- A Practical Guide to Managing Multiple GitHub Accounts (Medium)
- How to use two GitHub accounts on the same computer
- Accessing Github with two-factor authentication (GitHub)
- Connecting to GitHub with SSH (GitHub)
- Adding your SSH key to the ssh-agent (GitHub)
- Contains some useful bits for making ssh passphrases painless on the Mac.
Related:
- List /delete/expire SSH keys (Stuff…. And Things – awesome site name!)