Complete or upcoming implementations of ASGI - servers, frameworks, and other useful pieces.
Stable / http://github.com/django/daphne
The current ASGI reference server, written in Twisted and maintained as part of the Django Channels project. Supports HTTP/1, HTTP/2, and WebSockets.
Stable / https://www.uvicorn.org/
A fast ASGI server based on uvloop and httptools. Supports HTTP/1 and WebSockets.
Stable / http://channels.readthedocs.io
Channels is the Django project to add asynchronous support to Django and is the original driving force behind the ASGI project. Supports HTTP and WebSockets with Django integration, and any protocol with ASGI-native code.
Quart is a Python ASGI web microframework. It is intended to provide the easiest way to use asyncio functionality in a web context, especially with existing Flask apps. Supports HTTP.