Discover open-source Developer Tools & CLI tools — each one community-curated and honestly ranked so you can find something dependable to build with.
91 open-source tools in this category.
Microsoft's open-source code editor with rich extensions, debugging, and Git — the core of Visual Studio Code.
Python tool and CLI for converting files and Office documents to Markdown.
Community framework for managing Zsh shell configuration, with plugins, themes, and helpers.
Google's open-source programming language for building simple, reliable, and efficient software.
Framework for building native iOS and Android apps using React.
Framework for building cross-platform desktop apps with JavaScript, HTML, and CSS.
JavaScript library for creating and rendering 3D graphics in the browser via WebGL.
JavaScript library for producing data visualizations using SVG, Canvas, and HTML.
Toolkit for building desktop and mobile apps with a web frontend and Rust backend.
Typed superset of JavaScript that compiles to plain JavaScript.
Runtime for JavaScript and TypeScript built on V8, with built-in tooling.
Terminal application for Windows with tabs, panes, and Unicode support.
Command-line tool to scaffold a single-page React application with a preconfigured build setup.
Hyperextensible, Vim-based text editor with a built-in language server client and Lua scripting.
TypeScript framework for building single-page web applications, maintained by Google.
React component library implementing Google's Material Design.
Microsoft's framework for reliable end-to-end browser testing across Chromium, Firefox, and WebKit.
Utility-first CSS framework for styling web interfaces with composable classes.
High-performance, multiplayer code editor written in Rust, from the creators of Atom and Tree-sitter.
Reference server implementations for the Model Context Protocol, the open standard connecting AI assistants to tools and data.