Headlime - Create headlines like copywriting experts
Tragofone - White-label VoIP Softphone with WebRTC and Auto-provisioning
Copysmith - GPT-3 powered content marketing that feels like magic
PhonerLite - PhonerLite enables your PC to use it for internet telephony (VoIP , Voice over IP, SIP).
Grammarly - Clear, effective, mistake-free writing everywhere you type.
tSIP - tomeko.net/software: SIP client for Windows.