VVAudio.com
Ambisonic Tools
Core Sound now sells the first commercially available second order ambisonic microphone, the OctoMic, which uses VVAudio's VVOctoEncode for encoding.
To find out more about the OctoMic or Core Sound's first order mic, the TetraMic, see core-sound.com.
With the release of VVEncode, VVAudio now supports the Brahma line of tetrahedral microphones. Designed and manufactured by Umashankar in Bangalore - shipped around the world. See their site for more information.