It came from a company called Willow Pond Software. That seems to narrow searches down.
WillowTalk is apparently still of interest to Half-Life modders because another WillowTalk voice, possibly a clone of DECtalk's Huge Harry, was used as the Black Mesa VOX facility-wide announcement system in the original Half-Life.
WillowTalk is apparently still of interest to Half-Life modders because another WillowTalk voice, possibly a clone of DECtalk's Huge Harry, was used as the Black Mesa VOX facility-wide announcement system in the original Half-Life.