List of available trading robots. Please use comments to discuss.
1b Bot Lite
Bitcoin Arbitrage (maxme)
Blackbird Bitcoin Arbitrage is a trading system that does automatic long/short arbitrage between Bitcoin exchanges.
BTC-E + GOX Rolling bot, Rocking bot, Trading bot, Full-Code
This script allows for limit orders on coinbase. It is configurable via a web interface. You can host it yourself or use their online (free) hosted version.
I highly recommend this site, it allows you to backtest and create your own trading algorithms. They offer free downloadable software you can run your algorithms with, or you can pay for their premium hosting for your trading bot (the easiest solution).
This is an opensource c# trading tool.
R2CT – The Round-Robin Cryptsy Trader
GoxTool can be used with a variety of “strategy” scripts for automated trading
Portfolio Rebalancing Strategy (_balancer.py)
prof7bit’s stoploss (optionally trailing stop)
DonaBit’s improved version of prof7bit’s stop loss
Aido’s Improved version of prof7bit’s stoploss – Sells Full BTC Balance
piramida’s range trading bot
gweedo’s ‘Open Source bitcoin trading bot’
HAL 10K – PHP Open source Trading bot
Haasonline Simple Trade Bot
LiquidBot is a Market Liquidity providing bot for MtGox.