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 |
|---|---|---|---|
| EdgelessPE/Edgeless Edgeless is a powerful and elegant Windows PE (Preinstallation Environment) tool based on Win10, designed to replace some Windows To Go use… | 61 | 1197 | active |
| rydmike/flex_color_scheme FlexColorScheme is a Flutter package for building sophisticated Material Design color scheme based themes, including Material-3 seeded colo… | 91 | 1196 | stable |
| vague-theme/vague.nvim Vague is a dark, low-contrast, pastel colorscheme for Neovim written in Lua. It supports transparent backgrounds, configurable colors, and … | 80 | 1193 | active |
| logamee/lin-ui Lin UI is a high-quality UI component library built with native WeChat Mini Program syntax, offering buttons, forms, and e-commerce compone… | 23 | 4138 | maintenance |
| xiyaowong/transparent.nvim A Neovim plugin written in Lua that removes all background colors from highlight groups to make the editor transparent. It supports configu… | 68 | 1186 | active |
| dinbtechit/vscode-theme A JetBrains IDE plugin that brings the Visual Studio Code Dark+ and Dark Modern color schemes to IntelliJ, WebStorm, Rider, CLion, PyCharm,… | 95 | 1185 | active |
| johnpapa/vscode-peacock Peacock is a Visual Studio Code extension that subtly changes the color of your VS Code workspace. It helps you quickly identify which edit… | 99 | 1184 | active |
| Solitude Theme Solitude is a feature-rich blog theme for the Hexo static site generator (with a separate native Hugo edition), built with Stylus and offer… | 90 | 1184 | active |
| Doki Theme A VS Code extension providing over 60 cute anime character-based color themes, wallpapers, and stickers. It modifies VS Code's CSS to enabl… | 23 | 1181 | active |
| mgarin/weblaf WebLaF is an open-source Look & Feel and component library for Java Swing desktop applications, written in pure Java. It provides reskinnab… | 23 | 1178 | active |
| Oceanic Next Oceanic Next is a colorscheme plugin for Neovim and Vim 8, inspired by the Oceanic Next theme for Sublime Text. It includes an accompanying… | 49 | 1175 | active |
| vinceliuice/Colloid-icon-theme Colloid is a flat icon theme for Linux desktops with multiple folder color variants and colorscheme options. It installs via a shell script… | 82 | 1171 | active |
| daangn/seed-design SEED is Daangn's unified design system, providing design tokens, styled React components, and cross-platform styles (React, iOS, Android, L… | 95 | 1170 | active |
| alvaromontoro/almond.css Almond.CSS is a class-less CSS stylesheet collection that makes simple semantic HTML websites look nicer without any JavaScript or classes.… | 34 | 1168 | active |
| yousinix/portfolYOU portfolYOU is a Jekyll theme for building personal portfolio and blog websites that works out of the box with GitHub Pages. It provides a m… | 23 | 1168 | active |
| AvaloniaCommunity/Material.Avalonia A customizable Material Design theme library for the AvaloniaUI framework, providing styles for nearly all Avalonia controls plus extra con… | 97 | 1162 | active |
| sellout/emacs-color-theme-solarized An Emacs color theme implementing Ethan Schoonover's Solarized palette, providing light and dark variants with precise CIELAB-based color r… | 34 | 1162 | active |
| Mobilecn-UI/nativecn-ui A shadcn/ui-inspired collection of customizable React Native components with built-in dark mode, CSS variables, and NativeWind/Tailwind sup… | 28 | 1162 | active |
| Gonzalo-D-Sales/obsidian-velocity Velocity is a modern, futuristic theme for the Obsidian note-taking app, built with SCSS and offering polished dark and light color schemes… | 80 | 1161 | active |
| iblh/hexo-theme-material A Material Design theme for the Hexo static site generator, written primarily in CSS. It provides a polished blog layout with Material Desi… | 23 | 4020 | maintenance |
| codedgar/Puppertino Puppertino is a lightweight, modular CSS framework that brings the macOS look and feel to web applications, following Apple's Human Interfa… | 87 | 1157 | active |
| zenbones-theme/zenbones.nvim A collection of contrast-based Vim/Neovim colorschemes that rely on contrast and font variations rather than color for syntax highlighting.… | 79 | 1149 | active |
| Yujonpradhananga/Persona-Quickshell A Persona 3 Reload themed desktop shell theme for Quickshell, designed for the Hyprland Wayland compositor. It provides themed widgets such… | 55 | 1147 | active |
| sahaj-b/ghostty-cursor-shaders A collection of custom GLSL cursor shaders for the Ghostty terminal, providing animated cursor trails (warp, sweep, tail) and pulse/ripple … | 53 | 1134 | active |
| bansal/pattern.css A CSS-only library that fills empty backgrounds with beautiful patterns like checks, grids, dots, and stripes using utility classes. It wei… | 32 | 3923 | maintenance |
| joshuacant/ProjectTitle Project: Title is a UI plugin for KOReader that replaces the default book browser with a polished interface inspired by commercial eReaders… | 82 | 1133 | active |
| Primer Design System Primer is GitHub's design system, and this repository is its CSS implementation written in SCSS and distributed via npm as @primer/css. It … | 95 | 3916 | maintenance |
| AntdUI/AntdUI AntdUI is a WinForms UI control library that brings the Ant Design aesthetic to .NET desktop applications. It renders all controls with pur… | 82 | 1131 | active |
| Rootless Pixel Launcher Rootless Pixel Launcher is a fork of AOSP's Launcher3 that brings the Pixel Launcher experience, including the Google Now feed, Smartspace … | 23 | 3897 | maintenance |
| KyleAMathews/typography.js Typography.js is a JavaScript toolkit that generates harmonious typographic CSS from a simple configuration object, with a theme/plugin eco… | 51 | 3855 | maintenance |
| elax46/custom-brand-icons A custom icon pack plugin for Home Assistant that adds hundreds of brand and device icons (Philips Hue, Xiaomi, IKEA, and more) usable with… | 99 | 1117 | active |
| kayozxo/GNOME-macOS-Tahoe A macOS Tahoe-inspired theme for GNOME desktops, built with CSS for GTK3, GTK4, and GNOME Shell. It includes an interactive installer with … | 80 | 1115 | active |
| somepaulo/MoreWaita MoreWaita is an expanded Adwaita-styled companion icon theme for GNOME Shell that adds icons for popular third-party apps and MIME types. I… | 95 | 1108 | active |
| Xiaokang2022/maliang Maliang is a lightweight Python UI framework built on tkinter where all widgets are drawn on Canvas, enabling modern, themed, custom interf… | 76 | 1107 | active |
| shenliyang/hexo-theme-snippet Snippet is a clean, minimalist theme for the Hexo static site generator, built with native JavaScript and the Less CSS preprocessor. It sup… | 43 | 1102 | active |
| olimorris/onedarkpro.nvim A Neovim colorscheme plugin that brings Atom's iconic One Dark theme to Neovim, with variants like One Light and Vaporwave. It is fully cus… | 95 | 1100 | active |
| React Native Material UI A highly customizable Material Design UI component library for React Native, supporting both iOS and Android. It provides themed, ready-to-… | 23 | 3779 | maintenance |
| passivestar/godot-minimal-theme A minimal custom theme for the Godot game engine editor, distributed as a .tres theme file. It has been ported natively into Godot and is t… | 55 | 3774 | maintenance |
| taroify/taroify Taroify is a Taro React mobile UI component library ported from Vant, sharing the same visual specification and similar APIs. It provides 7… | 95 | 1097 | active |
| Godiesc/firefox-gx A Firefox userChrome CSS theme that replicates the Opera GX browser skin. It is installed by copying a chrome folder and user.js into the F… | 99 | 1096 | active |
| hardpixel/unite-shell Unite is a GNOME Shell extension that tweaks the top panel layout and removes window decorations to make GNOME Shell look like Ubuntu Unity… | 79 | 1093 | active |
| marko-cerovac/material.nvim A Material-inspired colorscheme for NeoVim written in Lua, offering five styles with fast asynchronous highlight loading. It has built-in s… | 60 | 1089 | active |
| tombenner/nui NUI is a drop-in UI kit for iOS that lets developers style UIKit elements using a CSS-like stylesheet with Sass/LESS-style variables. It en… | 23 | 3732 | maintenance |
| cofess/hexo-theme-pure A pure, clean blog theme for the Hexo static site generator, built with CSS and Bootstrap styling. It supports multiple languages, comments… | 45 | 1085 | active |
| bbatsov/zenburn-emacs A port of the popular Zenburn low-contrast color theme to Emacs, built on Emacs 24.1+ built-in theming support. It is distributed via MELPA… | 88 | 1083 | stable |
| shvchk/fallout-grub-theme A Fallout-themed visual theme for the GRUB bootloader, installed via a shell script. It supports many languages and is actively maintained … | 55 | 1074 | active |
| ControlzEx/ControlzEx ControlzEx is a shared library of custom WPF controls and helpers used by projects like MahApps.Metro and Fluent.Ribbon. It provides improv… | 84 | 1072 | active |
| AlexvZyl/nordic.nvim Nordic is a Neovim colorscheme based on Nord, but warmer and darker with a stronger emphasis on the Aurora palette. It supports many plugin… | 62 | 1069 | active |
| be5invis/vscode-custom-css A Visual Studio Code extension that injects custom CSS and JavaScript into the editor's workbench by modifying VS Code's installation files… | 75 | 1067 | active |
| gravity-ui/uikit Gravity UI UIKit is a React component library of over 1000 flexible, production-ready UI components with design tokens, theming, and dark m… | 95 | 1063 | active |
| piharpi/jekyll-klise Klisé is a minimalist Jekyll theme for running a personal site or blog, with light and dark mode support. It ships with SEO optimization, r… | 23 | 1061 | stable |
| tomasr/molokai Molokai is a Vim color scheme ported from the Monokai TextMate theme, featuring a dark gray background. It supports both GUI and 256-color … | 32 | 3625 | maintenance |
| geex-arts/django-jet Django JET is a modern, responsive template that replaces the default Django admin interface with an improved dashboard, themes, and handy … | 44 | 3619 | maintenance |
| ciembor/4bit A web-based terminal color scheme designer that lets users visually craft 16-color terminal palettes. It exports the resulting scheme as co… | 75 | 1055 | active |
| laserpants/qt-material-widgets A C++ library providing Qt widgets that implement Google's Material Design specification for desktop applications. It includes components s… | 32 | 3603 | maintenance |
| anmoljagetia/Flatabulous Flatabulous is a flat GTK desktop theme for Ubuntu and other GNOME/Unity-based Linux systems, based on the Ultra-Flat theme. It is installe… | 23 | 3602 | maintenance |
| favourhong/Awesome-Marp Awesome Marp is a collection of pure-CSS themes and 38+ custom styles for creating presentations with Marp (Markdown Presentations). It pro… | 69 | 1049 | active |
| Vimux/Mainroad Mainroad is a responsive, simple, clean and content-focused Hugo theme based on the MH Magazine lite WordPress theme. It provides configura… | 32 | 1049 | active |
| sainnhe/edge Edge is a clean and elegant color scheme for Vim and Neovim, inspired by Atom One and Material themes. It offers dark and light variants wi… | 57 | 1046 | stable |
| hectahertz/react-native-typography A React Native library providing pixel-perfect, native-looking typographic style collections matching Material Design and Apple's Human Int… | 23 | 3559 | maintenance |
| wintermute-cell/magick.css magick.css is a minimalistic, mostly classless CSS framework in a single file that gives HTML documents an elegant, playfully magical look … | 26 | 1040 | active |
| jarrekk/Jalpc Jalpc is a flexible, lightweight Jekyll theme for building personal websites, portfolios, resumes, and blogs. It renders pages from YAML da… | 23 | 1039 | stable |
| yaoyao-liu/minimal-light Minimal Light is a simple, elegant Jekyll theme designed for academic personal homepages, deployable via GitHub Pages. It supports Markdown… | 61 | 1038 | active |
| bilibili/MagicaSakura MagicaSakura is an Android multi-theme library from Bilibili that supports switching between daily colorful themes and a night theme withou… | 23 | 3529 | maintenance |
| RubyUI RubyUI is a Ruby gem providing a shadcn/ui-inspired library of beautifully designed, accessible, copy-and-paste UI components built on Phle… | 86 | 1035 | active |
| iNKORE-NET/UI.WPF.Modern iNKORE.UI.WPF.Modern (iUWM) is a C# library that brings Fluent 2 (modern Windows 11-style) styles and controls to WPF applications. It lets… | 71 | 1035 | active |
| craftzdog/solarized-osaka.nvim Solarized Osaka is a Solarized-inspired dark colorscheme for Neovim written in Lua. It extends the original 16-color Solarized palette with… | 69 | 1035 | active |
| newmanls/rofi-themes-collection A collection of themes for the Rofi application launcher and window switcher on Linux. It provides ready-made rasi theme files (e.g., round… | 70 | 1034 | active |
| webkul/coolhue coolHue is a curated collection of 60 handpicked CSS gradient palettes and swatches, distributed as a JSON-driven JavaScript library, npm m… | 23 | 3507 | maintenance |
| grapp-dev/stacks Stacks is a set of composable layout components (Box, Stack, Rows, Columns, Inline, Inset, Bleed, FloatBox, Tiles, Grid) for React Native, … | 64 | 1028 | active |
| prayag17/JellySkin JellySkin is a vibrant, minimal CSS theme for the Jellyfin media server web interface, distributed via CDN with a one-line import. It inclu… | 23 | 1028 | active |
| TT-ReBORN/Georgia-ReBORN Georgia-ReBORN is a feature-rich, clean theme for the foobar2000 audio player with full dynamic color theming based on album art. It offers… | 62 | 1026 | active |
| colineckert/obsidian-things An Obsidian theme inspired by the Things 3 task manager app, providing a Things-like color palette and design for Obsidian notes. It suppor… | 83 | 1023 | active |
| shaunsingh/nord.nvim A Neovim colorscheme based on the Nord color palette, written in Lua with TreeSitter and LSP support. It also styles many popular Neovim pl… | 32 | 1021 | stable |
| pocco81/true-zen.nvim A NeoVim plugin written in Lua that provides distraction-free writing via four modes: Ataraxis (zen mode), Minimalist, Narrow, and Focus. I… | 32 | 1018 | stable |
| flazz/vim-colorschemes A large bundled collection of Vim colorschemes harvested from vim.org, installable as a single plugin. It provides hundreds of color scheme… | 32 | 3451 | maintenance |
| winblues/blue95 Blue95 is a Fedora Atomic-based Xfce desktop Linux distribution themed with Chicago95 to evoke a Windows 95-era computing experience. It is… | 63 | 1012 | active |
| yrccondor/mdx MDx is a Material Design WordPress theme written in PHP, offering multiple layout styles, color schemes, night mode, and built-in features … | 23 | 1012 | active |
| Fausto-Korpsvart/Gruvbox-GTK-Theme A GTK theme for Linux desktops based on the Gruvbox colour palette, written in SCSS and styled for GNOME with generic support for Cinnamon,… | 10 | 1008 | active |
| nwg-piotr/nwg-look nwg-look is a GTK3 settings editor designed for wlroots-based Wayland environments like sway. It applies gsettings directly without Xwaylan… | 84 | 1006 | active |
| AnubisNekhet/AnuPpuccin AnuPpuccin is a highly customizable CSS theme for the Obsidian note-taking app, winner of the Best Theme award in Obsidian's Gems of the Ye… | 23 | 3407 | maintenance |
| tomasiser/vim-code-dark A dark colorscheme for Vim and Neovim inspired by Visual Studio Code's Dark+ theme. It fully supports vim-airline and works in GUI, 256-col… | 32 | 1003 | stable |
| dexpota/kitty-themes A collection of color scheme themes for the kitty terminal emulator, ported from the iTerm2-Color-Schemes project. Themes are installed as … | 75 | 3185 | maintenance |
| Wanderson-Magalhaes/Modern_GUI_PyDracula_PySide6_or_PyQt6 PyDracula is a modern dark-themed GUI template built with PySide6/PyQt6 and Python, providing a polished desktop application interface with… | 32 | 3089 | maintenance |
| IgnaceMaes/MaterialSkin A .NET library that applies Google's Material Design theming to Windows Forms applications in C# or VB.NET. It provides themed controls lik… | 32 | 3043 | maintenance |
| ZieIony/Carbon Carbon is a Material Design implementation library for Android 4.0+ that provides real backports of Lollipop features like animated shadows… | 10 | 3026 | maintenance |
| rilyu/teaset Teaset is a UI component library for React Native offering 20+ pure JavaScript (ES6) components focused on content display and action contr… | 23 | 2931 | maintenance |
| fengjundev/Android-Skin-Loader Android-Skin-Loader is an Android library that enables runtime theming (skin switching) by dynamically loading local .skin packages. Views … | 32 | 2912 | maintenance |
| Indigo Theme A Material Design style theme for the Hexo static site generator, built for Hexo 3.0+. It offers card and flat layout branches, built-in st… | 23 | 2797 | maintenance |
| sandoche/Darkmode.js Darkmode.js is a lightweight vanilla JavaScript library that adds a dark-mode/night-mode toggle to any website using CSS mix-blend-mode. It… | 23 | 2772 | maintenance |
| phoenixsky/fun_android_flutter A production-quality open-source Android/iOS client for the WanAndroid website built with Flutter and the Provider state management library… | 23 | 2734 | maintenance |
| egoist/hack hack.css is a dead-simple, markdown-inspired CSS framework offering several themes (markdown, standard, dark, solarized-dark) and a flexbox… | 10 | 2672 | maintenance |
| martenbjork/github-xp A browser extension that restyles GitHub with Windows XP visual flair, including a Clippy-style assistant. It was distributed via the Chrom… | 51 | 2652 | maintenance |
| thinkpixellab/flatland Flatland is a flat UI theme and color scheme for Sublime Text 2 and 3, derived from the Soda theme. It provides a dark editor appearance wi… | 10 | 2652 | maintenance |
| PKM-er/Blue-topaz-example An example Obsidian vault showcasing the Blue Topaz CSS theme, bundled with dozens of preconfigured community plugins and tutorial notes. I… | 23 | 2637 | maintenance |
| kozw/mui Modern UI for WPF (MUI) is a set of controls, styles, and themes that give WPF desktop applications a modern, Metro-style look. It includes… | 10 | 2597 | maintenance |
| Weilbyte/PVEDiscordDark A Discord-inspired dark theme for the Proxmox VE Web UI, installed via a shell script utility on the PVE node. It uses Sass-generated CSS p… | 23 | 2541 | maintenance |
| orderedlist/minimal Minimal is a clean, minimalist theme for GitHub Pages, providing the raw HTML and CSS styles used by the official 'minimal' GitHub Pages th… | 32 | 2474 | maintenance |
| NsCDE/NsCDE NsCDE is a retro-styled desktop environment for Unix-like systems that mimics the classic CDE look while built on FVWM with Python and Shel… | 60 | 2338 | maintenance |
| FolioReader/FolioReader-Android FolioReader-Android is a Java and Kotlin EPUB reader and parser framework for Android apps. It provides an embeddable e-book reading view w… | 23 | 2323 | maintenance |