You can view all available plugins for Oh My Bash under the Plugins directory.

Once you spot a plugin (or several) that you'd like to use with Oh My Bash, you'll need to enable them in the .bashrc file. You'll find the bashrc file in your $HOME directory. Open it with your favorite text editor and you'll see a spot to list all the plugins you want to load.

For example, this line might begin to look like this:

plugins=(git bashmarks progress)