Open-source alternatives to Tomorrow Theme

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

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

iTerm2-Color-Schemes is a large library of curated color themes and standardized palettes for iTerm2 and other compatible terminal emulators. It serves as a collection of visual configurations ported from iTerm2 to multiple terminal platforms and integrated development environments. The project provides cross-platform terminal palettes compatible with Windows Terminal, Alacritty, Kitty, and Konsole. These assets enable consistent color schemes and visual synchronization across diverse terminal applications. The repository includes tools and mechanisms for terminal color theme application to

Ayu is a collection of color themes for the VS Code editor. It provides a set of visual interface themes designed to customize the editor's background, foreground, and UI accents. The project features three distinct color schemes: light, dark, and mirage. These variants allow for adaptive switching between different lighting environments to maintain visual comfort. The theme covers syntax highlighting for code elements, interface customization for panels and titlebars, and typography overrides. It also includes a companion library of custom file icons to improve file type recognition and nav

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

tokyonight.nvim is a Lua-based Neovim plugin that provides a collection of dark and light color schemes and UI themes. It defines color palettes and highlight group configurations to manage syntax highlighting and the overall visual aesthetic of the editor. The project enables the export of terminal color palettes to maintain a unified visual style across terminal emulators and other system applications. It also includes mechanisms to match the visual style of third-party extensions to the primary theme for workspace consistency. Users can refine the visual appearance through color palette c

This project is a dark syntax highlighting theme for Vim and Neovim. It provides a set of predefined color definitions and visual styles designed to maintain a consistent dark interface across terminal and graphical environments. The theme includes specific color palettes for terminal emulators and provides integration for editor plugins, such as status lines and version control gutters. It employs terminal capability detection to choose between high-fidelity RGB values and 256-color palettes based on the host environment. Users can modify the visual style through configuration-driven overri

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

kitty-themes is a theme manager and color scheme gallery for the Kitty terminal. It provides a library of predefined hexadecimal color palettes and a tool to browse and apply these visual themes to the terminal interface. The project enables live previewing of different color configurations in a running terminal instance or a separate window before permanently saving changes. It functions as a shell-based configuration tool that injects color variables into configuration files and triggers immediate refreshes via system signals.

Gogh is a command line theme manager and a collection of curated color palettes for various Linux and macOS terminal emulators. It provides a library of configuration files used to synchronize visual styles across different terminal environments. The project includes a terminal accessibility checker to verify that chosen color schemes meet visual contrast and readability standards. It allows for the creation of custom theme definitions using a templating system that maps hex values to text and background colors. The toolset covers terminal emulator customization through a command line interf

iTerm2 is a high-performance terminal emulator designed specifically for macOS. It functions as a programmable environment that supports advanced session management, including tabbed windows, split panes, and persistent state serialization to maintain complex workflows across application restarts. The application distinguishes itself through deep shell integration and extensive automation capabilities. It utilizes a Python-based scripting bridge and a regex-driven trigger engine to allow users to programmatically control the terminal, automate responses to output patterns, and integrate exter

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

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

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

mdui is a framework-agnostic UI library and design system based on Material Design 3 standards. It provides a comprehensive set of reusable interface elements implemented as native Web Components, ensuring compatibility across different JavaScript frameworks. The library features a sophisticated theming system that supports light and dark modes, as well as the ability to generate dynamic color palettes from seed colors or image sources. It distinguishes itself with a high level of flexibility in visual customization, using CSS custom properties to control design tokens such as typography, cor

This project provides a collection of coordinated color themes and visual presets for the tmux terminal multiplexer. It is designed to standardize the interface appearance by styling the status bar and window borders through a set of curated color palettes. The system enables comprehensive interface customization, allowing for the modification of window tabs and the application of visual styles to system metric displays. It includes a management system for switching between distinct visual presets to maintain a consistent aesthetic across the terminal workspace. The project covers the config

Kvaesitso is a search-centric Android launcher that replaces the traditional home screen with a unified search interface for launching apps, searching files, and performing quick actions. Its core identity is built around a search-first model that indexes apps, contacts, files, and external services, supported by a Material Design 3 theming system with custom color palettes and monochrome icon filters for a personalized appearance. The launcher distinguishes itself through an extensible plugin system that adds new data providers for weather, file search, cloud storage, public transport, and t

Nord is a color palette design system and standardized color reference providing curated blue-toned palettes for user interfaces, design software, and environment themes. It defines a UI color scheme consisting of dimmed pastel palettes intended for flat, minimalist aesthetics. The system functions as a cross-platform theme specification to unify the appearance of code editors, shell terminals, and operating system environments. It includes importable color swatches compatible with native formats for use in professional design tools. The project covers cross-application visual standardizatio

Chameleon is a color framework for Swift and Objective-C applications. It provides systems for programmatic color palette generation, global theme orchestration, hexadecimal conversion, and the extraction of visual data from images. The library includes a dynamic theme engine for applying global visual styles and luminance adjustments across an interface. It features a palette generator for creating analogous, complementary, and triadic color schemes based on a seed color, and an image color extractor to derive average colors or palettes from images. The framework covers a range of color man

Firefox-UI-Fix is a collection of CSS stylesheets, style overrides, and a UserChrome framework designed to redefine the layout and appearance of the Firefox web browser. It functions as a browser interface customizer and styling kit that uses CSS injection and DOM overrides to modify the browser shell. The project distinguishes itself by providing deep integration with host operating systems, allowing the browser's window decorations, menus, and themes to match system accent colors and native desktop aesthetics. It includes specialized capabilities for modifying the visual hierarchy of the in

This is a grammar of graphics visualization library used to build charts by mapping tabular data to visual marks. It functions as an SVG data visualization tool and an exploratory data analysis API, allowing users to render complex visualizations and geographic maps. The library features a GeoJSON map renderer that projects spherical coordinates into two-dimensional pixel space and an Apache Arrow visualization interface for high-efficiency data processing. Its capability surface covers data transformation through binning and grouping, visual encoding via automatic scale inference and color

soda-theme is a set of visual interface skins for Sublime Text that provides both dark and light modes. It serves as a customizable color scheme and UI theme for the text editor. The project is optimized for high resolution screens, utilizing high-DPI compatible interface elements to ensure that text and icons remain sharp. The theme allows for the customization of UI appearance and styles, including the modification of tab shapes, folder icons, and color schemes through configuration files.

This project is a collection of themes, layout customizers, and automated installers for Visual Studio Code designed to create a dark-mode workspace aesthetic. It provides a set of dark color palettes and syntax highlighting configurations alongside a CSS UI customizer for modifying the editor's internal interface elements. The toolkit enables a modern visual design characterized by deep dark backgrounds, floating glass-effect panels, and rounded interface geometries. It utilizes custom stylesheets to alter panel radii, gaps, and sidebar margins, while adding interactive animations such as ho

This project serves as a curated directory of resources, tools, and frameworks designed to enhance the functionality and aesthetics of terminal environments. It functions as a comprehensive guide for users seeking to optimize their command-line workflows and personalize their shell experience. The repository provides access to a wide range of utilities for terminal customization, including alternative terminal emulators, color schemes, and visual themes. It also catalogs specialized tools for managing persistent sessions, automating system tasks, and integrating external web services directly

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

theme.sh is a command line utility for previewing, browsing, and applying terminal color palettes instantly. It manages terminal aesthetics through escape sequences, interactive menu selectors, shell startup hooks, and state persistence configuration files. The tool includes capabilities for interactive theme navigation through fuzzy finding tools, brightness-based palette filtering, and external theme imports. It supports automated session persistence by restoring recent color schemes on startup and tracking selection history. Additional functionality covers remote environment styling by s