Pydantic GitHub Repositories (2026) · Open Source Tools

FastAPI framework, high performance, easy to learn, fast to code, ready for production

The agent engineering platform.

Build resilient agents.

How Python does AI. Agents, realtime voice, image generation, embeddings. Every model, every interface, typed end to end.

AI observability platform for production LLM and agent systems.

Generate Pydantic v2 models, dataclasses, TypedDict, and msgspec.Struct from OpenAPI, JSON Schema, GraphQL, Avro, Protobuf, and raw JSON/YAML/CSV.

A universal converter for singing voice projects which is cross-platform and multi-lingual

Light, flexible and extensible ASGI framework | Built to scale

Stripe-like API versioning in FastAPI

MessagePack serialization library for Python derived from orjson, written in Rust using PyO3

Data validation using Python type hints

SQL databases in Python, designed for simplicity, compatibility, and robustness.

💨 Fast, Async-ready, Openapi, type hints based framework for building APIs

Vizro is a low-code toolkit for building high-quality data visualization apps.

python async orm with fastapi in mind and pydantic validation

Instill trust in your agent evals.

🪢 Langfuse Python SDK

Modern admin interface for FastAPI with built-in authentication, event tracking, and security features

DocFlow is a powerful Document Management API designed to streamline document handling, including seamless uploading, downloading, organization, versioning, sharing, and more.

Object mapping, and more, for Redis and Python