Open-source alternatives to Vadimdemedes Ink

This framework provides a functional architecture for building interactive command-line applications. It utilizes a reactive runtime engine that synchronizes application state, user input, and visual output through a central event-driven message loop. By employing a unidirectional data flow pattern, the framework separates the definition of application state from the logic that processes updates and the declarative rendering process that transforms state into terminal-ready output. The framework distinguishes itself through its approach to side-effect management and terminal environment adapt

FTXUI is a C++ terminal user interface library and cross-platform console framework used for building interactive command line applications. It functions as a declarative terminal layout engine and a component-based UI toolkit that enables the creation of responsive interfaces. The library is distinguished by its terminal graphics and animation capabilities, allowing for the rendering of custom shapes, data plots, and smooth visual transitions using easing functions. It provides a comprehensive set of interactive widgets and a layout system utilizing flexbox and grid containers that adapt to

Spectre.Console is a .NET framework designed for building structured, feature-rich command-line applications. It provides a comprehensive toolkit for managing complex command hierarchies, type-safe argument parsing, and dependency injection, allowing developers to decouple business logic from input processing while maintaining modular application designs. The framework distinguishes itself through a sophisticated terminal user interface toolkit that enables the creation of dynamic, interactive console experiences. It utilizes a markup-based rendering system to display styled text, tables, cha

gocui is a console user interface library for the Go programming language. It provides a toolkit for building interactive terminal applications using a layout engine that organizes overlapping rectangular views and coordinates. The library features a terminal input handler to capture and map keyboard shortcuts and mouse events to specific application actions. It includes an ANSI escape sequence parser to manage text attributes, colors, and cursor positioning. The framework covers interface view management and overlapping window layering, allowing for a structured arrangement of content. Rend

This project is a Python terminal user interface library and toolkit designed for building interactive command-line applications. It provides a terminal input manager and a widget toolkit for rendering dashboards, menus, and editors within a terminal emulator. The library enables the creation of full-screen terminal interfaces and interactive shells. It distinguishes itself with advanced input handling, including lexer-based syntax highlighting for visual feedback on code structure and support for industry-standard keyboard navigation modes such as Emacs and Vi. The capability surface covers

Cursive is a cross-platform terminal user interface toolkit and framework for building interactive applications in Rust. It provides a modular system for creating text-based graphical interfaces, utilizing a dedicated engine to manage the main display loop and view hierarchies. The toolkit features a backend-agnostic abstraction layer to ensure consistent rendering and input handling across different operating systems. It distinguishes itself through a palette-based theme engine that supports runtime theme loading and true color rendering, as well as the ability to generate user interface hie

Opentui is a terminal user interface framework for building interactive command line applications. It provides a component-based system featuring a flexbox layout engine, a virtual node component tree, and a low-level 2D cell array renderer. The project is distinguished by a sophisticated keyboard binding engine that maps complex multi-stroke sequences and chords to named commands using prioritized, reactive layers. It also implements a plugin architecture that allows external modules to inject custom UI components into designated layout slots and extend input logic at runtime. Its capabilit

Asciimatics is a cross-platform terminal user interface framework and console wrapper. It functions as a curses-compatible library providing a toolkit for building interactive text-based applications, an ASCII art generator, and a terminal animation engine. The project distinguishes itself through a visual effects engine capable of rendering sprites, particle systems, and anti-aliased lines. It includes specialized systems for creating moving text-based graphics and tools for converting image files into character-based representations. The framework covers core terminal management including

go-prompt is a library for building interactive command-line interfaces in Go. It serves as a cross-platform console UI framework and terminal input manager, providing the tools necessary to capture user input and execute commands through a persistent interactive loop. The library features a dedicated auto-completion engine that provides real-time command suggestions. It also supports dynamic prompt prefixes updated via callback functions and a system for managing and recalling command history. The framework covers a broad range of terminal capabilities, including keyboard shortcut mapping,

Terminal.Gui is a cross-platform .NET toolkit for building interactive text-based user interfaces. It provides a component-based architecture, a terminal rendering engine, and a declarative layout system to create console applications that run consistently across Windows, macOS, and Linux. The framework distinguishes itself with a comprehensive set of interactive console widgets, including data grids, hex editors, and hierarchical tree components. It supports advanced visual capabilities such as 24-bit True Color, Sixel image support, and a relative-coordinate layout system that adapts to ter

Textual is a Python TUI framework and asynchronous UI library used to build interactive text user interfaces. It provides a component-based architecture for creating cross-platform applications that run in both terminal and web browser environments. The framework distinguishes itself by utilizing a CSS-based layout engine to apply visual styles to widgets and a command palette interface for discovering and executing application functions. It also supports hosting terminal-based interfaces on the web to enable remote access via a standard browser. The toolkit covers a broad range of capabilit

Termui is a Go terminal user interface library used for building interactive dashboards and visual layouts within a command-line environment. It functions as a TUI layout engine, an interactive CLI framework, and a terminal data visualization toolkit. The library provides a set of specialized widgets for rendering charts, plots, gauges, and tables using character-based graphics. It includes a grid-based system for arranging interface elements using relative coordinates and proportional sizing to create structured displays. The toolkit covers a broad range of capabilities including data visua

CLI11 is a header-only C++ library for parsing command line arguments and managing configuration files. It maps shell input to typed variables and supports the creation of complex command hierarchies. The library is distinguished by its support for nested subcommands with infinite depth and prefix matching. It integrates configuration management by allowing application settings to be loaded from TOML or INI files, with the ability to fall back to environment variables. The project provides a comprehensive set of tools for argument parsing, including flags and positional arguments, alongside

This is an ANSI terminal color library and console output manager used for applying colors and text attributes to command line interface output. It functions as a terminal text styler and RGB color formatter, generating the escape codes necessary for foreground and background styling. The project supports 24-bit high-color RGB mapping for precise color rendering in compatible terminal emulators. It enables the creation of colorized text fragments that can be embedded into larger blocks of text or applied as global styles that persist across subsequent output streams. The library covers broad

tcell is a Go terminal user interface library and framework for building cell-based applications. It functions as a terminal emulator backend and input processor, utilizing a change-based diffing engine to manage screen state and efficiently render updates. The project is distinguished by its pluggable backend abstraction, which allows terminal interfaces to be rendered across physical terminals or compiled into WebAssembly for web browser display. It provides a virtual screen simulation to enable programmatic event injection and output inspection for automated application testing. Its capab

Notcurses is a terminal graphics engine and TUI library that renders high-fidelity images, video, and rich Unicode graphics directly in terminal emulators. At its core, it provides a layered framebuffer system that composes overlapping planes with independent depth and opacity, enabling complex visual scenes. The library also includes a terminal input processor for capturing and decoding keyboard and mouse events, a data visualization toolkit for histograms and line plots, a multimedia terminal player for images and video, and a TUI widget framework with reusable interface components. The lib

A very fast and versatile markdown toolchain. Output to AST, React, React Native, SolidJS, Vue, HTML, and more!

Inquirer.js is a command line input framework and prompt library for Node.js applications. It provides a structured set of tools for building interactive terminal interfaces, including menus, checklists, and text inputs, to gather user data and manage complex interactions. The framework allows for the creation of dynamic user experiences through branching prompt logic and the resolution of asynchronous configurations. Users can define custom prompts using a provided API and localize interface text into different languages. The library covers a wide range of input capabilities, including sing

A single-header terminal UI (TUI) library, capable of creating mouse-driven, interactive applications on the command line.

This library provides a rendering engine that translates declarative component trees into PDF files. It enables the construction of complex document structures using a component-based architecture, allowing developers to define layout, styling, and content programmatically. The system operates across both browser and server-side environments, offering a unified interface for generating structured documents. The project distinguishes itself through a sophisticated layout and rendering pipeline that handles the complexities of document creation. It utilizes a flexbox-based engine for element po

A Modern C++ Text-Based Widget Toolkit (TUI)

⚛️ A React renderer for Figma

ImTui: Immediate Mode Text-based User Interface C++ Library

oclif is a Node.js framework for building command-line interfaces. It provides a structured system for developing terminal applications with consistent command patterns, argument parsing, and automated help generation. The project features a modular plugin architecture that allows for external functionality to be injected via a manifest-based loading mechanism. It includes a dedicated distribution pipeline and packager to bundle applications into OS-native installers and tarballs for Windows, macOS, and Linux. The framework covers a broad range of development capabilities, including project

This project is a React-based WebGL renderer that enables the creation of three-dimensional scenes using a declarative, component-driven architecture. It functions as a bridge between a component-based user interface library and a low-level graphics engine, allowing developers to manage lights, cameras, and geometry as standard elements within a reactive tree structure. The library distinguishes itself by treating the scene graph as a declarative hierarchy that synchronizes directly with application state and lifecycle events. It utilizes a custom reconciler to map component updates to object

Remotion is a programmatic video framework that enables the creation of video content using component-based logic and standard web technologies. By leveraging a declarative animation engine, it allows developers to structure visual content as a hierarchy of reusable components, ensuring that animations and state updates remain consistent through deterministic frame execution. The framework distinguishes itself by utilizing a headless browser renderer that captures visual output frame-by-frame to generate high-quality video files. This architecture supports a cloud-native media pipeline, allow