• Hangouts icon

    Hangouts

    Hangouts is a messaging app that lets you send and receive messages, photos and more, and even start free video and voice calls – one...

    Free Windows Web / Cloud Android iPhone Chrome OS Android Tablet ... iPad Chrome Android Wear

  • Telegram icon

    Telegram

    Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free. It is like SMS, but more powerful....

    Open Source Mac Windows Linux Web / Cloud Android iPhone ... Android Tablet iPad Apple Watch Android Wear

  • Mumble icon

    Mumble

    Mumble is an open source, low-latency, high quality voice chat software primarily intended for use while gaming.

    Open Source Mac Windows Linux iPhone BSD iPad

  • Slack icon

    Slack

    Slack brings all your communication together in one place. It’s real-time messaging, archiving and search for modern teams.

    Freemium Mac Windows Linux Web / Cloud Android iPhone ... Apple Watch

  • Viber icon

    Viber

    Viber is a mobile application that lets you make free phone calls and send text messages to anyone who also has the application...

    Freemium Mac Windows Linux Android iPhone Blackberry ... Windows RT Android Tablet Windows Phone

  • Trillian icon

    Trillian

    Trillian is an instant messaging app that works on phones, tablets, and desktops while keeping your chats neatly synchronized between...

    Freemium Mac Windows Linux Web / Cloud Android iPhone ... Blackberry iPad

  • Tox icon

    Tox

    Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.

    Open Source Mac Windows Linux Android iPhone Android Tablet ... BSD

  • Jitsi icon

    Jitsi

    Jitsi (previously SIP Communicator) is an audio/video and chat communicator with full end-to-end encryption that supports protocols...

    Open Source Mac Windows Linux Web / Cloud Android BSD

  • Digsby icon

    Digsby Discontinued

    Digsby is a multiprotocol IM client that lets you chat with all your friends on AIM, MSN, Yahoo, ICQ, Google Talk, and Jabber with one...

    Open Source Windows

  • Signal icon

    Signal

    TextSecure and RedPhone have been merged to create Signal! Using Signal, you can communicate instantly while avoiding SMS fees...

    Open Source Mac Windows Linux Android iPhone Chrome

  • Facebook Messenger icon

    Facebook Messenger

    Facebook Messenger is a faster way to message. Reach friends right on their phones, get and send messages fast, message everyone at...

    Free Windows Web / Cloud Android iPhone Blackberry Android Tablet ... iPad Apple Watch Android Wear

  • Glip icon

    Glip

    Glip is instant messaging for teams and businesses to communicate and get work done at the same time. In Glip you work where your...

    Freemium Mac Windows Web / Cloud Android iPhone iPad

  • Nimbuzz icon

    Nimbuzz

    Nimbuzz offers limited availablility free calls and limited availability free text messaging for users via 3G and WiFi. Calls to other...

    Freemium Mac Windows Web / Cloud Android iPhone Java Mobile ... S60 HP webOS Blackberry Android Tablet Windows Phone iPad Chrome Kindle Fire

  • Voxeet icon

    Voxeet

    Free HD conference calls up to 8 participants. High definition voice, 3D immersive sound. Voxeet has created a new generation...

    Free Windows Android iPhone Android Tablet iPad

  • Linphone icon

    Linphone

    Linphone is an internet phone or Voice Over IP phone (VoIP). With Linphone you can communicate freely with people over the internet...

    Open Source Mac Windows Linux Web / Cloud Windows Mobile Android ... iPhone Blackberry Android Tablet BSD Windows Phone iPad Blackberry 10 Xfce

  • LINE icon

    LINE

    LINE is a Japanese proprietary application for instant messaging on smartphones and PCs. Line users exchange text messages, graphics...

    Freemium Mac Windows Web / Cloud Windows Mobile Android iPhone ... Android Tablet Windows Phone iPad

  • Discord icon

    Discord

    All-in-one voice and text chat for gamers that’s free, secure, and works on both your desktop and phone.

    Free Mac Windows Web / Cloud Android iPhone

  • Ekiga icon

    Ekiga

    Ekiga (formely known as GnomeMeeting) is an open source VoIP and video conferencing application for GNOME. Ekiga uses both the H.323...

    Open Source Windows Linux

  • ICQ icon

    ICQ

    ICQ is one of the oldest instant messengers. First developed by the Israeli company Mirabilis, sold to AOL, sold again and currenly...

    Free Mac Windows Web / Cloud Windows Mobile Android iPhone ... Java Mobile S60 Blackberry Android Tablet Windows Phone iPad Kindle Fire

  • Ventrilo icon

    Ventrilo Discontinued

    Ventrilo is the next evolutionary step of Voice over IP (VoIP) group communications software.

    Free Mac Windows

  • Ring icon

    Ring

    Ring is a secure and distributed voice, video and chat communication platform that requires no centralized server and leaves the power...

    Open Source Mac Windows Linux Android

  • ooVoo icon

    ooVoo

    Free high quality video chat and video conferencing from ooVoo. Talk live face-to-face with up to 6 people at once.

    Freemium Mac Windows Android iPhone Android Tablet Windows Phone ... iPad Kindle Fire

  • Psi+ icon

    Psi+

    Psi+ is a development branch of Psi IM XMPP/Jabber client. Psi is a cross-platform powerful XMPP/Jabber client (Qt, C++) designed...

    Open Source Mac Windows Linux BSD

  • Vsee icon

    Vsee

    Extremely low bandwidth video collaboration software that supports application sharing, desktop sharing, file sharing, and PTZ camera...

    Free Personal Mac Windows

  • Wire icon

    Wire

    Wire is simple, beautiful conversations on your phone, tablet and desktop. Talk or message with friends, message with groups. Share...

    Free Mac Windows Web / Cloud Android iPhone Chrome OS ... Android Tablet iPad

  • Zoiper icon

    Zoiper

    Zoiper IAX & SIP multilanguage and multiplatform (Windows, Linux and Mac OS X) softphone is a VoIP soft client, meant to work with...

    Freemium Mac Windows Linux Web / Cloud Android iPhone ... Windows Phone

  • QuteCom icon

    QuteCom Discontinued

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

    Open Source Mac Windows Linux

  • Bit Chat icon

    Bit Chat

    Technitium Bit Chat is a secure, peer-to-peer (p2p), open source instant messenger designed to provide end-to-end encryption. It can...

    Open Source Windows Linux

  • MicroSIP icon

    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...

    Open Source Windows

  • Tango icon

    Tango

    Tango allows you to easily connect with friends & family or make new friends. Make video & voice calls, send text messages...

    Freemium Windows Android iPhone Android Tablet Windows Phone iPad

  • Coccinella icon

    Coccinella

    Coccinella is a free and open-source cross-platform instant messaging client with a built-in whiteboard for improved collaboration...

    Open Source Mac Windows Linux BSD

  • Beamium icon

    Beamium

    Beamium makes it possible to present online from browser to browser. Simply upload your PDF presentation or document with one click...

    Freemium Mac Windows Linux Web / Cloud Windows Mobile Android ... iPhone Java Mobile S60 HP webOS Blackberry Chrome OS Windows RT Android Tablet BSD Windows Phone iPad Self-Hosted Blackberry 10 PlayBook Apple Watch tvOS Android Wear Kindle Fire Haiku Pebble

  • Phoner icon

    Phoner

    Softphone for VoIP, CAPI und TAPI. This application enables voice connections to landline, cellular network and VoIP. Phoner can be...

    Free Windows

  • Bleep icon

    Bleep

    Private instant messaging via secure, distributed technology. Download & Go Enjoy the benefits of having an account without...

    Free Mac Windows Android iPhone Android Tablet iPad