| perlPackages.MockMonkeyPatch | Monkey patching with test mocking in mind |
| perlPackages.SortKey | Fastest way to sort anything in Perl |
| perlPackages.CryptDH | Diffie-Hellman key exchange system |
| perlPackages.CryptDSA | DSA Signatures and Key Generation |
| perlPackages.CryptArgon2 | Perl interface to the Argon2 key derivation functions |
| perlPackages.AltCryptRSABigInt | RSA public-key cryptosystem, using Math::BigInt |
| perlPackages.HashMultiValue | Store multiple values per key |
| perlPackages.CryptScryptKDF | Scrypt password based key derivation function |