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LMMS Logo LMMS

Build statusLatest stable releaseOverall downloads on GithubJoin the chat at DiscordLocalise on transifex

A soft PR-Freeze is currently underway to prepare for refactoring (#5592). Please do not open non-essential PRs at this time.

What is LMMS?

LMMS is a free cross-platform alternative to commercial programs like FL Studio®, which allow you to produce music with your computer. This includes the creation of melodies and beats, the synthesis and mixing of sounds, and arranging of samples. You can have fun with your MIDI-keyboard and much more; all in a user-friendly and modern interface.

Homepage
Downloads/Releases
Developer Wiki
Artist & User Wiki/Documentation
Sound Demos
LMMS Sharing Platform Share your songs!

Features

  • Song-Editor for composing songs
  • A Beat+Bassline-Editor for creating beats and basslines
  • An easy-to-use Piano-Roll for editing patterns and melodies
  • An FX mixer with unlimited FX channels and arbitrary number of effects
  • Many powerful instrument and effect-plugins out of the box
  • Full user-defined track-based automation and computer-controlled automation sources
  • Compatible with many standards such as SoundFont2, VST(i), LADSPA, GUS Patches, and full MIDI support
  • MIDI file importing and exporting

Building

See Compiling LMMS on our wiki for information on how to build LMMS.

Join LMMS-development

If you are interested in LMMS, its programming, artwork, testing, writing demo songs, (and improving this README...) or something like that, you're welcome to participate in the development of LMMS!

Information about what you can do and how can be found in the wiki.

Before coding a new big feature, please alwaysfile an issue for your idea and suggestions about your feature and about the intended implementation on GitHub, or ask in one of the tech channels on Discord and wait for replies! Maybe there are different ideas, improvements, or hints, or maybe your feature is not welcome/needed at the moment.

About

Cross-platform music production software

lmms.io

Resources

Readme
GPL-2.0 license
Activity
Custom properties

Stars

0 stars

Watchers

0 watching

Forks

0 forks
Report repository

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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
BranchesTags
Repository files navigation
LMMS Logo LMMS
Build statusLatest stable releaseOverall downloads on GithubJoin the chat at DiscordLocalise on transifex
A soft PR-Freeze is currently underway to prepare for refactoring (#5592). Please do not open non-essential PRs at this time.
What is LMMS?
LMMS is a free cross-platform alternative to commercial programs like
FL Studio®, which allow you to produce music with your computer. This includes
the creation of melodies and beats, the synthesis and mixing of sounds, and
arranging of samples. You can have fun with your MIDI-keyboard and much more;
all in a user-friendly and modern interface.
Homepage
Downloads/Releases
Developer Wiki
Artist & User Wiki/Documentation
Sound Demos
LMMS Sharing Platform Share your songs!
Features
  • Song-Editor for composing songs
  • A Beat+Bassline-Editor for creating beats and basslines
  • An easy-to-use Piano-Roll for editing patterns and melodies
  • An FX mixer with unlimited FX channels and arbitrary number of effects
  • Many powerful instrument and effect-plugins out of the box
  • Full user-defined track-based automation and computer-controlled automation sources
  • Compatible with many standards such as SoundFont2, VST(i), LADSPA, GUS Patches, and full MIDI support
  • MIDI file importing and exporting
Building
See Compiling LMMS on our
wiki for information on how to build LMMS.
Join LMMS-development
If you are interested in LMMS, its programming, artwork, testing, writing demo
songs, (and improving this README...) or something like that, you're welcome
to participate in the development of LMMS!
Information about what you can do and how can be found in the
wiki.
Before coding a new big feature, please alwaysfile an issue for your idea and
suggestions about your feature and about the intended implementation on GitHub,
or ask in one of the tech channels on Discord and wait for replies! Maybe there are different ideas, improvements, or hints, or
maybe your feature is not welcome/needed at the moment.
About
Cross-platform music production software
lmms.io
Resources
Readme
GPL-2.0 license
Activity
Custom properties
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
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
BranchesTags
Repository files navigation
LMMS Logo LMMS
Build statusLatest stable releaseOverall downloads on GithubJoin the chat at DiscordLocalise on transifex
A soft PR-Freeze is currently underway to prepare for refactoring (#5592). Please do not open non-essential PRs at this time.
What is LMMS?
LMMS is a free cross-platform alternative to commercial programs like
FL Studio®, which allow you to produce music with your computer. This includes
the creation of melodies and beats, the synthesis and mixing of sounds, and
arranging of samples. You can have fun with your MIDI-keyboard and much more;
all in a user-friendly and modern interface.
Homepage
Downloads/Releases
Developer Wiki
Artist & User Wiki/Documentation
Sound Demos
LMMS Sharing Platform Share your songs!
Features
  • Song-Editor for composing songs
  • A Beat+Bassline-Editor for creating beats and basslines
  • An easy-to-use Piano-Roll for editing patterns and melodies
  • An FX mixer with unlimited FX channels and arbitrary number of effects
  • Many powerful instrument and effect-plugins out of the box
  • Full user-defined track-based automation and computer-controlled automation sources
  • Compatible with many standards such as SoundFont2, VST(i), LADSPA, GUS Patches, and full MIDI support
  • MIDI file importing and exporting
Building
See Compiling LMMS on our
wiki for information on how to build LMMS.
Join LMMS-development
If you are interested in LMMS, its programming, artwork, testing, writing demo
songs, (and improving this README...) or something like that, you're welcome
to participate in the development of LMMS!
Information about what you can do and how can be found in the
wiki.
Before coding a new big feature, please alwaysfile an issue for your idea and
suggestions about your feature and about the intended implementation on GitHub,
or ask in one of the tech channels on Discord and wait for replies! Maybe there are different ideas, improvements, or hints, or
maybe your feature is not welcome/needed at the moment.
About
Cross-platform music production software
lmms.io
Resources
Readme
GPL-2.0 license
Activity
Custom properties
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
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
BranchesTags
Repository files navigation
LMMS Logo LMMS
Build statusLatest stable releaseOverall downloads on GithubJoin the chat at DiscordLocalise on transifex
A soft PR-Freeze is currently underway to prepare for refactoring (#5592). Please do not open non-essential PRs at this time.
What is LMMS?
LMMS is a free cross-platform alternative to commercial programs like
FL Studio®, which allow you to produce music with your computer. This includes
the creation of melodies and beats, the synthesis and mixing of sounds, and
arranging of samples. You can have fun with your MIDI-keyboard and much more;
all in a user-friendly and modern interface.
Homepage
Downloads/Releases
Developer Wiki
Artist & User Wiki/Documentation
Sound Demos
LMMS Sharing Platform Share your songs!
Features
  • Song-Editor for composing songs
  • A Beat+Bassline-Editor for creating beats and basslines
  • An easy-to-use Piano-Roll for editing patterns and melodies
  • An FX mixer with unlimited FX channels and arbitrary number of effects
  • Many powerful instrument and effect-plugins out of the box
  • Full user-defined track-based automation and computer-controlled automation sources
  • Compatible with many standards such as SoundFont2, VST(i), LADSPA, GUS Patches, and full MIDI support
  • MIDI file importing and exporting
Building
See Compiling LMMS on our
wiki for information on how to build LMMS.
Join LMMS-development
If you are interested in LMMS, its programming, artwork, testing, writing demo
songs, (and improving this README...) or something like that, you're welcome
to participate in the development of LMMS!
Information about what you can do and how can be found in the
wiki.
Before coding a new big feature, please alwaysfile an issue for your idea and
suggestions about your feature and about the intended implementation on GitHub,
or ask in one of the tech channels on Discord and wait for replies! Maybe there are different ideas, improvements, or hints, or
maybe your feature is not welcome/needed at the moment.
About
Cross-platform music production software
lmms.io
Resources
Readme
GPL-2.0 license
Activity
Custom properties
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
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
BranchesTags
Repository files navigation
LMMS Logo LMMS
Build statusLatest stable releaseOverall downloads on GithubJoin the chat at DiscordLocalise on transifex
A soft PR-Freeze is currently underway to prepare for refactoring (#5592). Please do not open non-essential PRs at this time.
What is LMMS?
LMMS is a free cross-platform alternative to commercial programs like
FL Studio®, which allow you to produce music with your computer. This includes
the creation of melodies and beats, the synthesis and mixing of sounds, and
arranging of samples. You can have fun with your MIDI-keyboard and much more;
all in a user-friendly and modern interface.
Homepage
Downloads/Releases
Developer Wiki
Artist & User Wiki/Documentation
Sound Demos
LMMS Sharing Platform Share your songs!
Features
  • Song-Editor for composing songs
  • A Beat+Bassline-Editor for creating beats and basslines
  • An easy-to-use Piano-Roll for editing patterns and melodies
  • An FX mixer with unlimited FX channels and arbitrary number of effects
  • Many powerful instrument and effect-plugins out of the box
  • Full user-defined track-based automation and computer-controlled automation sources
  • Compatible with many standards such as SoundFont2, VST(i), LADSPA, GUS Patches, and full MIDI support
  • MIDI file importing and exporting
Building
See Compiling LMMS on our
wiki for information on how to build LMMS.
Join LMMS-development
If you are interested in LMMS, its programming, artwork, testing, writing demo
songs, (and improving this README...) or something like that, you're welcome
to participate in the development of LMMS!
Information about what you can do and how can be found in the
wiki.
Before coding a new big feature, please alwaysfile an issue for your idea and
suggestions about your feature and about the intended implementation on GitHub,
or ask in one of the tech channels on Discord and wait for replies! Maybe there are different ideas, improvements, or hints, or
maybe your feature is not welcome/needed at the moment.
About
Cross-platform music production software
lmms.io
Resources
Readme
GPL-2.0 license
Activity
Custom properties
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
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
BranchesTags
Repository files navigation
LMMS Logo LMMS
Build statusLatest stable releaseOverall downloads on GithubJoin the chat at DiscordLocalise on transifex
A soft PR-Freeze is currently underway to prepare for refactoring (#5592). Please do not open non-essential PRs at this time.
What is LMMS?
LMMS is a free cross-platform alternative to commercial programs like
FL Studio®, which allow you to produce music with your computer. This includes
the creation of melodies and beats, the synthesis and mixing of sounds, and
arranging of samples. You can have fun with your MIDI-keyboard and much more;
all in a user-friendly and modern interface.
Homepage
Downloads/Releases
Developer Wiki
Artist & User Wiki/Documentation
Sound Demos
LMMS Sharing Platform Share your songs!
Features
  • Song-Editor for composing songs
  • A Beat+Bassline-Editor for creating beats and basslines
  • An easy-to-use Piano-Roll for editing patterns and melodies
  • An FX mixer with unlimited FX channels and arbitrary number of effects
  • Many powerful instrument and effect-plugins out of the box
  • Full user-defined track-based automation and computer-controlled automation sources
  • Compatible with many standards such as SoundFont2, VST(i), LADSPA, GUS Patches, and full MIDI support
  • MIDI file importing and exporting
Building
See Compiling LMMS on our
wiki for information on how to build LMMS.
Join LMMS-development
If you are interested in LMMS, its programming, artwork, testing, writing demo
songs, (and improving this README...) or something like that, you're welcome
to participate in the development of LMMS!
Information about what you can do and how can be found in the
wiki.
Before coding a new big feature, please alwaysfile an issue for your idea and
suggestions about your feature and about the intended implementation on GitHub,
or ask in one of the tech channels on Discord and wait for replies! Maybe there are different ideas, improvements, or hints, or
maybe your feature is not welcome/needed at the moment.
About
Cross-platform music production software
lmms.io
Resources
Readme
GPL-2.0 license
Activity
Custom properties
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, '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
BranchesTags
Repository files navigation
LMMS Logo LMMS
Build statusLatest stable releaseOverall downloads on GithubJoin the chat at DiscordLocalise on transifex
A soft PR-Freeze is currently underway to prepare for refactoring (#5592). Please do not open non-essential PRs at this time.
What is LMMS?
LMMS is a free cross-platform alternative to commercial programs like
FL Studio®, which allow you to produce music with your computer. This includes
the creation of melodies and beats, the synthesis and mixing of sounds, and
arranging of samples. You can have fun with your MIDI-keyboard and much more;
all in a user-friendly and modern interface.
Homepage
Downloads/Releases
Developer Wiki
Artist & User Wiki/Documentation
Sound Demos
LMMS Sharing Platform Share your songs!
Features
  • Song-Editor for composing songs
  • A Beat+Bassline-Editor for creating beats and basslines
  • An easy-to-use Piano-Roll for editing patterns and melodies
  • An FX mixer with unlimited FX channels and arbitrary number of effects
  • Many powerful instrument and effect-plugins out of the box
  • Full user-defined track-based automation and computer-controlled automation sources
  • Compatible with many standards such as SoundFont2, VST(i), LADSPA, GUS Patches, and full MIDI support
  • MIDI file importing and exporting
Building
See Compiling LMMS on our
wiki for information on how to build LMMS.
Join LMMS-development
If you are interested in LMMS, its programming, artwork, testing, writing demo
songs, (and improving this README...) or something like that, you're welcome
to participate in the development of LMMS!
Information about what you can do and how can be found in the
wiki.
Before coding a new big feature, please alwaysfile an issue for your idea and
suggestions about your feature and about the intended implementation on GitHub,
or ask in one of the tech channels on Discord and wait for replies! Maybe there are different ideas, improvements, or hints, or
maybe your feature is not welcome/needed at the moment.
About
Cross-platform music production software
lmms.io
Resources
Readme
GPL-2.0 license
Activity
Custom properties
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
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
BranchesTags
Repository files navigation
LMMS Logo LMMS
Build statusLatest stable releaseOverall downloads on GithubJoin the chat at DiscordLocalise on transifex
A soft PR-Freeze is currently underway to prepare for refactoring (#5592). Please do not open non-essential PRs at this time.
What is LMMS?
LMMS is a free cross-platform alternative to commercial programs like
FL Studio®, which allow you to produce music with your computer. This includes
the creation of melodies and beats, the synthesis and mixing of sounds, and
arranging of samples. You can have fun with your MIDI-keyboard and much more;
all in a user-friendly and modern interface.
Homepage
Downloads/Releases
Developer Wiki
Artist & User Wiki/Documentation
Sound Demos
LMMS Sharing Platform Share your songs!
Features
  • Song-Editor for composing songs
  • A Beat+Bassline-Editor for creating beats and basslines
  • An easy-to-use Piano-Roll for editing patterns and melodies
  • An FX mixer with unlimited FX channels and arbitrary number of effects
  • Many powerful instrument and effect-plugins out of the box
  • Full user-defined track-based automation and computer-controlled automation sources
  • Compatible with many standards such as SoundFont2, VST(i), LADSPA, GUS Patches, and full MIDI support
  • MIDI file importing and exporting
Building
See Compiling LMMS on our
wiki for information on how to build LMMS.
Join LMMS-development
If you are interested in LMMS, its programming, artwork, testing, writing demo
songs, (and improving this README...) or something like that, you're welcome
to participate in the development of LMMS!
Information about what you can do and how can be found in the
wiki.
Before coding a new big feature, please alwaysfile an issue for your idea and
suggestions about your feature and about the intended implementation on GitHub,
or ask in one of the tech channels on Discord and wait for replies! Maybe there are different ideas, improvements, or hints, or
maybe your feature is not welcome/needed at the moment.
About
Cross-platform music production software
lmms.io
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GPL-2.0 license
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