Empower the Web community and invite more to build across platforms.

Type-Safe Errors for JS & TypeScript

📄 A curated list of awesome .cursorrules files

Open source API development ecosystem - https://hoppscotch.io (open-source alternative to Postman, Insomnia)

🪢 Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with OpenTelemetry, Langchain, OpenAI SDK, LiteLLM, and more. 🍊YC W23

Data framework for your LLM applications. Focus on server side solution

A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.

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

The TypeScript AI agent framework. ⚡ Assistants, RAG, observability. Supports any LLM: GPT-4, Claude, Gemini, Llama.

The easiest way to build React apps with server-side rendering

Collection of transforms for jscodeshift related to `@types/react`

🙌 OpenHands: Code Less, Make More

🌐 Front End interview preparation materials for busy engineers

TypeScriptとReact/Next.jsでつくる実践Webアプリケーションの第5章から6章までのコード

Validate and auto-generate TypeScript types from raw SQL queries in PostgreSQL.

Learn how to build simple and flexible React Components and Hooks using modern patterns

The zero configuration build tool for the web. 📦🚀

Actor-based state management & orchestration for complex app logic.

Scan for React performance issues and eliminate slow renders in your app

Yet another WebUI for Nginx

PostgreSQL driver and toolkit for Go

Python tool for converting files and office documents to Markdown.

⚙️🦀 Build portable, modular & lightweight Fullstack Agents

Curated list of AI-powered developer tools.