Sauropod's features and clean interface allow you to easily use TOTP tokens.
Sauropod is compatible with Google, Facebook, Twitter and many more.
You can find Sauropod's complete source code on GitHub.
optauth://links to import new accounts.
Sauropod will suggest you tokens that match your browser tabs. This way you won't have to scroll trough your whole account list just to find the right token.
Sauropod is optimized for best resource-usage: When it's idling, Sauropod is only consuming <1% CPU and 70MB of RAM