Just a clean, simple Bitcoin widget. Customizable refresh interval. Very light battery usage.
Shows the current price from any of the following exchanges in many different currencies: Bit2C, Bitcoin Average, Bitcoin.de, Bitcurex, Bitfinex, BitPay, Bitso, Bitstamp, BTC China, BTC-e, BTC Markets, BTCTurk, BTCXchange, Camp BX, Cex.io, Coinbase, Cointree, Cryptonit, Cryptsy, Huobi, Justcoin, Korbit, Kraken, KunaBTC, LakeBTC, Mercado Bitcoin, OK Coin, Paymium, Virtex, Zyado.
If you'd like to see an exchange that is not in the list, please let me know!
Source code is available here: https://github.com/hwki/SimpleBitcoinWidget
Feedback and Bitcoins welcome: 15SHnY7HC5bTxzErHDPe7wHXj1HhtDKV7z
Added BTCXchange, Cex.io, OK Coin.