- libtomcrypt https://github.com/libtom/libtomcrypt
- farmhash https://github.com/google/farmhash
- highwayhash https://github.com/google/highwayhash
- Ring https://github.com/briansmith/ring
- Linux https://github.com/torvalds/linux/tree/master/crypto
- MatrixSSL https://github.com/matrixssl/matrixssl
- wolfSSL https://github.com/wolfSSL/wolfssl
- Windows CryptoAPI
- S2N https://github.com/awslabs/s2n
- Cryptlib https://www.cs.auckland.ac.nz/~pgut001/cryptlib/
- Stanford Javascript Crypto Library https://github.com/bitwiseshiftleft/sjcl
- Python stdlib
- CMAC