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── 99240 repos indexed ── | filtered by tag: theme
MahApps/MahApps.Metro ★ 9834 2422 APPLICATION

MahApps.Metro is a mature WPF UI library that provides a comprehensive set of custom controls, styles, themes, and helpers for building modern desktop applications with a Metro/Windows 10/WinUI aesthetic. The library offers over 30 custom controls including HamburgerMenu, ContentDialog, InfoBar, RangeSlider, NumericUpDown, ColorPicker, AutoSuggestBox, SplitView, and a full dialog system with login, input, message, and progress dialogs. It ships with three visual style sets (Metro, Win10, WinUI) and integrates deeply with the ControlzEx theming framework for runtime theme switching. The architecture is a standard .NET library with a large public API surface exposed via dependency properties, attached properties, custom behaviors, converters, and automation peers. The codebase is heavily tested (350+ NUnit tests) with a custom WindowTestFixture for UI integration tests. Sample applications (MahApps.Metro.Gallery, MahApps.Metro.Demo) demonstrate real-world usage, and project templates (dotnet new) provide scaffolding for new apps. The library also includes project templates (MahAppsMetroApp, MahAppsMetroMvvmApp, MahAppsMetroNavApp) and a Visual Studio manifest. Despite its age and large API surface, the library remains actively maintained with recent commits, issue triage, and support for .NET 6-10. Technical drift is moderate: some obsolete code (ClipBorder) and Win32 P/Invoke are present, and the three style sets must be kept in sync. The test suite is comprehensive but pixel-level and resource-key-dependent, making it somewhat brittle. Overall, this is a high-quality, production-tested UI library with strong architectural patterns and reusable components.

RATING: 9.2/10 MAINT: active DRIFT: medium
▸ 7 reusable components found
lepoco/wpfui ★ 9686 1002 APPLICATION

This repository is a comprehensive WPF UI library (WPF-UI) that implements Microsoft's Fluent Design System for Windows Presentation Foundation. It provides over 70 custom controls (NavigationView, ContentDialog, Snackbar, TitleBar, NumberBox, ToggleSwitch, etc.), a full theme management system with dynamic light/dark/high-contrast switching, Win32 interop for modern window chrome and taskbar integration, and a navigation framework with DI support. The library is distributed via NuGet and includes Visual Studio project templates. The codebase is well-structured with a folder-per-control pattern, partial classes for separation of concerns, and extensive use of dependency properties, routed events, and attached behaviors. The core library targets .NET 10/9/8 and .NET Framework 4.6.2–4.8.1, with abstractions targeting .NET Standard 2.0/2.1 for maximum compatibility. The repository also contains a comprehensive demo application (Wpf.Ui.Gallery) that showcases all controls with MVVM (CommunityToolkit.Mvvm), localization, and an embedded Monaco Editor for live code samples. Integration tests using FlaUI and unit tests for animations and symbol extensions are present. The architecture is documented with C4 diagrams and ADRs. The library is actively maintained with frequent commits, CI/CD via GitHub Actions, and responsive issue triage. While the codebase is generally high-quality, there are some work-in-progress controls (TreeGrid), deprecated APIs in ContentDialog, and vendored third-party assets (Monaco Editor) that introduce minor maintenance risks. Overall, this is a strong, production-ready UI library with clean abstractions and several reusable patterns.

RATING: 9.2/10 MAINT: active DRIFT: low
▸ 5 reusable components found
fluid-dev/hexo-theme-fluid ★ 8170 1143 APPLICATION

This is a Material Design theme for Hexo, a static site generator. The theme provides a complete frontend solution for Hexo-powered blogs, featuring responsive design, dark mode support, multiple comment system integrations, lazy loading, and client-side search. It follows a modular architecture with EJS templates for layout organization, Stylus for CSS preprocessing, and JavaScript for interactive features. The theme is highly configurable through _config.yml and supports extensive customization via custom CSS/JS.

RATING: 9.2/10 MAINT: active DRIFT: low
▸ 4 reusable components found
jerryc127/hexo-theme-butterfly ★ 8364 1397 APPLICATION

hexo-theme-butterfly is a feature-rich, card-based UI theme for the Hexo static site generator. It is not a standalone application but a theme package that integrates deeply with Hexo's extension APIs: Pug templates for layouts, Stylus stylesheets for the visual system, vanilla JavaScript for client-side interactions, and Node.js scripts that register tag plugins, helpers, filters, and event handlers to enrich content generation. Its production role is to transform raw Markdown posts and site configuration into a polished, interactive blog front-end complete with comments, search, analytics, dark mode, Pjax navigation, code syntax highlighting, and various content widgets such as tags, archives, series, and related posts. The architecture is configuration-driven, with a large default config object that users can override, and it relies on a centralized asset manifest (plugins.yml) to load third-party CSS/JS from CDNs. It also supports multi-language i18n through YAML language files and provides numerous optional integrations (Disqus, Gitalk, Waline, Twikoo, Algolia, Google Analytics, etc.) behind conditional Pug includes. While the repository is a theme, it demonstrates reusable engineering patterns in its utility libraries, CSS mixins, and Hexo plugin design, making it useful as a reference for static-site theme development. There are no data science or research components; this is purely an application/theme repository.

RATING: 9.1/10 MAINT: active DRIFT: low
▸ 2 reusable components found
squidfunk/mkdocs-material ★ 27277 4132 APPLICATION

Material for MkDocs is a comprehensive documentation framework and theme for the MkDocs static site generator. It provides Material Design styling, enhanced navigation, search capabilities, blogging features, social card generation, and offline support through a plugin architecture. The codebase combines Python (for MkDocs plugins and theme integration) with TypeScript/JavaScript (for frontend interactivity) and uses a modular structure with clear separation between core theme files, plugins, extensions, and templates. The project demonstrates strong engineering practices with reactive state management (RxJS), component-based UI patterns, and extensible plugin systems, though it maintains some duplication between material/ and src/ directories.

RATING: 9.0/10 MAINT: maintained DRIFT: low
▸ 3 reusable components found
mbadolato/iTerm2-Color-Schemes ★ 27249 6510 DATA_RESEARCH

This repository is a curated collection of over 300 terminal color schemes (themes) and a comprehensive conversion toolchain that transforms a single source of truth (YAML + iTerm2 plist files) into configuration files for more than 20 terminal emulators, including Alacritty, Kitty, Windows Terminal, Xresources, Konsole, and many others. The core converter `tools/gen.py` reads source color data, applies WCAG contrast adjustments, and uses Jinja2 templates to generate output files. The repository also includes a terminal-based theme previewer, automated screenshot generation, and WCAG accessibility checks. It is a hybrid project: primarily a data collection with an ETL pipeline for multi-format export, but also contains application-level tools for preview and quality assurance. The codebase is well-organized, with reusable color science utilities (sRGB/P3 conversion, luminance, contrast ratio) and a template-driven generation architecture that can be adapted for other multi-format rendering tasks.

RATING: 8.9/10 REPRO: 8.5/10 MAINT: active DRIFT: low
▸ 5 reusable components found
fyne-io/fyne ★ 28721 1555 APPLICATION

Fyne is a cross-platform GUI toolkit for the Go programming language, designed to build native desktop, mobile, and web applications from a single codebase. The repository contains the core framework including window management, event handling, a rich set of widgets (button, label, entry, list, table, tree, etc.), canvas primitives (lines, rectangles, arcs, text), layout managers, data binding, theming, storage abstraction, and platform-specific drivers (GLFW for desktop, mobile for Android/iOS, WebAssembly, and an embedded/no-OS driver). It also provides a command-line tool (`cmd/fyne`) for packaging, bundling resources, and releasing applications. The architecture is modular with clear interfaces (`fyne.App`, `fyne.Window`, `fyne.Widget`, `fyne.Canvas`) and extensive use of build tags for platform adaptation. The codebase is production-grade, well-tested with both unit and visual regression tests, and actively maintained by the Fyne community.

RATING: 8.8/10 MAINT: active DRIFT: low
▸ 9 reusable components found
satnaing/astro-paper ★ 5016 1089 APPLICATION

AstroPaper is a minimal, responsive, accessible and SEO-friendly Astro blog theme/template. It provides a complete blogging platform with features like light/dark mode toggle, dynamic OG image generation, static search with Pagefind, RSS/sitemap generation, tag and archive pages, and internationalization support. Built with Astro v6, Tailwind CSS v4, and TypeScript, it follows modern web development practices with a component-based architecture. The theme separates concerns effectively: configurations in astro-paper.config.ts, resolved settings in src/config.ts, UI components in src/components/, layouts in src/layouts/, pages in src/pages/, and content in src/content/. It handles complex edge cases like Unicode slugification, timezone-aware date formatting, and view transition compatibility with thoughtful, reusable utilities.

RATING: 8.8/10 MAINT: active DRIFT: low
▸ 3 reusable components found
godotengine/godot-syntax-themes ★ 497 59 DATA_RESEARCH

This repository is a collection of syntax theme files (.tet) for the Godot 4.x script editor. It provides 37 distinct themes, including popular variants like Dracula, Monokai, Catppuccin, and others, each defining color schemes for syntax highlighting, UI elements, and editor features. The themes are standalone data files that users can install by copying to Godot's theme directory. There is no application logic, data processing, or code execution—the value lies in the curated color definitions. The repository includes basic metadata (README, license, theme previews) and uses pre-commit hooks for code quality (whitespace fixes).

RATING: 8.8/10 REPRO: 8.0/10 MAINT: active DRIFT: low
▸ 1 reusable components found
colineckert/obsidian-things ★ 1021 81 APPLICATION

This repository is a CSS theme for the Obsidian note-taking application, designed to replicate the visual aesthetic of the Things 3 task manager. The codebase consists of a single `theme.css` file that overrides Obsidian's default styling using CSS custom properties, class overrides, and media queries. It provides both light and dark color schemes, custom checkbox icons via CSS mask images, progress bar coloring based on percentage, and extensive integration with community plugins like Kanban, Calendar, Todoist, and Checklist. The theme also includes a comprehensive set of user-customizable settings exposed through the Style Settings plugin. This is a pure presentation layer with no application logic, data processing, or dependencies beyond Obsidian itself.

RATING: 8.7/10 MAINT: active DRIFT: low
▸ 2 reusable components found
ohmyzsh/ohmyzsh ★ 190022 28100 APPLICATION

Oh My Zsh is a community-driven framework for managing Zsh shell configuration. It consists of a core library (lib/), over 200 plugins providing aliases, functions, and completions for development tools and workflows, and over 100 prompt themes. The system is loaded by sourcing oh-my-zsh.sh, which initializes libraries, plugins, custom configurations, and the chosen theme. Plugins follow a consistent structure and many generate completions asynchronously. The repository also includes install/update/uninstall tooling and CI automation for dependency updates. While the vast majority of files are simple aliases or READMEs, several components exhibit high craftsmanship—notably the emoji definitions (auto-generated from Unicode data), the git prompt library (lib/git.zsh) with async support and security patches, the Zsh Navigation Tools (plugins/zsh-navigation-tools) providing full-screen interactive widgets, and the dependency updater script. Some content is stale (outdated completions for rustc, scala, yarn v1, docker-compose v1) and there is a long tail of low-effort plugins, but the core framework is well-maintained and actively developed.

RATING: 8.4/10 MAINT: active DRIFT: medium
▸ 6 reusable components found
irihitech/Semi.Avalonia ★ 1940 165 APPLICATION

Semi.Avalonia is a comprehensive Avalonia UI theme library inspired by Semi Design, delivered as multiple NuGet packages. It provides a complete set of styled controls (buttons, text boxes, data grids, color pickers, etc.) with Light, Dark, and High Contrast themes, plus localization in 16 languages. The architecture follows Avalonia's resource dictionary and control theme patterns: each control has shared, light, dark, and high contrast XAML files that define visual states, triggers, and animations. A central `SemiTheme` class orchestrates theme swapping and locale selection via merged resource dictionaries. The repository also includes a demo application for desktop, Web, Android, and Lixux DRM platforms. The theming system is built on a well-structured token system using `Variables.axaml` and color palette files (e.g., `Light.axaml`, `Dark.axaml`) that define design tokens like spacing, border radii, and semantic colors. Control themes extensively use `DynamicResource` references, enabling runtime theme switching. The color picker extension (`Semi.Avalonia.ColorPicker`) is a notable sub-system with spectrum, palette, and component tabs supporting RGBA and HSVA models. Animations (e.g., `SemiPopupAnimations`) and custom converters (e.g., `PositionToAngleConverter`) add polish. The demo application is an MVVM-based showcase that exercises all controls and provides installation instructions. The CI/CD pipeline builds and publishes NuGet packages and cross-platform demos. Overall, this is a production-quality theming library with good mainainability, though some duplication between variant themes and a large icon file present potential maintenance costs.

RATING: 8.3/10 MAINT: active DRIFT: low
▸ 3 reusable components found
StylishThemes/GitHub-Dark ★ 9988 640 APPLICATION

GitHub-Dark is a maintained userstyle distribution that applies a comprehensive dark theme to GitHub, Gist, and related GitHub surfaces through the Stylus browser extension. Its primary artifact is github-dark.user.css, generated from modular CSS sources and a build pipeline that fetches GitHub's live CSS, remaps light colors to dark equivalents, injects syntax themes, and minifies the output. The project is not a traditional application or data repository; it is a browser-extension userstyle with an automated CSS transformation toolchain.

RATING: 8.2/10 MAINT: active DRIFT: low
▸ 3 reusable components found
evannotfound/hexo-theme-redefine ★ 1966 196 APPLICATION

This repository is the Redefine theme for Hexo, a static site generator. It provides a complete, feature-rich blogging theme with a focus on speed, simplicity, and extensibility. The architecture follows Hexo's plugin model: EJS templates for layout, Stylus and Tailwind CSS for styling, and modular JavaScript for client-side interactivity. Key features include multiple comment system integrations (Waline, Gitalk, Twikoo, Giscus, etc.), local search, image viewer, masonry gallery, page transitions via Swup, light/dark mode, code block highlighting with multiple themes, and various custom tag plugins (buttons, callouts, tabs, folding). The theme is published on npm and actively maintained with a comprehensive CI/CD pipeline for building, testing previews, and deploying to production. There is a well-structured deprecation system to guide users through configuration migrations. However, the codebase lacks automated tests and some third-party dependencies (e.g., moment.js, Waline) may face version drift. Overall, it is a solid, professionally developed theme with high attention to detail and user experience.

RATING: 8.2/10 MAINT: active DRIFT: medium
▸ 2 reusable components found
hugo-next/hugo-theme-next ★ 301 56 APPLICATION

Hugo NexT is a high-quality, elegant Hugo theme ported from the popular Hexo NexT theme. It provides a classic blog layout with four distinct schemes (Muse, Mist, Pisces, Gemini), dark mode support, and extensive customization options. The theme integrates multiple comment systems (Waline, Giscus, Utterances, etc.), search engines (Algolia, local), analytics (51La, Baidu, Google, Busuanzi), and sharing services. It features responsive design, i18n for multiple languages, and a rich set of shortcodes for notes, quotes, bilibili videos, music players, and mermaid diagrams. The architecture follows Hugo's template hierarchy with well-organized partials, shortcodes, and render hooks, making it easy to extend and maintain. The codebase demonstrates strong craftsmanship with clean SCSS organization, modular JavaScript, and comprehensive configuration options.

RATING: 8.2/10 MAINT: active DRIFT: low
▸ 5 reusable components found
craftzdog/solarized-osaka.nvim ★ 1030 66 APPLICATION

Solarized Osaka is a Neovim colorscheme plugin that implements a Solarized-inspired dark and light theme with extended colors for modern Neovim features and plugin support. The codebase is a monolithic Lua plugin with entry points in `colors/solarized-osaka.lua` and `lua/solarized-osaka/init.lua`. It works by defining a color palette via HSL/HPLUV color space conversions, then generating Neovim highlight groups and optionally producing theme files for external applications (terminals, tmux, fish, etc.) via a template system. The architecture is clean: a config module merges user options, a colors module computes the palette, groups modules define highlight groups per plugin, and a theme module applies them. The plugin has no runtime dependencies beyond Neovim 0.7.2+. Notably, the repository includes standalone implementations of HSL and HSLuv color space conversions (hsl.lua, hsluv.lua) and a utility function for perceptually brightening colors (util.brighten). These components are reusable in other Lua projects. The extras generation system is also well-structured, though tightly coupled to the theme.

RATING: 8.1/10 MAINT: maintained DRIFT: low
▸ 2 reusable components found
catppuccin/vscode-icons ★ 1022 83 APPLICATION

This repository is a Visual Studio Code extension that provides a comprehensive file and folder icon theme using the Catppuccin pastel color palette. It offers icons for over 300 file types and numerous folder types, split across four flavor variants (Latte, Frappé, Macchiato, Mocha). The extension is built with TypeScript and modern tooling (tsup, pnpm, eslint), featuring a modular architecture with separate concerns for configuration, icon compilation, theme generation, and build scripts. Users can customize settings such as monochrome mode, specific folder icons, and custom associations via VS Code settings. The codebase is well-structured, actively maintained, and includes CI/CD pipelines, integrity checks, and preview generation scripts.

RATING: 8.1/10 MAINT: active DRIFT: low
▸ 2 reusable components found
lscambo13/ElegantFin ★ 2111 127 APPLICATION

ElegantFin is a comprehensive CSS theme for the Jellyfin media server, providing a modern, dark UI overhaul inspired by Jellyseerr. It is delivered as a single CSS import and relies entirely on CSS custom properties (design tokens) for customization, allowing users to adjust colors, layout, and visibility toggles. The theme is built with PostCSS and includes optional add-on stylesheets for custom media covers and third-party plugin support. The codebase consists of versioned, monolithic CSS files that override Jellyfin's default styling across desktop, mobile, and TV layouts. It is not an application backend or data pipeline; it is a pure client-side presentation layer. The theme demonstrates strong CSS craftsmanship through extensive use of modern selectors (`:has()`, `@container`, `@supports`), responsive card grids, and design token abstraction, though it suffers from duplication across versions and reliance on external CDN resources.

RATING: 8.0/10 MAINT: active DRIFT: medium
▸ 2 reusable components found
navarasu/onedark.nvim ★ 2009 179 APPLICATION

onedark.nvim is a Neovim 0.9+ colorscheme plugin implementing the Atom One Dark and One Light themes with Lua and TreeSitter support. The codebase provides 8 theme styles (dark, darker, cool, deep, warm, warmer, light), comprehensive TreeSitter highlight definitions (modern @-prefixed captures), LSP semantic token integration, and support for over 24 plugins (nvim-cmp, telescope, lualine, indent-blankline, etc.). It includes a robust test suite with automated highlight group verification and manual visual testing files. The architecture is modular: palette.lua defines raw color values per style, colors.lua selects and merges with user overrides, highlights.lua maps groups to colors with configurable code styles (italic, bold), and init.lua handles setup/loading/toggling. The utility module provides reusable color blending functions. The repository is actively maintained with frequent releases, detailed changelogs, and responsive issue triage. While primarily a Neovim plugin, its color handling and test patterns could inspire similar theme implementations.

RATING: 8.0/10 MAINT: active DRIFT: low
▸ 3 reusable components found
CTalvio/Ultrachromic ★ 994 60 APPLICATION

Ultrachromic is a CSS theme for the Jellyfin media server that provides a modular system of CSS overrides to customize the appearance of the Jellyfin web interface. It consists of multiple CSS files that can be imported in a specific order to build a theme, including base styling, accent colors, rounding, progress bars, and various visual effects. The theme uses CSS variables for easy customization and includes presets that replicate the appearance of older chromic themes. It demonstrates good use of modern CSS features such as CSS variables, animations, backdrop-filter, and media queries.

RATING: 8.0/10 MAINT: maintained DRIFT: low
▸ 2 reusable components found
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