Bitfinex - Bitfinex is the largest and most advanced crypto-currencies trading platform.
Bitcoin Wallet API - New API with proof-of-concept Chrome extension
Bitcoin Wallet - Bitcoin Wallet is a mobile application that allows you to send and receive digital currencies.
SpectroCoin - Bitcoin debit card and wallet
BitStamp - Provide reliable and easy to use service for companies and individuals to exchange bitcoins.
Wallet List - Shareable list of your public cryptocurrency wallets