crunch

A real-time chat application where users can create profiles, workspaces and multiple channels within workspaces, join workspaces, share images etc, build using Flask, socket-io, HTML, CSS, JavaScript. Maintained by pri1311 on GitHub, where it has earned 65 stars from the community.

It's actively developed around flask, chat-application, chat-app, and is a solid reference for anyone building with these tools.