base58 topic
dongle
A simple, semantic and developer-friendly golang package for encoding&decoding and encryption&decryption
btclib
btclib: a python3 library for 'bitcoin cryptography'
bs58check
A straight forward implementation of base58check extending upon bs58.
micro-base58
Fast and beautiful base58 encoder without dependencies.
scure-base
Secure, audited & 0-deps implementation of bech32, base64, base32, base16 & base58
multibase
multi base encoding/decoding utility
SimpleBaseLib4Pascal
Object Pascal library for encoding/decoding Base16, Base32, Base58, Base64, Base85.
urlpack
Pure JavaScript toolkit for data URLs (MessagePack, Base58 and Base62)
BaseConverter
Zamicol's Base Converter - Convert arbitrary bases with arbitrary alphabets.
THCrypt
C++ console application that features unique (at least I think so) symmetric key based file encryption algorithm.