@zealrn

ZealRN

Offline documentation, learning notes, playgrounds, and developer tools.
README.md

ZealRN logo

ZealRN

Offline documentation that helps you learn, not just search.

ZealRN brings documentation, page-linked Learning Notes, practical code experiments, and local-first workflows together.

Projects

ZealRN Desktop

Full downloadable docset catalog, page-linked notes, Web Playground, exports, and developer tools.

ZealRN Web

Installable offline PWA with starter documentation, browser-local notes, and an HTML/CSS/JavaScript playground.

ZealRN Product Site

Product overview, release status, documentation links, and project guidance.

Community

ZealRN is independently maintained and based on Zeal. It preserves the upstream GPL licensing and attribution and is not officially endorsed by the upstream project.

Pinned Loading

  1. zealrn-desktopzealrn-desktopPublic

    Local-first learning workspace with offline docs, linked notes, a web playground, and a Linux terminal.

    C++ 1

  2. zealrn-webzealrn-webPublic

    Offline-first documentation, browser learning notes, and an HTML/CSS/JavaScript playground.

    TypeScript

  3. zealrn.github.iozealrn.github.ioPublic

    The official ZealRN product website.

    HTML

Repositories

Showing 4 of 4 repositories

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, '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" + '

Skip to content
@zealrn

ZealRN

Offline documentation, learning notes, playgrounds, and developer tools.
README.md
ZealRN logo
ZealRN
Offline documentation that helps you learn, not just search.
ZealRN brings documentation, page-linked Learning Notes, practical code experiments, and local-first workflows together.
Projects
ZealRN Desktop
Full downloadable docset catalog, page-linked notes, Web Playground, exports, and developer tools.
ZealRN Web
Installable offline PWA with starter documentation, browser-local notes, and an HTML/CSS/JavaScript playground.
ZealRN Product Site
Product overview, release status, documentation links, and project guidance.
Community
ZealRN is independently maintained and based on Zeal. It preserves the upstream GPL licensing and attribution and is not officially endorsed by the upstream project.

Pinned
Loading
  1. zealrn-desktopzealrn-desktopPublic
    
Local-first learning workspace with offline docs, linked notes, a web playground, and a Linux terminal.

    C++
1

  2. zealrn-webzealrn-webPublic
    
Offline-first documentation, browser learning notes, and an HTML/CSS/JavaScript playground.

    TypeScript
  3. zealrn.github.iozealrn.github.ioPublic
    
The official ZealRN product website.

    HTML

Repositories

Showing 4 of 4 repositories
People

This organization has no public members. You must be a member to see who’s a part of this organization.

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, '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
@zealrn

ZealRN

Offline documentation, learning notes, playgrounds, and developer tools.
README.md
ZealRN logo
ZealRN
Offline documentation that helps you learn, not just search.
ZealRN brings documentation, page-linked Learning Notes, practical code experiments, and local-first workflows together.
Projects
ZealRN Desktop
Full downloadable docset catalog, page-linked notes, Web Playground, exports, and developer tools.
ZealRN Web
Installable offline PWA with starter documentation, browser-local notes, and an HTML/CSS/JavaScript playground.
ZealRN Product Site
Product overview, release status, documentation links, and project guidance.
Community
ZealRN is independently maintained and based on Zeal. It preserves the upstream GPL licensing and attribution and is not officially endorsed by the upstream project.

Pinned
Loading
  1. zealrn-desktopzealrn-desktopPublic
    
Local-first learning workspace with offline docs, linked notes, a web playground, and a Linux terminal.

    C++
1

  2. zealrn-webzealrn-webPublic
    
Offline-first documentation, browser learning notes, and an HTML/CSS/JavaScript playground.

    TypeScript
  3. zealrn.github.iozealrn.github.ioPublic
    
The official ZealRN product website.

    HTML

Repositories

Showing 4 of 4 repositories
People

This organization has no public members. You must be a member to see who’s a part of this organization.

Top languages
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, '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
@zealrn

ZealRN

Offline documentation, learning notes, playgrounds, and developer tools.
README.md
ZealRN logo
ZealRN
Offline documentation that helps you learn, not just search.
ZealRN brings documentation, page-linked Learning Notes, practical code experiments, and local-first workflows together.
Projects
ZealRN Desktop
Full downloadable docset catalog, page-linked notes, Web Playground, exports, and developer tools.
ZealRN Web
Installable offline PWA with starter documentation, browser-local notes, and an HTML/CSS/JavaScript playground.
ZealRN Product Site
Product overview, release status, documentation links, and project guidance.
Community
ZealRN is independently maintained and based on Zeal. It preserves the upstream GPL licensing and attribution and is not officially endorsed by the upstream project.

Pinned
Loading
  1. zealrn-desktopzealrn-desktopPublic
    
Local-first learning workspace with offline docs, linked notes, a web playground, and a Linux terminal.

    C++
1

  2. zealrn-webzealrn-webPublic
    
Offline-first documentation, browser learning notes, and an HTML/CSS/JavaScript playground.

    TypeScript
  3. zealrn.github.iozealrn.github.ioPublic
    
The official ZealRN product website.

    HTML

Repositories

Showing 4 of 4 repositories
People

This organization has no public members. You must be a member to see who’s a part of this organization.

Top languages
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, '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
@zealrn

ZealRN

Offline documentation, learning notes, playgrounds, and developer tools.
README.md
ZealRN logo
ZealRN
Offline documentation that helps you learn, not just search.
ZealRN brings documentation, page-linked Learning Notes, practical code experiments, and local-first workflows together.
Projects
ZealRN Desktop
Full downloadable docset catalog, page-linked notes, Web Playground, exports, and developer tools.
ZealRN Web
Installable offline PWA with starter documentation, browser-local notes, and an HTML/CSS/JavaScript playground.
ZealRN Product Site
Product overview, release status, documentation links, and project guidance.
Community
ZealRN is independently maintained and based on Zeal. It preserves the upstream GPL licensing and attribution and is not officially endorsed by the upstream project.

Pinned
Loading
  1. zealrn-desktopzealrn-desktopPublic
    
Local-first learning workspace with offline docs, linked notes, a web playground, and a Linux terminal.

    C++
1

  2. zealrn-webzealrn-webPublic
    
Offline-first documentation, browser learning notes, and an HTML/CSS/JavaScript playground.

    TypeScript
  3. zealrn.github.iozealrn.github.ioPublic
    
The official ZealRN product website.

    HTML

Repositories

Showing 4 of 4 repositories
People

This organization has no public members. You must be a member to see who’s a part of this organization.

Top languages
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, '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
@zealrn

ZealRN

Offline documentation, learning notes, playgrounds, and developer tools.
README.md
ZealRN logo
ZealRN
Offline documentation that helps you learn, not just search.
ZealRN brings documentation, page-linked Learning Notes, practical code experiments, and local-first workflows together.
Projects
ZealRN Desktop
Full downloadable docset catalog, page-linked notes, Web Playground, exports, and developer tools.
ZealRN Web
Installable offline PWA with starter documentation, browser-local notes, and an HTML/CSS/JavaScript playground.
ZealRN Product Site
Product overview, release status, documentation links, and project guidance.
Community
ZealRN is independently maintained and based on Zeal. It preserves the upstream GPL licensing and attribution and is not officially endorsed by the upstream project.

Pinned
Loading
  1. zealrn-desktopzealrn-desktopPublic
    
Local-first learning workspace with offline docs, linked notes, a web playground, and a Linux terminal.

    C++
1

  2. zealrn-webzealrn-webPublic
    
Offline-first documentation, browser learning notes, and an HTML/CSS/JavaScript playground.

    TypeScript
  3. zealrn.github.iozealrn.github.ioPublic
    
The official ZealRN product website.

    HTML

Repositories

Showing 4 of 4 repositories
People

This organization has no public members. You must be a member to see who’s a part of this organization.

Top languages
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Loading…

, '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('^' + ".*" + '

Skip to content
@zealrn

ZealRN

Offline documentation, learning notes, playgrounds, and developer tools.
README.md
ZealRN logo
ZealRN
Offline documentation that helps you learn, not just search.
ZealRN brings documentation, page-linked Learning Notes, practical code experiments, and local-first workflows together.
Projects
ZealRN Desktop
Full downloadable docset catalog, page-linked notes, Web Playground, exports, and developer tools.
ZealRN Web
Installable offline PWA with starter documentation, browser-local notes, and an HTML/CSS/JavaScript playground.
ZealRN Product Site
Product overview, release status, documentation links, and project guidance.
Community
ZealRN is independently maintained and based on Zeal. It preserves the upstream GPL licensing and attribution and is not officially endorsed by the upstream project.

Pinned
Loading
  1. zealrn-desktopzealrn-desktopPublic
    
Local-first learning workspace with offline docs, linked notes, a web playground, and a Linux terminal.

    C++
1

  2. zealrn-webzealrn-webPublic
    
Offline-first documentation, browser learning notes, and an HTML/CSS/JavaScript playground.

    TypeScript
  3. zealrn.github.iozealrn.github.ioPublic
    
The official ZealRN product website.

    HTML

Repositories

Showing 4 of 4 repositories
People

This organization has no public members. You must be a member to see who’s a part of this organization.

Top languages
Loading…
Most used topics
Loading…

, '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
@zealrn

ZealRN

Offline documentation, learning notes, playgrounds, and developer tools.
README.md
ZealRN logo
ZealRN
Offline documentation that helps you learn, not just search.
ZealRN brings documentation, page-linked Learning Notes, practical code experiments, and local-first workflows together.
Projects
ZealRN Desktop
Full downloadable docset catalog, page-linked notes, Web Playground, exports, and developer tools.
ZealRN Web
Installable offline PWA with starter documentation, browser-local notes, and an HTML/CSS/JavaScript playground.
ZealRN Product Site
Product overview, release status, documentation links, and project guidance.
Community
ZealRN is independently maintained and based on Zeal. It preserves the upstream GPL licensing and attribution and is not officially endorsed by the upstream project.

Pinned
Loading
  1. zealrn-desktopzealrn-desktopPublic
    
Local-first learning workspace with offline docs, linked notes, a web playground, and a Linux terminal.

    C++
1

  2. zealrn-webzealrn-webPublic
    
Offline-first documentation, browser learning notes, and an HTML/CSS/JavaScript playground.

    TypeScript
  3. zealrn.github.iozealrn.github.ioPublic
    
The official ZealRN product website.

    HTML

Repositories

Showing 4 of 4 repositories
People

This organization has no public members. You must be a member to see who’s a part of this organization.

Top languages
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Most used topics
Loading…