GitHub
GitHub is a web-based hosting service for version control using Git.
Connecting to GitHub with SSH
Check the SSH section to see if you have any existing SSH keys.
To add the SSH key to your GitHub account:
sudo apt install xclip
xclip -sel clip < ~/.ssh/id_rsa.pub
and go to your GitHub settings to add the new key.
Browser Extensions
Some useful and fun browser extensions to personalize your GitHub browser experience.
See https://github.com/collections/github-browser-extensions.