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
csipsimple will allow native sip for android device. It relies on the pjsip SIP stack and use the pjsip-jni project.
Free Open Source Android
3CXPhone is a free VoIP phone available for Windows, iPhone or any Android based smart phone such as Google Nexus, Sony Xperia, Motorola Droid or Samsung Galaxy.
Freemium Windows Android iPhone
Line2 is a VoIP phone service that lets you call & text from a separate phone number via WiFi or 3G/4G/LTE. At a small premium, Text & call ANYONE in the US/Canada, forwarding & more. Pick any phone number.
Commercial Mac OS X Windows Android iPhone Android Tablet iPad Kindle Fire Apple Watch
Yate is a softswitch (concept of separating the network hardware from network software). It supports VoIP protocols: H.323, SIP, IAX1, IAX2, RTP. For the plain old telephony systems (PSTN) it supports ISDN BRI and PRI.
Free Open Source Linux
Silent Phone – Secure Encrypted Video & Voice Mobile Phone Calls You now have the ability to have secure encrypted phone calls between Silent Circle members...
Commercial Android iPhone Android Tablet iPad
Free chat rooms no registration. Chat for free in many chat rooms. Meet single people and strangers online in retro style text online chat rooms.
Free Web