Itty-bitcoin is a project mainly written in Python, it's free.
Work in progress BitCoin client/tools
Copyright (c) Björn Edström [email protected] 2011.
Work in progress implementation of BitCoin. Written because I want to know how it works.
itty-tracker: Tracks and manages seed nodes (the initial peers used to learn about the network) in the BitCoin network.
itty.util.base58: Reference implementation of the base58 encoding
used by BitCoin. Extensively tested.
itty.crypto.ecc: Elliptic curve cryptography.
itty.bitcoin.messages: Reads/writes BitCoin protocol messages.