Autogit

Define commands, using plugins, to execute across all your repositories.

Features

Autogit allows you to automate many tedious tasks, here are some practical tasks that can you can configure it to do:

Pull/push to/from origin, across all your repositories, with one command.
Edit multiple readmes and have autogit make the commits and pushing them, maybe even bumping the projects' versions and publishing them.
Synchronize all your repositories' descriptions and keywords with GitHub.
...basically anything you want, across all, or some, of your repositories.

npm install -g autogit

You can define custom commands via the configuration.

You can find most of the commands and plugins made by the community in the awesome-autogit repository.