open2fa
TOTP 2FA client and server, with (optional) remote 2FA code generation and PROVABLY secure sync/backup/restore/etc functionality.
flask-simple-captcha
A simple captcha, primarily for flask, which utilizes dependencies that are already installed in by most flask projects to enable captcha functionality without the need for server side session dependencies.
@logf (logfunc)
An easy to use, highly configurable, leave-and-forget function logging decorator that logs the enter/exit/args/exec time/return value of a function, I use this in almost all of my python code
... and many others that can be found on my GitHub