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... Free Open Source Mac Windows Linux Android iPhone ... Android Tablet iPad Chrome End-to-end encryption Encrypted chat Security focused Encrypted calls ... Encrypted Connection Self destructing messages Texting Video calling Voice Call Built-in File transfer Color coding Cross-platform Encrypted VoIP calls Forward Secrecy Group chat Mobile friendly Works Offline Protected by Password Based on phone number Privacy protection Private messaging Send files Voice messages Add a feature 336 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... Free Open Source Mac OS X Windows Linux Web Android ... BSD End-to-end encryption Group chat iPhone/iPod sync Multiple protocols ... Multiple Account support OTR Video calling WebRTC Add a feature 270 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... Free Open Source Mac OS X Windows Linux Web Windows Mobile ... Android iPhone Android Tablet Windows Phone iPad Xfce Encrypted VoIP calls Video calling Add a feature 102 Like
YakYak What does it do: * Send/receive chat messages * Create/change conversations (rename, add people) * Leave/delete conversation * Notifications * ... Free Open Source Mac OS X Windows Linux Hangouts Portable Add a feature 17 Like
Nimbuzz Nimbuzz offers limited availablility free calls and limited availability free text messaging for users via 3G and WiFi. Calls to other Nimbuzz users are free. PAY to... Freemium Mac OS X Windows Web Android iPhone ... Java Mobile S60 HP webOS Blackberry Android Tablet Windows Phone iPad Chrome Kindle Fire Voice Call Add a feature 117 Like
MicroSIP 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... Free Open Source Windows PortableApps.com No features added Add a feature 16 Like
X-Lite Combining voice calls, video calls and Instant Messaging in a simple interface, CounterPath's X-Lite helps you seamlessly transition from a traditional phone... Commercial Mac OS X Windows Video calling Voice Call Add a feature 19 Like
3CX Phone System 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. Connect... Freemium Windows Android iPhone No features added Add a feature 8 Like
Phoner Softphone for VoIP, CAPI und TAPI. This application enables voice connections to landline, cellular network and VoIP. Phoner can be used as softphone on stationary and... Free Windows No features added Add a feature 13 Like
Bria Thoughtfully designed, Bria 5 leverages over 10 years of softphone experience in improving productivity for our customers. Commercial $ $ $ Mac OS X Windows Android iPhone Android Tablet ... iPad No features added Add a feature 1 Like
YateClient YateClient is an Instant Messenger and a SoftPhone. Free Mac OS X Windows Linux No features added Add a feature 3 Like
Chatzy Chatzy is a free private chat service which you can use to communicate with people you already know or people who visits your blog or website. With Chatzy you can create... Free Web No installation No registration required Add a feature 4 Like
Spreed Spreed is the worldwide unified web conferencing service offering integrated web and telephone conferencing. It is based on Flash Player. Free service includes 3... Commercial Mac OS X Windows Linux Web Share your screen Add a feature 8 Like
Starfish PBX Starfish PBX aims to be an open source alternative to Digium’s Switchvox. The goal is to have a software equivalent to which we can add additional functionality like: ... Free Open Source Linux No features added Add a feature 1 Like
GV Connect GV Connect is an unofficial iPhone/iPod Touch application for Google Voice. It stores your account password securely in your device's keychain for faster logins -... Commercial iPhone iPad Voice Call Add a feature 4 Like
