CGMiner is an open source ASIC/FPGA miner written in C, cross platform for Linux, Windows and OS X, and including support and binaries for RPi, OpenWrt routers and others.
Features are listed here: https://bitcointalk.org/index.php?topic=28402.0
- cgminer project page on GitHub
- Project Thread
- Binaries and Source - All Versions
- Windows Native Compile Guide
- cgminer compiled for Mac OS X