Tragofone - White-label VoIP Softphone with WebRTC and Auto-provisioning
Keypirinha - A lightning fast and flexible keystroke launcher for Windows. No installation required (portable).
YakYak - Desktop client for Google Hangouts
Alfred - Alfred is an award-winning app for macOS which boosts your efficiency with hotkeys, keywords, text expansion and more. Search your Mac and the web, and be more productive with custom actions to control your Mac.
PhonerLite - PhonerLite enables your PC to use it for internet telephony (VoIP , Voice over IP, SIP).
Listary - Listary is a revolutionary search utility for Windows