HubCommander
A Slack bot for GitHub organization management, and other things too
... the name of the command, for example, CreateRepo, will output help text on how to execute the command. Granting outside collaborators specific permissions to repositories. Repository default branch modification. Repository PR listing. Repository deploy Key listing/creation/deletion. Repository topics creation/deletion. Repository branch protection enabling/disabling. You can add additional commands by creating plugins. For example, you can create a plugin to invite users to your organizations.