Open-source alternatives to Brooklyn

Aerial is a macOS screensaver application and background manager that replaces static images with a rotating series of high-resolution aerial cinema shots. It functions as an Apple TV video streamer, fetching and displaying official aerial screensavers originally designed for Apple TV to be used as dynamic backgrounds on a Mac. The project integrates Apple TV content to enable desktop wallpaper customization and dynamic screensaver management. This allows the system to stream high-definition aerial views from remote sources to serve as a living background or an automated screensaver when the

Aura Theme is a comprehensive set of dark color palettes, development environment styles, and digital assets designed to create a unified visual identity across various software targets. It provides a cohesive dark mode system for code editors, terminal emulators, and desktop window managers, complemented by a collection of high-resolution dark wallpapers for desktop and mobile environments. The project includes a theme porting tool and a UI color token system that replace hardcoded hex values with dynamic accent tokens. This framework enables cross-application theme porting, allowing a consi

GitHub-Dark is a browser extension theme and collection of user style sheets designed to provide a comprehensive dark mode aesthetic for the GitHub interface. It functions by injecting custom style rules directly into the browser to override default website colors, fonts, and layout properties, aiming to improve visual comfort and readability during extended use. The project distinguishes itself through its focus on deep integration and visual consistency. It includes specialized support for syntax highlighting across various programming languages and notebook environments, ensuring that code

Catppuccin is a community-driven design framework that provides a standardized collection of four warm, high-contrast color palettes. It functions as a unified theme system designed to ensure visual consistency and harmony across diverse software applications, operating systems, and developer tools. The project utilizes a centralized specification to define color roles, which are then mapped to specific software environments through a distributed porting model. By employing template-based asset generation and declarative style mapping, the system ensures that these color definitions are accur

Rough Notation is a JavaScript annotation and animation library used to draw sketchy, hand-drawn visual marks over web page elements. It functions as a utility for adding organic-looking underlines, boxes, and highlights to HTML elements to create a hand-drawn aesthetic on digital interfaces. The library provides specialized tools for sequencing drawing animations and managing instructional overlays. It supports the creation of hand-drawn circles, brackets, and highlights that can be triggered in a specific order to guide users through a page. The system handles multiline text annotations by

Primer is a CSS design system framework and utility library used to build consistent user interfaces based on a unified visual language. It provides a collection of CSS rules, utility classes, and pre-defined style sheets for styling standard interface elements. The framework implements frontend visual standardization through a shared set of utility classes and design system rules. This allows for the creation of reusable interface elements and the rapid development of web interface layouts. The system utilizes a BEM-based naming convention, design-token mapping, and CSS variable-based themi

The official rendering library for PAG (Portable Animated Graphics) files that renders After Effects animations natively across multiple platforms.

Framework7 is a mobile user interface framework and single-page application system designed to build responsive web applications with native iOS and Android appearances. It provides a comprehensive library of pre-styled components and a layout engine to create native-style user interfaces across multiple platforms. The framework utilizes a platform-aware theming system that adapts visual styles and color schemes based on detected device settings. It incorporates native mobile behaviors through a dedicated UI kit, including specialized interaction patterns such as pull-to-refresh and swipeable

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

Zed is a terminal-based code editor built in Rust that provides a full-featured editing experience with familiar keybindings, mouse support, and multiple cursors. It runs entirely in the terminal while offering capabilities typically found in graphical editors, including split panes, a command palette, and integrated language server protocol support for real-time diagnostics, completions, go-to-definition, and code actions across multiple languages. The editor distinguishes itself through a plugin system that runs sandboxed TypeScript plugins in a QuickJS runtime, with an asynchronous bridge

This project is a CSS color utility library and palette framework designed to standardize the application of colors to text, backgrounds, and borders on the web. It provides a web color style system with predefined classes and defaults to accelerate the visual styling of web prototypes. The system utilizes skin-based color theming, allowing users to swap entire color palettes by changing top-level classes. It employs a utility class system backed by global CSS variable mapping to ensure visual harmony across different UI elements. The framework supports rapid UI prototyping and general web c

This project is a comprehensive productivity guide and configuration reference for the VS Code editor. It provides a curated collection of shortcuts, configuration tips, and tutorials designed to improve efficiency and optimize the daily coding workflow. The resource covers advanced AI-assisted development, including the integration of autonomous agents, custom prompt files, and AI-powered coding assistants for task automation and code generation. It also provides specialized guidance on integrated terminal management, such as configuring shell profiles and automating command execution. Addi

Nord is a cross-platform design palette and CSS color system providing a curated set of dimmed pastel colors for building consistent user interfaces and code themes. It functions as a UI design framework that delivers a standardized collection of colors through multiple file formats for use in development tools and graphic design software. The system is defined by its dual-mode visual theme, which coordinates complementary light and dark color sets to maintain a consistent visual hierarchy across different brightness modes. It also includes a syntax highlighting theme that maps specific palet

shadcn-svelte is a collection of accessible and customizable user interface elements for Svelte applications. Rather than being distributed as a traditional dependency, these components are provided as source code that is copied directly into the project codebase. The library utilizes a registry-based distribution system, allowing users to install specific UI blocks and components via a command-line interface. This system uses JSON metadata to define dependencies and file paths, while a bootstrapping process automates the configuration of styles and CSS variables. The project integrates Tail

Chroma is a syntax highlighter written in Go that converts raw source code into colorized text or HTML. It identifies programming languages and tokens using language-specific lexers to produce highlighted output for various environments. The project utilizes a theme-driven colorization system that decouples token types from final colors through an intermediate style mapping layer. This allows for custom code theming by mapping specific token categories to foreground and background colors. The system covers language identification, terminal text formatting for ANSI-compatible viewers, and web

Carbon is an enterprise design system that provides a comprehensive collection of reusable UI components, design tokens, and guidelines for building professional web applications. It functions as a CSS framework that enforces a unified design language across projects through standardized typography, spacing, and color palettes. The system utilizes a platform-agnostic design token system to maintain visual consistency across different technologies. This includes centralized management of brand colors, motion easing curves, and a curated library of accessible SVG icons. The framework covers a

Dracula Theme is a universal dark color palette and cross-platform theme specification. It provides a standardized set of high-contrast colors designed to implement a unified dark aesthetic across various text editors and terminals. The project is an accessible color scheme that maintains a minimum 4.5:1 contrast ratio to meet global visual accessibility standards. It ensures a cohesive visual experience by synchronizing these colors across different operating systems and developer environments. The system utilizes a centralized color palette and static definitions to maintain consistency. I

This project is a cross-editor theme library and mapper that provides a curated collection of syntax highlighting color schemes. It uses a JSON theme specification to define visual roles and color palettes as immutable data structures, ensuring these definitions remain consistent across different software output targets. The system functions as a declarative style generator, translating abstract color definitions into the specific configuration formats required by various programming environments. By using a template-based approach, it maps a single source of truth for color definitions to mu

This project is a design system component library and adaptive UI framework based on Adobe's Spectrum design system. It provides a collection of accessible React components designed to create consistent user experiences through a standardized set of adaptive and themeable interface elements. The framework features a responsive scale system that automatically optimizes touch targets and component sizing for mobile and desktop contexts. It is built as a tree-shakable library, allowing for the import of only the specific components used to minimize the final JavaScript and CSS bundle size. The

Windows-Auto-Night-Mode is a theme scheduler and system theme controller for Windows that automatically switches the operating system between light and dark modes. It manages these transitions based on specific times of day or solar events, such as sunrise and sunset. The tool functions as a power-aware manager that can adjust theme behavior based on battery status and suppress visual changes during active gaming. It synchronizes multiple visual elements, including wallpapers, accent colors, and mouse cursors, to ensure consistency during theme transitions. The project includes capabilities

Arco Design is a React UI component library and design system framework used to build professional web interfaces. It provides a collection of pre-built visual elements and layouts designed to maintain a consistent design language across applications. The system features a token-based theming engine that utilizes hierarchical design variables and CSS variables to enable granular visual customization. This allows for the modification of global and component-level styles through a dedicated theme editor or loader to align the interface with specific brand identities. The framework supports ent

Pywal is an image-based theme engine and dynamic color scheme generator that extracts dominant colors from images to create coordinated system-wide color palettes. It functions as a cross-application theme synchronizer and terminal color palette manager, updating interface colors and environment configurations in real-time. The system synchronizes generated palettes across third-party software, window managers, and supported hardware, including RGB backlight controllers for keyboards and laptops. It integrates wallpaper management by applying a source image as the system background while simu

This project is a Linux SVG icon theme and a collection of scalable vector assets designed to create a unified visual style across desktop environments. It provides a comprehensive library of images for applications and system folders, alongside a customization suite for adapting icon colors and styles to match various system schemes. The project includes a folder color management system for modifying directory colors globally or individually. It also features a hardcoded icon override tool that replaces absolute-path icons in desktop files and tray areas to maintain theme consistency, extend

This project is a cross-platform UI toolkit and universal UI framework providing a collection of pre-styled interface components for building mobile and web applications. It functions as a mobile design system and themed component library, allowing developers to maintain a cohesive visual language across different screens and devices using a shared codebase. The toolkit centers on a themed component architecture that supports global and component-level style configurations. This enables the definition of colors and property defaults in a central location to ensure consistent branding and a un

This project is an extension for the Eclipse integrated development environment that enables users to modify the visual appearance of their workspace. It functions as a configuration utility that allows for the application and customization of color schemes across both code editors and interface components. The system utilizes a registry-driven approach to override default platform settings, injecting user-defined property values to alter the environment's aesthetic. It employs a translation layer that maps abstract theme definitions to specific UI elements, ensuring that syntax highlighting

Tailwind CSS Typography is a plugin for the Tailwind CSS framework that provides hand-tuned typographic defaults for blocks of vanilla HTML content, such as content from Markdown or a CMS. It applies beautiful prose styles to HTML content using a single class, eliminating the need for custom CSS to style rich text. The plugin distinguishes itself by offering deep customization and control over typography. Users can adjust the overall font size of prose content across five predefined sizes, select from five built-in gray-scale palettes to match a project's color scheme, and seamlessly adapt ty