in the browser (including Chromebooks, tablets, and low-spec devices)
  • Designed for schools, clubs, and home learning
  • Supported by curriculum resources and ready-to-use lesson materials

What can you do with Flock XR?

  • Build and explore interactive 3D environments
  • Create worlds using visual gizmos and block-based coding
  • Teach coding, game design, and digital storytelling through hands-on projects
  • Run engaging learning activities without installing software
  • Use games engine concepts such as aniamtions, particle effects and physics
  • Create spatial computing projects that link the digital and physical worlds

Flock XR has been designed to start with younger children aged 7+, often using tablets. Then take them through upper primary, middle school and high school right through to professional 3D tools, such as Babylon JS, UEFN, Unity and Godot.

Why 3D and XR?

3D is engaging and age appropriate for young people and can lead to careers across a range of industries. Technology that originated in games is now used in many sectors. XR and spatial computing are changing how humans interact with technology, bridging the physical and digital worlds.

  • Young people love 3D games and social platforms such as Minecraft, Roblox, Fortnite and more. Flock XR brings that knowledge into the classroom.
  • The real world is 3D. It turns out that some things are just easier when you don't have the complexity of having to map to 3D.
  • 3D is the basis for eXtended Reality and spatial computing, the metaverse and immersive tech which are growing dramatically across industries.

Who is it for?

  • Young people age 7-14+ (primary through secondary education, K-12)
  • Teachers and educators worldwide
  • Clubs, coding groups, and informal learning communities
  • Parents and home educators supporting creative learning

👉 Try it now: app.flockxr.com A project from: Flip Computing.

Supporters

The development of Flock XR is supported by grants from Nlnet Foundation, UK Games Fund, and MediaCity Immersive Technologies Innovation Hub.

We are looking for funding to take Flock XR further so please get in touch if you can help.

End user documentation

Please see our documentation hub and free resources for clubs.

Development info

Full details of Flock XR versions including the latest Development version can be found at flockxr.com/versions/

You will also find full dev setup for contributing to Flock XR in our guide.

Flock XR is licensed under the MIT License. By contributing, you agree that your contributions will be licensed under the same license.

Project Structure

Flock XR is based on Blockly, the Babylon JS library and the Havok physics engine. Most 3D assets have been created within the project using Blender, with some audio from Kenney.nl.

  • JavaScript (considering TypeScript migration)
  • Babylon.js - 3D rendering engine
  • Google Blockly - Visual programming blocks
  • Vite - Build tool
  • Node.js - Development environment
  • Progressive Web App features
  • Mocha & Chai - Unit testing framework
  • Playwright - End-to-end testing framework

This project is tested with BrowserStack.

📚 Documentation:

About

Flock XR - Creative coding in 3D

Topics

Resources

Contributing

Stars

31 stars

Watchers

1 watching

Forks

Releases

Sponsor this project

Packages

Used by

Contributors

Languages