Cross-platform window management and OS integration library for Java

Java bindings for Skia

WSGI/ASGI HTTP server powered by the BEAM. Mix the best of Python (AI, web apps) with Erlang (distribution, concurrency, resilience).

A gradually typed Ruby compiler with Hindley-Milner type inference, dual LLVM/JVM backends, and seamless Java interop.

A Python application server implemented in Envoy

a lightweight durable execution framework for Ruby that runs as a library in your application

a Go LLM client library that provides a unified API across multiple providers

Durable Execution Framework for Go

a durable execution framework for Python

A modern static site generator by the Material for MkDocs team

High-performance WSGI/ASGI server powered by Rust

The Python implementation of Connect: Protobuf RPC that works.

Go RPC library with dynamic protobuf generation

A Model Context Protocol (MCP) server that provides D2 diagram generation and manipulation capabilities.

Convert any REST API or gRPC service into MCP tools for AI assistants

A Go adapter that bridges LangChain Go tools with Model Context Protocol (MCP) servers.

A curated list of awesome things related to Pydantic! 🌪️

GenAI Agent Framework, the Pydantic way

Data validation using Python type hints

The Go implementation of Connect: Protobuf RPC that works.

The best way of working with Protocol Buffers.

A library to convert Pydantic models to TypedDict

A gRPC-Web implementation for Python

WIP connectrpc client/server in python

Napolitan is a lightweight, user-friendly library for creating custom elements with a simple API for PyScript.

Python implementation of Connect Protocol

PydanticRPC is a Python library for rapidly exposing Pydantic models as gRPC, ConnectRPC, and MCP services without protobuf files.

A cross-platform UI framework for Go

Castella is a cross-platform pure Python UI framework