A collective list of free APIs

Python Classes Without Boilerplate

High level asynchronous concurrency and networking framework that works on top of either Trio or asyncio

Clean, modern, Python 3.6+ code generator & library for Protobuf 3 and async gRPC

Pure-Python HTTP/2 protocol implementation

Pure-Python gRPC implementation for asyncio

Python Application Configuration With Environment Variables

The python Implementation For Apache Dubbo.