1. PynaclPython binding to the Networking and Cryptography (NaCl) library
2. BcryptModern(-ish) password hashing for your software and your servers
4. Cryptographycryptography is a package designed to expose cryptographic primitives and recipes to Python developers.
6. ed25519Optimized version of the reference implementation of Ed25519
7. infraInfrastructure configuration for pyca projects (mostly dockerfiles)