Production-ready platform for agentic workflow development.

A full-featured, hackable Next.js AI chatbot built by Vercel

rich text editor by canvas/svg

Interactive roadmaps, guides and other educational content to help developers grow in their careers.

There can be more than Notion and Miro. AFFiNE(pronounced [ə‘fain]) is a next-gen knowledge base that brings planning, sorting and creating all together. Privacy first, open-source, customizable an…

🤯 LobeHub - an open-source, modern design AI Agent Workspace. Supports multiple AI providers, Knowledge Base (file upload / RAG ), one click install MCP Marketplace and Artifacts / Thinking. One-cl…

🕵️‍♂️ All-in-one OSINT tool for analysing any website

⚡ Next-gen Web Extension Framework

VRender, not just a feature-rich visual rendering engine, but also a skillful and ingenious tool for creating beautiful artwork.

Konva.js is an HTML5 Canvas JavaScript framework that extends the 2d context by enabling canvas interactivity for desktop and mobile applications.

A set of beautifully-designed, accessible components and a code distribution platform. Works with your favorite frameworks. Open Source. Open Code.

Penpot: The open-source design tool for design and code collaboration

Build like a team of hundreds_

The fastest way to develop full-stack web apps with React & Node.js.

StreamSaver writes stream to the filesystem directly asynchronous

IDE-style autocomplete for your existing terminal & shell

🧩 The Browser Extension Framework

Bit is a modern Git CLI

🐙 Guides, papers, lessons, notebooks and resources for prompt engineering, context engineering, RAG, and AI Agents.

The codebase for Exercism's website.

Eclipse Theia is a cloud & desktop IDE framework implemented in TypeScript.

🚀🎉📚 APITable, an API-oriented low-code platform for building collaborative apps and better than all other Airtable open-source alternatives.

A CLI tool to check type coverage for typescript code

Scheduling infrastructure for absolutely everyone.

Fast and powerful CSV (delimited text) parser that gracefully handles large files and malformed input

Read *.xlsx files in a browser or Node.js. Parse to JSON with a strict schema.

An open-source Notion UI built with Vue 3

Curated list of project-based tutorials

More than 100 powerful ESLint rules

light – weight css preprocessor