Monthly Rankings

An open agent platform that runs on your machine and works from the chat apps you already use

Fast, accurate & comprehensive text measurement & layout

The open source coding agent.

The open-source app everyone uses to manage agents at work

AI agent toolkit: unified LLM API, agent loop, TUI, coding agent CLI

Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.

Write HTML. Render video. Built for agents.

Make videos programmatically with React

An open-source AI agent that brings the power of Gemini directly into your terminal.

A framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

Virtual whiteboard for sketching hand-drawn like diagrams

Composable, accessible components with thoughtful defaults. Build your own component library with code you can customize, extend, and make your own.

The open alternative to Salesforce, designed for AI.

React for interactive command-line apps

Vercel's official collection of agent skills

The open source Firebase alternative

EmDash is a full-stack TypeScript CMS based on Astro; the spiritual successor to WordPress

Typescript lightweight Backend-as-a-Service

Autonomous coding agent as an SDK, IDE extension, or CLI assistant.

AI Agent Engineering Platform built on an Open Source TypeScript AI Agent Framework

The largest open-source library of animated, interactive, and customizable React & Next.js components for building standout web products and experiences. Built for humans and AI agents.

Pack an entire repository into a single, AI-friendly file. Perfect for when you need to feed your codebase to Large Language Models (LLMs) or other AI tools like Claude, ChatGPT, DeepSeek, Perplexity, Gemini, Gemma, Llama, Grok, and more.

Scheduling infrastructure for absolutely everyone.

Get the main content of any page as Markdown.

Build smaller, faster, and more secure desktop and mobile applications with a web frontend.

Performant financial charts built with HTML5 canvas

Visual Studio Code

Build AI Agents, Visually

pierre’s open source code

A next-gen knowledge base that brings planning, sorting and creating all together. Privacy first, open-source, customizable and ready to use - a free replacement for Notion & Miro

Llightweight, modern open-source CAPTCHA alternative using SHA-256 proof-of-work

Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)

Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one

Mastra is the modern TypeScript framework for AI-powered applications and agents.

A library for building terminal user interfaces (TUIs)

A terminal for a more modern age

A website build tool for the modern web — powerful developer experience meets lightweight output.

A simple and elegant markdown editor, available for Linux, macOS and Windows.

Next generation frontend tooling. It's fast!

An advanced 3D Gaussian Splatting renderer for THREE.js

Presentation Slides for Developers

Share files nearby and beyond.

The AI Toolkit for TypeScript. From the creators of Next.js, the AI SDK is a free open-source library for building AI-powered applications and agents

Define a component catalog. Users prompt. AI outputs JSON constrained to your catalog. Your components render it.

Build and send emails using React

Typescript/React Library for AI Chat

A javascript scrollbar plugin that hides the native scrollbars, provides custom styleable overlay scrollbars, and preserves the native functionality and feel.

Generation of diagrams like flowcharts or sequence diagrams from text in a similar manner as markdown

An open-source framework for making universal native apps with React. Expo runs on Android, iOS, and the web.

The Developer Tool for Visual Engineers • An Open-Source AI-First Design tool • Visually build, style, and edit your code with AI • World's best, top-most agent recommended #1 Developer tool for Designers and Visual Engineers to design with Real Code.