Zeplin - Collaboration app for UI designers & frontend developers
Tragofone - White-label VoIP Softphone with WebRTC and Auto-provisioning
Pamela for Skype - A versatile and easy to use Skype audio and video recording software. Features
PhonerLite - PhonerLite enables your PC to use it for internet telephony (VoIP , Voice over IP, SIP).
ActiveWords - Auto correct on steroids
tSIP - tomeko.net/software: SIP client for Windows.