Welcome to the Addons Server! This is addons.mozilla.org.
We have some good install docs if you want to try it out. We'd love your help! You can come talk to us on irc://irc.mozilla.org/amo if you have questions.
Please report bugs here: https://github.com/mozilla/addons/issues or https://github.com/mozilla/addons-server/issues
You can access the AMO dev environment at https://addons-dev.allizom.org/
You can access the AMO stage environment at https://addons.allizom.org/
You can join our mailing list at: https://mail.mozilla.org/listinfo/dev-addons