FreeBSD

Open-source

Julius is a lightweight open-source Speech Recognition Engine

"Julius" is a high-performance, small-footprint large vocabulary continuous speech recognition (LVCSR) decoder software for speech-related researchers and developers. It is primarily written for C programming language. The algorithm is based on 2-pass tree-trellis search, which fully incorporates major decoding techniques such as tree-organized lexicon, 1-best / word-pair context approximation,

By Hazem Abbas