Build cross-browser extensions with native HMR and zero-config setup

Klavis AI (YC X25): MCP integration layers that let AI agents use thousands of tools reliably.

A fast type checker and language server for Python

What are the principles we can use to build LLM-powered software that is actually good enough to put in the hands of production customers?

Automatically generates beautiful and easy-to-read ER diagrams from your database.

A collection of MCP servers.

A snapshot testing library for rust

A full-featured Golang Development Framework.

Collection of awesome LLM apps with AI Agents and RAG using OpenAI, Anthropic, Gemini and opensource models.

A collection of neobrutalism-styled Tailwind components.

Fully controllable and best rich text editor for Svelte Developers

An animated number component for React, Vue, Svelte, and TS/JS.

beautifully crafted, moving icons. for svelte. 🧡

GenAI Agent Framework, the Pydantic way

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

Scalar is an open-source API platform:　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　🌐 Modern Rest API Client　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　📖 Beautiful API References　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　…

Making it easy to write shell-like scripts in Go

Build self-updating Go programs

Huma REST/HTTP API Framework for Golang with OpenAPI 3.1

Distributed task queue with full async support

FastStream is a powerful and easy-to-use Python framework for building asynchronous services interacting with event streams such as Apache Kafka, RabbitMQ, NATS and Redis.

The Data Change Processing platform

Building event-driven applications the easy way in Go.

Generate a Go ORM tailored to your database schema.

React app for inspecting, building and debugging with the Realtime API

A stunning, functional and responsive retractable sidebar for Next.js built on top of shadcn/ui.

A really basic thread-safe progress bar for Golang applications

safe and easy casting from one type to another in Go

record and replay the web

Franken UI is an HTML-first UI component library built on UIkit 3 and extended with LitElement, inspired by shadcn/ui.