I have an easy wrapper to pocketsphinx here [1] - it has come in handy for me in the past. Another option is a gstreamer server with Kaldi [2].<p>[1] <a href="https:&#x2F;&#x2F;github.com&#x2F;kastnerkyle&#x2F;ez-phones" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;kastnerkyle&#x2F;ez-phones</a><p>[2] <a href="https:&#x2F;&#x2F;www.reddit.com&#x2F;r&#x2F;MachineLearning&#x2F;comments&#x2F;3pr4v4&#x2F;are_there_any_open_source_speech_recognition&#x2F;cwa25av" rel="nofollow">https:&#x2F;&#x2F;www.reddit.com&#x2F;r&#x2F;MachineLearning&#x2F;comments&#x2F;3pr4v4&#x2F;are...</a>