Opus-codec.org
Xiph.org
Matroska.org
Xvid.org
Webmproject.org
Rarewares.org
Afreecodec.com
Codecguide.com
Free-codecs.com
Moviecodec.com
Codecs.com
Monkeysaudio.com
Corecodec.com
Radgametools.com
Nextup.com
Spokentext.net
Neospeech.com
Naturalreaders.com
Ispeech.org
Scribie.com
Readspeaker.com
Americanrhetoric.com
Loquendo.com
Acapela-box.com
3playmedia.com
Speechpad.com
Yakitome.com
Cepstral.com
Odiogo.com
Readthewords.com
Feed2podcast.com
Daisy.org
Askozia.com
Sipfoundry.org
Festvox.org
Asterisk.org
Elastix.org
Freeswitch.org
Linphone.org
Wengo.com
Jitsi.org
Voxforge.org
Speechtechmag.com
Theora.org
Audiocoding.com
Speechbuddy.com
Bytecool.com
Zero2000.com
Recordergear.com
Openimscore.org