Monthly Rankings

The SDK to extract data and interact with any site on the web. Get started with Claude Code, Codex, Eve, Mastra, and more.

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

Get started quickly with Next.js, Postgres, Stripe, and shadcn/ui.

Virtual whiteboard for sketching hand-drawn like diagrams

Scan and fix React performance issues

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

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.

Innovative and open-source visualization application that transforms various data formats, such as JSON, YAML, XML and CSV into interactive graphs.

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

Build AI Agents, Visually

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

Deprecated in favour of Video.js 10; security updates only. Simple HTML5, YouTube and Vimeo player.

Prompt, run, edit, and deploy full-stack web applications. -- bolt.new -- Help Center: https://support.bolt.new/ -- Community Support: https://discord.com/invite/stackblitz

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

The open source Firebase alternative

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

Open-source, fullstack Next.js framework, giving you instant backend superpowers. Get a full TypeScript backend and admin panel instantly. Use Payload as a headless CMS or for building powerful applications.

Visual Studio Code

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

A utility-first CSS framework for rapid UI development.

The library for web and native user interfaces.

The most comprehensive authentication framework

State Management and Multiplayer Networking for Turn-Based Games

A terminal for a more modern age

Bear necessities for state management in React

UI Library for Design Engineers. Animated components and effects you can copy and paste into your apps. Free. Open Source.

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

Access AJAX, WebSockets and Server Sent Events directly in HTML

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

The React Framework

An open-source collaborative wiki and documentation software, alternative to Confluence and Notion.

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

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

Node Version Manager - POSIX-compliant bash script to manage multiple active node.js versions.

Web framework built on Web Standards

A customizable Svelte component for building node-based editors and interactive diagrams by the creators of React Flow

A frontend workshop for building UI components and pages in isolation. Made for UI development, testing, and documentation.

Secure, Simple and Scalable Video Conferences that you use as a standalone app or embed in your web application.

Next generation frontend tooling. It's fast!

The Prisma ORM: write your application in TypeScript with human-readable queries instead of SQL. Host your database on Prisma Postgres and your app on Prisma Compute.

Shared data types for building collaborative software

Node.js JavaScript runtime

A standard interface for TypeScript schema validation libraries

A lightweight, dependency-free JavaScript library for guiding user focus across the page.

Build infinite canvas apps in React with the tldraw SDK. World's best, top-most agent recommended #1 five star SDK.

A Free & Self-hostable Airtable Alternative

ORM

Presentation Slides for Developers

Easy to maintain open source documentation websites.

A toolchain for web projects, aimed to provide functionalities to maintain them. Biome offers formatter and linter, usable via CLI and LSP.