On April 12th, 2012, a project to develop an open source Bitcoin mining ASIC, using a topology based on a direct copy of an FPGA design, was announced under the name OpenBitASIC.

On April 14th, 2013, the project was declared as having been canceled, citing a lack of a suitable chip manufacturer.

Source

http://bitcoin.it/

See Also on BitcoinWiki

• FailCoin
• Impulse
• Hi Mutual Society (HMC)
• BidPay
• ShareMeAll