Developed by devhub.io
Bitcoin Core integration/staging tree
TLS/SSL and crypto library
A modern and easy-to-use crypto library.
CryptoSwift is a growing collection of standard and secure cryptographic algorithms implemented in Swift
End-To-End is a crypto library to encrypt, decrypt, digital sign, and verify signed messages (implementing OpenPGP and OTR)
Upspin: A framework for naming everyone's everything.
Project Wycheproof tests crypto libraries against known attacks.
cryptography is a package designed to expose cryptographic primitives and recipes to Python developers.
Step-by-step guide on how to create a GPG key on keybase.io, adding it to a local GPG setup and use it with Git and GitHub.
Multi-platform transparent client-side encryption of your files in the cloud.