Open-source theme software
845 open-source libraries, tools and applications tagged theme, ranked by how closely theme is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.
845 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| Moon Jekyll Theme Moon is a minimal, one-column Jekyll theme for static blogs and personal sites. It offers responsive layout, Disqus comments, syntax highli… | 32 | 2262 | maintenance |
| Idean/Flutter-Neumorphic A complete Neumorphic (soft UI) design widget kit for Flutter, providing themed containers, buttons, sliders, toggles, progress bars, and a… | 23 | 2191 | maintenance |
| Naezr/ShyFox ShyFox is a Firefox userChrome CSS theme that hides the entire browser interface into the window border for an ultra-minimal look, with ver… | 26 | 2123 | maintenance |
| olOwOlo/hugo-theme-even A concise, minimal blog theme for the Hugo static site generator, ported from hexo-theme-even. It provides multilingual support, a language… | 23 | 2089 | maintenance |
| cosscom/coss coss.com/ui (formerly Origin UI) is the official design system of Cal.com, a collection of accessible, composable React UI components built… | 67 | 10683 | experimental |
| esofar/cnblogs-theme-silence Silence is a clean, reading-focused theme for the CNBlogs (博客园) blogging platform. It offers responsive design, dark mode, customizable nav… | 23 | 2046 | maintenance |
| rakr/vim-one A Vim/Neovim colorscheme adapting Atom's One Light and One Dark themes, with true color support and graceful fallback. It also includes a m… | 32 | 2032 | maintenance |
| MartinSeeler/iterm2-material-design A color scheme for the iTerm2 terminal emulator on macOS based on Google's Material Design color palette. It ships as an .itermcolors prese… | 32 | 2018 | maintenance |
| keeferrourke/la-capitaine-icon-theme La Capitaine is an SVG-based icon pack for Linux desktop environments, inspired by macOS and Google's Material Design. It ships with a conf… | 23 | 1996 | maintenance |
| JideGuru/FlutterSocialAppUIKit A Flutter implementation of a social media app UI concept, providing a set of polished screens with light and dark theme support. It serves… | 32 | 1983 | maintenance |
| voronianski/oceanic-next-color-scheme Oceanic Next is a color scheme for Sublime Text 2/3 optimized for the babel-sublime JavaScript syntax highlighter. It has also been ported … | 23 | 1976 | maintenance |
| jeffvli/sonixd Sonixd is a cross-platform Electron desktop music player for Subsonic-API and Jellyfin compatible servers, with playlist management, gaples… | 10 | 1910 | maintenance |
| Abdelrhman-AK/WinPaletter WinPaletter is a portable Windows application for deeply customizing the appearance of Windows 7 through 11, including colors, visual style… | 90 | 1895 | maintenance |
| benruehl/adonis-ui Adonis UI is a lightweight UI toolkit for WPF applications that provides styles and templates for built-in WPF controls with a modern, enha… | 23 | 1869 | maintenance |
| migueravila/simplefox A minimalist, keyboard-centered userstyle theme for Firefox built with userChrome.css. It customizes the Firefox UI with commented code and… | 10 | 1865 | maintenance |
| nanotech/jellybeans.vim Jellybeans is a colorful, dark color scheme for the Vim text editor, inspired by ir_black and twilight. It supports graphical Vim as well a… | 32 | 1864 | maintenance |
| shen-yu/hexo-theme-ayer Ayer is a clean, elegant, responsive theme for the Hexo static site generator, built with EJS and Stylus. It offers many configurable featu… | 10 | 1854 | maintenance |
| dhanishgajjar/vscode-icons A collection of custom replacement icons for the Visual Studio Code application, styled after themes like Dracula, Cobalt2, and SynthWave '… | 32 | 1804 | maintenance |
| jamiewilson/predawn Predawn is a dark interface and syntax color theme for code editors, primarily Sublime Text and Atom (with VS Code support noted on the hom… | 23 | 1796 | maintenance |
| pikock/bootstrap-magic Bootstrap Magic is a browser-based generator for creating custom Bootstrap 4 themes with live preview and live HTML/CSS editing. It exposes… | 32 | 1792 | maintenance |
| Meituan-Dianping/beeshell beeshell is a React Native base component library from Meituan-Dianping offering a set of production-quality JS and native-composite compon… | 32 | 1790 | maintenance |
| rktjmp/lush.nvim Lush is a Neovim plugin that aids in creating colorschemes with real-time feedback as you edit, plus color manipulation tools and a structu… | 46 | 1785 | maintenance |
| ayu-theme/ayu-vim ayu-vim is a colorscheme plugin that brings the ayu theme to Vim and Neovim, with dark, light, and mirage variants. It requires true color … | 32 | 1778 | maintenance |
| rxlabz/panache Panache is a browser-based Material Theme editor for Flutter applications. It lets users customize widget colors and shapes visually and ex… | 10 | 1746 | maintenance |
| afonsof/jenkins-material-theme A Material Design CSS theme for Jenkins that restyles the CI server's user interface with a single small CSS file. It supports custom color… | 32 | 1713 | maintenance |
| react-with-styles A React library for using CSS-in-JavaScript with shared theme support without coupling components to a specific CSS-in-JS implementation li… | 32 | 1688 | maintenance |
| dersoncheng/MultipleTheme An Android framework for seamless multiple-theme switching, such as day/night mode, without restarting the app or current activity. It uses… | 32 | 1682 | maintenance |
| KieronQuinn/DarQ DarQ is an Android app that provides a per-app selectable force dark option for Android 10 and above. It uses a root or Shizuku (ADB) servi… | 10 | 1674 | maintenance |
| youknowone/UI7Kit UI7Kit is an Objective-C library that backports the flat-style iOS7 UIKit appearance to iOS5 and iOS6 apps. It can also dynamically patch l… | 10 | 1667 | maintenance |
| jenil/bulmaswatch Bulmaswatch is a collection of free themes for the Bulma CSS framework, inspired by Bootswatch. It provides drop-in stylesheets usable via … | 32 | 1640 | maintenance |
| leggett/simplify Issue tracker repository for Simplify Gmail, a browser extension that simplifies and enhances Gmail's interface. The extension itself is no… | 32 | 1636 | maintenance |
| microsoft/FluentDarkModeKit A Swift library by Microsoft that backports dark mode support to iOS apps running iOS 11 and later, including iOS 13. It enables dynamic th… | 10 | 1614 | maintenance |
| edkolev/tmuxline.vim A Vim plugin that generates tmux statusline configurations, with themes matching vim, vim-airline, or lightline colors. It can snapshot the… | 23 | 1612 | maintenance |
| cascadefox/cascade Cascade is a minimalistic, keyboard-centered userChrome CSS theme for Firefox that removes interface clutter. It is customizable in colors … | 57 | 1607 | maintenance |
| fi3ework/hexo-theme-archer Archer is a modern Hexo blog theme featuring a sidebar for quick archive, tag, and category navigation, inspired by the yilia and huxpro th… | 23 | 1585 | maintenance |
| syndrizzle/hotfiles A collection of personal Linux desktop configuration files (dotfiles) for several window manager 'rices' including BSPWM, FVWM, and Worm ed… | 32 | 1574 | maintenance |
| Cobalt2 Theme Cobalt2 is a refined color scheme and UI theme for Sublime Text based on the original cobalt theme. It styles the full editor interface inc… | 23 | 1561 | maintenance |
| sourcechord/FluentWPF FluentWPF is a C# library that brings Microsoft's Fluent Design System to WPF applications. It provides acrylic window/brush effects, Revea… | 23 | 1534 | maintenance |
| tomislav/osx-terminal.app-colors-solarized A Solarized color theme adapted for the OS X 10.7+ Terminal.app, based on Ethan Schoonover's precision color palette. It provides importabl… | 32 | 1500 | maintenance |
| Snazzy Snazzy is an elegant terminal color scheme with bright colors, available for iTerm2 and the Hyper terminal. It provides a polished, vibrant… | 63 | 1493 | maintenance |
| JackJiang2011/beautyeye BeautyEye is a free, cross-platform Java Swing look-and-feel library that gives Swing applications a modern, polished appearance, drawing o… | 23 | 1490 | maintenance |
| w0ng/vim-hybrid hybrid.vim is a dark color scheme for Vim and gVim that blends palettes from Tomorrow-Night, Codecademy's editor, and Jellybeans. It suppor… | 32 | 1488 | maintenance |
| fossasia/lubuntu-artwork The official artwork package for the Lubuntu Linux distribution, containing wallpapers, themes, and visual branding assets. It provides the… | 32 | 1483 | maintenance |
| chakhsu/pinghsu Pinghsu is a Typecho blog theme built with a focus on front-end performance optimization while balancing design aesthetics and visual commu… | 23 | 1479 | maintenance |
| ku1ik/vim-monokai A Monokai color scheme for Vim, converted from the Textmate theme of the same name. It provides syntax highlighting colors by dropping a si… | 32 | 1464 | maintenance |
| fossasia/sphinx_susiai_theme A Sphinx documentation theme developed by FOSSASIA, providing a custom HTML/CSS look for Python Sphinx-generated docs. It is installed as a… | 32 | 1450 | maintenance |
| rougier/elegant-emacs A minimal, elegant Emacs configuration that uses only vanilla Emacs (no external packages) to provide a consistent, refined look. It is a p… | 32 | 1446 | maintenance |
| jaredrummler/Cyanea Cyanea is a dynamic theme engine for Android apps, written in Kotlin, that lets users change app colors and themes at runtime. It integrate… | 10 | 1442 | maintenance |
| mrcoles/markdown-css A CSS stylesheet (built from LESS) that makes regular HTML render as if it were plain-text markdown, using only CSS with no JavaScript. It … | 32 | 1436 | maintenance |
| purogamer/Fluent-for-Steam Fluent for Steam is a community skin/theme for the Steam desktop client that restyles its interface following Windows 11 Fluent Design prin… | 23 | 1414 | maintenance |
| leopardpan/leopardpan.github.io A responsive Jekyll blog template (based on Vno Jekyll) for building a personal blog hosted on GitHub Pages. It ships with post layouts, ta… | 23 | 1412 | maintenance |
| FlorianWoelki/obsidian-iconize An Obsidian community plugin that lets users add custom SVG icons or icons from predefined icon packs to files, folders, tabs, notes, and t… | 66 | 1409 | maintenance |
| codebygina/mediumish-theme-jekyll Mediumish is a free MIT-licensed Jekyll theme that gives blogs and static sites a Medium-style look. It is a template built on Bootstrap fo… | 23 | 1404 | maintenance |
| hehonghui/Colorful Colorful is an Android library for dynamic theme switching (skinning) based on Android Theme attributes. It enables day/night mode switchin… | 72 | 1400 | maintenance |
| addy-dclxvi/almighty-dotfiles A personal dump repository of Linux desktop configuration files (dotfiles) covering window managers like Openbox, i3, i3-gaps, and Bspwm, a… | 32 | 1386 | maintenance |
| File Icons An Atom editor package that adds file-specific icons to core packages like tree-view, tabs, and fuzzy-finder for improved visual grepping. … | 66 | 1373 | maintenance |
| taitems/Aristo-jQuery-UI-Theme Aristo is a jQuery UI theme ported from the Cappuccino framework's Aristo design, implemented in CSS. It provides a polished, consistent vi… | 32 | 1336 | maintenance |
| Rainglow Rainglow is a collection of 320+ syntax and UI color themes for JetBrains IDEs (PHPStorm, Webstorm, etc.) and other editors like VSCode, cr… | 32 | 1327 | maintenance |
| overdodactyl/ShadowFox ShadowFox is a universal dark theme for Firefox built with userChrome.css and userContent.css, styling the entire browser UI, protected abo… | 32 | 1304 | maintenance |
| donavon/use-dark-mode A custom React Hook that implements dark mode toggling for React applications. It persists the user's preference to localStorage, syncs sta… | 32 | 1282 | maintenance |
| Sing App Sing App is a free, MIT-licensed admin dashboard template built with Bootstrap 4.5 and SCSS, providing a responsive layout with styled comp… | 54 | 1269 | maintenance |
| witalihirsch/qBitTorrent-fluent-theme A Fluent Design theme (dark and light variants) for the qBitTorrent torrent client, styled after Windows 11's WinUI look with optional Mica… | 23 | 1269 | maintenance |
| Moosync Moosync is a customizable, open-source desktop music player built with Electron and Vue that plays local audio files as well as music from … | 10 | 1251 | maintenance |
| keeferrourke/capitaine-cursors Capitaine cursors is an X11 cursor theme inspired by macOS and based on KDE Breeze, with dark and light variants and support for a wide ran… | 23 | 1250 | maintenance |
| jeremyFreeAgent/oh-my-zsh-powerline-theme A Powerline-style theme for the oh-my-zsh shell framework, written in Shell. It provides a customizable prompt with git status, date/time, … | 10 | 1241 | maintenance |
| Jorgen-VikingGod/Qt-Frameless-Window-DarkStyle A Qt5 C++ library providing a frameless MainWindow implementation with a custom dark stylesheet based on the Fusion style, styled after the… | 32 | 1222 | maintenance |
| AlexAkulov/putty-color-themes A collection of color themes for the PuTTY terminal emulator, applied via registry files and a JavaScript helper script. It lets users appl… | 32 | 1214 | maintenance |
| vechai/vechaiui Vechai UI is a collection of accessible React UI components styled with Tailwind CSS, built on top of Headless UI and Radix UI primitives. … | 10 | 1213 | maintenance |
| Numix Theme Numix is a modern flat GTK theme combining light and dark elements, built from SCSS sources. It supports GNOME, Unity, Xfce, Cinnamon, Budg… | 23 | 1201 | maintenance |
| Madelena Home Assistant Dashboard A public, redacted Home Assistant dashboard configuration showcasing two dashboard styles: a dense maximalist control-center layout and a s… | 32 | 1175 | maintenance |
| myxvisual/react-uwp A React component library implementing Microsoft's UWP and Fluent Design System for web applications. It provides themed UI building blocks… | 54 | 1170 | maintenance |
| styled-components A small helper library for styled-components that makes it easy to define multiple themes (e.g. light/dark mode) for React apps. It generat… | 67 | 1168 | maintenance |
| AdisonCavani/distro-grub-themes A collection of GRUB2 bootloader themes for many Linux distributions, replacing the default boot menu look with colorful, distro-branded de… | 52 | 1161 | maintenance |
| Wanderson-Magalhaes/PyOneDark_Qt_Widgets_Modern_GUI A modern dark-themed GUI styling library for PySide6/Qt Widgets applications, providing a polished OneDark-inspired interface theme. It inc… | 32 | 1146 | maintenance |
| Track3/hermit Hermit is a minimal and fast Hugo theme designed for bloggers who want a simple, focused website. It features a single-column layout, light… | 23 | 1145 | maintenance |
| hukl/Smyck-Color-Scheme Smyck is a carefully tuned color scheme for terminals and text editors, including Terminal.app, iTerm2, Vim, MacVim, TextMate, and Sublime … | 32 | 1138 | maintenance |
| 146BC/StyleKit StyleKit is a Swift microframework for styling iOS applications using a simple JSON file. It applies styles via UIAppearance and selector m… | 23 | 1124 | maintenance |
| addy-dclxvi/openbox-theme-collections A collection of Openbox window manager themes (window decorator styles) by addy-dclxvi, including designs like Arc-Clone, Numix-Clone, and … | 74 | 1119 | maintenance |
| neilpa/cmd-colors-solarized A Solarized color scheme port for the Windows command prompt, covering cmd.exe, PowerShell, and Bash on Ubuntu on Windows. It provides regi… | 32 | 1109 | maintenance |
| seebi/tmux-colors-solarized A tmux configuration theme that applies the Solarized color scheme to the tmux terminal multiplexer status bar and colors. It ships several… | 32 | 1101 | maintenance |
| Material Components A family of modular, customizable Material Design UI component libraries for Android (Views), Web, and iOS. The Android Views library is no… | 10 | 1095 | maintenance |
| LeCoupa/vuedarkmode A minimalist dark design system providing Vue.js components styled for dark interfaces. It installs as an npm package usable in Vue 2 and N… | 32 | 1085 | maintenance |
| oskarkrawczyk/honukai-iterm-zsh Honukai is a dark color theme and prompt theme for Oh My ZSH and the iTerm2 terminal on macOS. It provides a zsh theme file and an iTerm co… | 32 | 1081 | maintenance |
| forsigner/fexo Fexo is a minimalist design theme for the Hexo static site generator, written in SCSS. It provides a clean, simple blog layout with documen… | 34 | 1079 | maintenance |
| nathanbuchar/atom-one-dark-terminal A Terminal.app and iTerm2 color theme for macOS that replicates Atom's One Dark (and One Light) syntax theme. It ships as importable theme … | 23 | 1070 | maintenance |
| DennisSnijder/MakeGithubGreatAgain A browser extension for Chrome and Firefox that restores GitHub's classic look by removing the dark topbar and reverting the new color sche… | 23 | 1051 | maintenance |
| xiangsudian/CaoMei CaoMei (Strawberry) Icon is a free, open-source icon library designed for developers and creators, distributed as a CSS stylesheet plus ico… | 23 | 1050 | maintenance |
| spymastermatt/thunderbird-monterail A set of userChrome.css themes for Mozilla Thunderbird inspired by the Monterail email client redesign mockups. It includes five color vari… | 32 | 1047 | maintenance |
| lifepillar/vim-solarized8 A set of optimized Solarized colorschemes for Vim and Neovim, designed to work out of the box with true-color (24-bit) terminals and GUI ve… | 10 | 1043 | maintenance |
| Siumauricio/rippleui RippleUI is a Tailwind CSS plugin providing a collection of pre-styled, reusable UI components such as buttons, modals, forms, and navigati… | 23 | 1042 | maintenance |
| TalksLab/metro-bootstrap metro-bootstrap is a Twitter Bootstrap theme restyled in the Windows Metro (Modern UI) visual style, distributed as compiled CSS and LESS s… | 66 | 1037 | maintenance |
| Jack-Myth/Threshold-Miku Threshold Miku is a Hatsune Miku-themed skin for the Steam client, based on the Threshold Skin, supporting the new Steam library UI. It inc… | 10 | 1036 | maintenance |
| loklak/sphinx_loklak_theme A material design-based Sphinx HTML theme originally built for SUSI AI documentation. It is installed via pip and enabled by setting html_t… | 32 | 1034 | maintenance |
| wuchong/jacman Jacman is a responsive Hexo blog theme based on Pacman, written in CSS/Stylus. It provides configurable widgets, comment systems, analytics… | 23 | 1017 | maintenance |
| reflexjs/reflexjs Reflexjs is a React styling library for rapid UI development using style props, themes, variants, and color modes, based on the System UI s… | 32 | 1016 | maintenance |
| Optixal/neovim-init.vim A hybrid Neovim configuration (init.vim with Lua) bundling popular plugins like treesitter, LSP, nvim-cmp, telescope, lualine, and nvim-tre… | 32 | 1011 | maintenance |
| saitamasahil/Pixel-Launcher-Extended Pixel Launcher Extended is a Magisk module by TeamFiles that enhances the stock Google Pixel Launcher with extra features like 1250+ themed… | 32 | 1006 | maintenance |
| fomalhaut1998/hexo-theme-Fomalhaut An open-source Hexo blog theme based on a heavily customized fork of Butterfly 4.3.1, released as a full site source rather than a cleanly … | 98 | 1005 | maintenance |
| nealyoung/NYSegmentedControl An animated, highly customizable drop-in replacement for UISegmentedControl on iOS, inspired by controls in apps like Instagram and Foursqu… | 32 | 999 | maintenance |
| rozniak/xfce-winxp-tc A Windows XP 'Total Conversion' project for the XFCE desktop environment on Linux, providing pixel-perfect themes, icons, cursors, and cust… | 85 | 2306 | experimental |