BotanCryptography Toolkit
MbedtlsAn open source, portable, easy to use, readable and flexible SSL library
secretpyClassical ciphers: Caesar, ADFGX, ROT13 and etc.
OpenPGPA C++ Implementation of RFC 4880
sike-javaSIKE for Java is a software library that implements experimental supersingular isogeny cryptographic schemes that aim to provide protection against attackers running a large-scale quantum computer.
hermes-coreSecurity framework for building multi-user end-to-end encrypted data storage and sharing/processing with zero leakage risks from storage and transport infrastructure.
crySageMath/Python Toolkit for Cryptanalytic Research
pysha2Pure Python implementation of SHA2 (i.e., SHA224, SHA256, SHA384, and SHA512).
dusk-zerocafZerocaf: A library built for EC operations in Zero Knowledge.
dryocDon't Roll Your Own Crypto: pure-Rust, hard to misuse cryptography library
libgodiumPure Go implementation of cryptographic APIs found in libsodium