Open-source alternatives to Firefox UI Fix

This project is a centralized repository and delivery system for branding assets and development environment themes. It serves as a static asset host that provides brand images, logos, and media files via a content delivery network for use by external applications. The project provides an integrated theme and icon pack for editors and terminals, featuring hand-curated color schemes and a custom file icon set mapped to specific extensions and folders. It utilizes a JSON-schema-driven configuration system to apply consistent visual styling and contrast levels across different platforms. Additi

Spacegray is a minimalist UI theme and color scheme for Sublime Text. It provides a stripped-down visual design intended to remove distractions and emphasize the active workspace and code. The theme focuses on a minimalist workspace setup and interface customization, utilizing high-contrast color schemes and curated light and dark palettes for syntax highlighting and editor backgrounds. The project enables layout optimization by adjusting sidebar and tab dimensions to maximize screen space. It allows for the modification of visual styles, including row heights and icon visibility, to reduce

This project is a minimalist visual theme and customizable CSS framework for Obsidian. It functions as a markdown layout engine and an adaptive user interface designed to remove interface clutter and create a distraction-free writing environment. The theme distinguishes itself through layout transformations that convert standard markdown tables and lists into card-based grids and visual galleries. It provides a system for transforming structured data into scannable visual representations and organizes consecutive images into column-based grids. The framework covers comprehensive interface ae

This project is a Vim colorscheme and theme framework that implements the Solarized color palette. It is designed as a precision-engineered set of low-contrast colors to reduce visual fatigue and provide a consistent reading experience within the Vim text editor. The system includes a terminal color adapter that adjusts highlight groups and color mapping based on the specific capabilities of the terminal emulator. It further supports dynamic theme switching, allowing users to swap between light and dark background modes. The framework provides capabilities for UI customization, including the

MusicPlayer2 is a desktop music player for Windows built on the BASS audio engine, designed for high-quality local audio playback with real-time spectrum visualization. It functions as a local music library manager, organizing tracks by artist, album, and genre, while also serving as an online metadata and artwork downloader that fetches lyrics and album covers automatically. The player features a fully customizable interface defined through XML configuration files, and includes a synchronized lyrics display with desktop overlay and karaoke-style highlighting. The player distinguishes itself

React95 is a React UI component library and themed framework designed to emulate the aesthetic of a nineties desktop operating system. It provides a collection of reusable interface elements that allow developers to build web applications with a nostalgic visual style. The library functions as a design system centered on a Windows 95 theme. It utilizes a centralized theme provider to manage global color palettes and styling across the application. The framework covers retro UI development through a set of pre-styled components and themed interface design tools. These capabilities enable the

The United States Web Design System is a government design system and accessible UI framework. It provides a collection of standardized CSS and JavaScript components, along with a CSS component library, specifically designed for building consistent federal government websites. The system allows for custom CSS theme development through the use of design tokens for colors, spacing, and typography. Users can customize visual themes and compile custom styles to maintain a unified brand identity across multiple web properties. The framework covers responsive interface design and web accessibility

Nebular is an Angular UI component library that implements the Eva Design System, providing a comprehensive set of over thirty-five ready-made UI elements with full theming support. The library is built around a design-token-driven architecture where visual properties are compiled into CSS custom properties, enabling global style overrides and consistent branding across applications without modifying component internals. The framework includes a built-in dark mode system activated by toggling a CSS class on the root element, which triggers pre-defined token overrides across all components. Au

django-unfold is a modern theme and UI toolkit for the Django administrative interface. It provides a visual layer designed to customize the backoffice with a modern CSS theme, featuring dark mode support and tools for brand-specific visual customization. The project distinguishes itself through a comprehensive navigation manager that supports hierarchical sidebars and a command palette for jumping between content. It includes a dashboard framework with a custom builder and pre-built layouts for creating data-driven homepages using widgets and charts. The toolkit covers a broad range of admi

This project is a CSS theme for the Firefox web browser designed to integrate its user interface with the GNOME desktop environment. It implements a visual layer that aligns browser elements with the typography, spacing, and overall design language of the GTK system. The theme provides multiple color palettes, including standard dark mode and high-contrast OLED black variants. It also includes system icon integration, allowing the browser to replace internal images with system-level icons to match the host operating system's aesthetics. Beyond color and iconography, the project covers interf

EUI is a React UI component library and design system framework. It provides a collection of reusable, typed interface components and visual guidelines to ensure a unified user experience across web application layouts. The project functions as a themed UI toolkit, enabling the management of visual aesthetics and the ability to toggle between light and dark modes. It incorporates a CSS-in-JS styling library for defining custom styles and rulesets for individual application elements. The framework covers broad capability areas including design system implementation, custom interface styling,

This project is a media player software and digital television receiver designed for rendering a wide variety of audio and video file formats and digital broadcast signals. It functions as a DirectShow media player, providing a video rendering interface for managing output settings and visual quality. The software includes capabilities for digital television tuning, enabling the capture, recording, and playback of live broadcast signals via compatible hardware tuner cards. It also features hardware-accelerated media decoding and internal decoder integration to ensure multi-format playback acr

UserScript is a collection of JavaScript userscripts designed to modify website behavior and appearance. It functions as a system for automating web tasks, modifying page structures, filtering content, and optimizing the retrieval of web assets. The project includes specialized utilities for accelerating file downloads from hosting platforms and enhancing cloud storage interfaces with advanced sorting and direct download options. It also provides tools for web content filtering to remove intrusive elements and keywords, alongside a web automator for handling repetitive site actions like login

Theme-ui is a React theme framework and CSS-in-JS utility used for building themeable user interfaces. It functions as a design system tool that establishes centralized, constraint-based scales for colors, typography, and spacing to ensure visual consistency across applications. The framework distinguishes itself through an array-based responsive shorthand for mobile-first layouts and a dedicated color mode manager that synchronizes with browser preferences and persists user selections. It also features a system for creating named style variants to control component appearance via properties

This project is a React-based administrative template and UI kit designed for building dashboards. It provides a comprehensive collection of pre-styled layouts, an accessible component library, and a Sass-based UI framework for creating administrative interfaces. The template is specifically structured as an AI-optimized project, utilizing coding patterns and organization designed to help AI assistants generate consistent, production-ready React code. It features a flexible styling system using Sass variables and CSS custom properties to support customizable light and dark themes. The kit co

Skeleton is a design system and accessible UI component library built on Tailwind CSS. It provides a collection of pre-built interactive components with built-in accessibility and state management, alongside a CSS custom properties theme engine that enables runtime theme switching and dark mode support. The project distinguishes itself through its adaptive design system approach, using CSS custom properties to create themeable tokens that integrate directly with Tailwind's utility-first framework. This allows developers to build visual design systems with customizable colors, fonts, and aesth

Varlet is a Vue3 material design component library used to build mobile and desktop user interfaces. It provides a collection of standardized components based on Material Design 2 and 3 specifications. The framework functions as a cross-platform UI suite that adapts between mobile touch interactions and desktop environments. It includes a themable component system with customizable design variables and dark mode settings to align interfaces with specific branding. The library supports server-side rendering to improve initial page load speeds and search engine visibility. Additional capabilit

Spectre is a comprehensive CSS framework and UI utility toolkit designed for building responsive web interfaces. It functions as a CSS component library that provides pre-styled interface elements and helper classes to facilitate frontend UI development. The framework is distinguished by a pure-CSS component architecture that avoids dependence on external JavaScript runtimes. It utilizes a SASS-based build pipeline that supports class prefixing, stylesheet pruning, and a variable-based theme system for creating custom design systems. The project covers a wide range of layout and interface ca

Just the Docs is a Jekyll theme designed for building documentation sites that are hosted on GitHub Pages. It provides a responsive, mobile-friendly layout with built-in search, hierarchical navigation, and extensive customization through overridable SCSS variables, Liquid includes, and page layouts. The theme distinguishes itself through a file-based navigation hierarchy that automatically generates multi-level collapsible menus from directory structures and front matter, combined with client-side full-text search that indexes page content at build time. It includes automated deployment via

YTLitePlus is a modified Android application for the YouTube platform that functions as an ad-blocking video player and feature enhancer. It is designed to remove commercial interruptions and unlock playback capabilities typically restricted in the standard mobile interface. The project distinguishes itself by providing a customizable media interface where users can override experiment flags and adjust layout elements. It includes a privacy-focused client that disables tracking parameters and suppresses network permission requests to protect user privacy. The modification covers a wide range

LSPosed is an Android runtime hooking framework and system modification tool. It enables the modification of application and system behavior in memory without altering original installation files, serving as a platform for distributing and managing community-created extension modules. The project provides a comprehensive suite for device and identity spoofing, including the ability to mask hardware identifiers, simulate geographic locations, and conceal root access or hooking frameworks to bypass security and integrity checks. It also functions as an application modder to unlock premium featu

Supermium is a Chromium-based web browser backported to run on legacy versions of Windows. It uses an abstraction layer to adapt modern engine requirements, enabling contemporary web browsing on older operating systems that lack native support for current Chromium versions. The project integrates content decryption modules to allow the playback of DRM-protected media streams on unsupported platforms. It also features the ability to disable machine-specific encryption, allowing user profiles to be portable across different hardware installations. The browser includes a functional sandbox to i

This project is a responsive portfolio website template designed to showcase professional background information and skills. It provides a structured layout that automatically adapts to various screen sizes, ensuring a consistent viewing experience across mobile, tablet, and desktop devices. The template distinguishes itself through a mobile-first design architecture that prioritizes small-screen performance before scaling content for larger displays. It includes a built-in theme-switching component that allows users to toggle between light and dark color schemes, as well as a smooth scrollin

Celluloid is a graphical frontend for the media engine that provides a native interface for playing local and network media files. Built using the toolkit for desktop environments, it functions as a controller that delegates audio and video decoding, rendering, and playback management to an underlying media process. The application is designed for native execution on modern display servers, ensuring high-performance output without reliance on legacy compatibility layers. It maintains a clean interface while offering deep integration with the system shell, allowing for the broadcasting of play

This project is a collection of browser automation scripts and user interface customization tools designed for cloud storage link extraction and batch file download management. Its primary purpose is to retrieve direct download URLs from cloud storage providers to bypass web restrictions and enable external downloads. The tool integrates with external download managers by forwarding extracted links via HTTP requests or JSON-RPC. It automates the detection of storage links and extraction codes on webpages to facilitate the simultaneous collection of multiple file URLs. Beyond link extraction,

Chameleon is a color framework for Swift and Objective-C applications, providing a toolkit for managing dynamic palettes, gradient libraries, and hexadecimal conversions. It functions as a system for creating harmonious color schemes and calculating contrasting text colors based on background luminance. The project includes an image color extractor that analyzes images to generate matching color schemes or calculate average colors for user interfaces. It also features a gradient color library for creating and applying smooth transitions to backgrounds and text elements. The framework covers

kanagawa.nvim is a Lua-based colorscheme for NeoVim that provides a high-contrast visual theme based on a traditional Japanese art color palette. It functions as a comprehensive styling system for the editor, applying semantic syntax highlighting to code structures and plugins. The project features a system for switching between different lighting variants, such as warm, deep dark, and light modes. It includes utilities for customizing specific palette colors and highlight groups, as well as the ability to export color definitions to external terminal emulators and shells for cross-applicatio