Mate Translate - Ultimate translation app for Mac, iOS, Chrome and many more
Tragofone - White-label VoIP Softphone with WebRTC and Auto-provisioning
Google Translate - Google's free service instantly translates words, phrases, and web pages between English and over 100 other languages.
tSIP - tomeko.net/software: SIP client for Windows.
TransKey – Chat Translator App - TransKey – Chat Translator App is a rich-featured keyboard extension, enabling you to translate your messages inside any social media application like WhatsApp, iMessage, Facebook, Email, Twitter, Instagram, and many others.
PhonerLite - PhonerLite enables your PC to use it for internet telephony (VoIP , Voice over IP, SIP).