
Signal
TextSecure and RedPhone have been merged to create Signal! Using Signal, you can communicate instantly while avoiding SMS fees, create groups so that you can chat in real time with all your friends at once, and share media or...
MicroSIP is a free portable SIP softphone for Windows based on PJSIP stack. It allowing to do high quality VoIP calls (P2P or on regular telephones) via open SIP protocol.
microsip is a free portable sip softphone for windows based on pjsip stack. it allowing to do high quality voip calls (p2p or on regular telephones) via open sip protocol. from cloud of sip providers you can choose best for you, register account and use it with microsip. you'll get free p2p calls and cheap international calls.
main in microsip:
small ram usage (< 10 mb) written in c and c++ with minimal possible system resources usageusability user friendly in daily usagefunctionality voice, messaging, presencecompatibility strongly conform to sip standardsvoice quality supports best voice codecsportability stores setting in ini file
Productivity Social Business and Commerce File Sharing
voice-chat sip softphone phone-calls
TextSecure and RedPhone have been merged to create Signal! Using Signal, you can communicate instantly while avoiding SMS fees, create groups so that you can chat in real time with all your friends at once, and share media or...
Free Open Source Mac OS X Windows Linux Android iPhone Android Tablet iPad Chrome
Jitsi (previously SIP Communicator) is an audio/video and chat communicator with full end-to-end encryption that supports protocols such as SIP, XMPP/Jabber, ICQ/AIM, Windows Live, Yahoo!, GTalk/Hangouts extensions, as well as OTR, ZRTP...
Free Open Source Mac OS X Windows Linux Android BSD Web