A chat server with authentication, persistent and searchable history, rich markdown formatting, video, private rooms, conversation highlighting, plugins, persisted notifications, code and table rendering, specialized link boxing, github hooks, bots, and many other features.
You can see it in action or use it on https://miaou.dystroy.org (anybody can create a room for public or private use on this server).
If you want to install Miaou, the installation documentation is available here.
Don't hesitate to come ask us some advices in one of the dedicated chat rooms 
And if you run your own server, please tell us, we're always happy to learn about installations.
As described in the help, Miaou is mostly coded in JavaScript.
Stuff includes node, PostgreSQL, OAuth2, socket.io, WebRTC, express, Bluebird, Redis, Pug, Passport.js, hu.js, jQuery, sass/scss, travis-ci, and nginx.
Many features are implemented as plugins, and that's where you should look first: Plugin developpement.
If you have the ability and will to contribute, come and discuss with us. The best landing place is usually the Miaou room where you can ping @dystroy or @Florian.
Help is welcome but remember:
- Come and discuss with us before to code
- And, always test yourself and run the test suite before doing a pull request.
Most of Miaou follows the MIT License. Exceptions are specified here.
Copyright (c) 2014 Denys Séguret <https://www.dystroy.org/>