Twinkle softphone

Twinkle is a soft phone for your voice over IP communcations using the SIP protocol. You can use it for direct IP phone to IP phone communication or in a network using a...

Free
Open Source
Linux

Twinkle is a soft phone for your voice over IP communcations using the SIP protocol. You can use it for direct IP phone to IP phone communication or in a network using a SIP proxy to route your calls.

Links to official Twinkle softphone sites

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The Best 5 Twinkle softphone Alternatives

video-calling filter is active.

324 Like

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...

Free Open Source Mac OS X Windows Linux Android iPhone Android Tablet iPad Chrome

Privacy protection Security focused Built in File transfer Works Offline Video calling Voice Call Group chat Texting Voice messages Protected by Password Encrypted chat End to end encryption Cross platform Encrypted Connection Mobile friendly Self destructing messages Color coding Based on phone number Private messaging Encrypted calls Encrypted VoIP calls Forward Secrecy Send files Video chat (Encrypted)
265 Like

Jitsi

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

Video calling Multiple Account support Group chat WebRTC End to end encryption Multiple protocols iPhone/iPod sync OTR
101 Like

Linphone

Linphone is an internet phone or Voice Over IP phone (VoIP). With Linphone you can communicate freely with people over the internet, with voice, video, and text instant messaging.

Free Open Source Mac OS X Windows Linux Android iPhone Android Tablet Web Windows Mobile

Video calling Encrypted VoIP calls
15 Like

QuteCom

QuteCom is a community of enthusiasts and developers, creating free software products related to communication over IP.

Free Open Source Mac OS X Windows Linux

Portable Video calling Voice Call
3 Like

Silent Phone

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

Video calling Voice Call Encrypted chat Encrypted calls

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Twinkle softphone

Links to official Twinkle softphone sites

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The Best 5 Twinkle softphone Alternatives

Signal

Jitsi

Linphone

QuteCom

Silent Phone

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