Apps for all platforms with any license

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Show 26 less popular platforms
  • Skype

    An instant messaging app that provides online text message and video chat services.

     

    Freemium Mac Windows Linux Web Android iPhone Blackberry Chrome OS ... Windows S Android Tablet BSD Windows Phone iPad Apple Watch Android Wear PortableApps.com

  • 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.

     

    Free Mac Windows Linux Web Windows Mobile Android iPhone Blackberry ... Android Tablet BSD Windows Phone iPad Apple Watch Android Wear PortableApps.com FreeBSD

  • WhatsApp Messenger

    WhatsApp Messenger is a cross-platform mobile messaging app which allows you to exchange messages without having to pay for SMS.

     

    WhatsApp Messenger icon

    Free Mac Windows Web Android iPhone S60 Blackberry Android Tablet ... Windows Phone Blackberry 10 Android Wear

  • Discord

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

     

    Discord icon

    Freemium $ $ $ Mac Windows Linux Web Android iPhone Chrome OS BSD ... iPad FreeBSD

  • OpenVPN

    OpenVPN is a full-featured open source SSL VPN solution that accommodates a wide range of configurations, including remote access, site-to-site VPNs, Wi-Fi security, and enterprise-scale remote access solutions with load balancing...

     

    OpenVPN icon

    Free Open Source Windows Linux Android iPhone Android Tablet iPad Self-Hosted Cloudron

  • 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...

     

    Signal icon

    Free Open Source Mac Windows Linux Android iPhone Android Tablet iPad Chrome ... Ubuntu Touch

  • Mumble

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

     

    Mumble icon

    Free Open Source Mac Windows Linux iPhone BSD iPad PortableApps.com

  • Viber

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

     

    Viber icon

    Freemium Mac Windows Linux Android iPhone Windows RT Android Tablet Windows Phone ... iPad Blackberry 10 Apple Watch

  • 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...

     

    Jitsi icon

    Free Open Source Mac Windows Linux Web Android iPhone BSD iPad

  • Riot.im

    Riot (formerly Vector) is an opensource interoperable app running on Web, iOS and Android.

     

    Riot.im icon

    Free Open Source Mac Windows Linux Web Android iPhone Android Tablet iPad ... Self-Hosted Chrome Safari F-Droid Firefox

  • Wire

    Wire is a secure and private messenger for phones, tablets and desktop. Crystal clear voice and video calls, private group chats, file sharing, audio and video messages - everything is end-to-end encrypted.

     

    Wire icon

    Free Personal $ $ $ Open Source Mac Windows Linux Web Android iPhone Android Tablet iPad

  • TeamSpeak

    TeamSpeak is a proprietary Voice over IP software that allows users to speak on a chat channel with other users, much like a telephone conference call. A TeamSpeak user will often wear a headset with an integrated microphone.

     

    TeamSpeak icon

    Freemium Mac Windows Linux Android iPhone Android Tablet iPad

  • Empathy

    Empathy is a messaging program which supports text, voice, video chat, and file transfers over many different protocols. You can tell it about your accounts on all those services and do all your chatting within one application.

     

    Empathy icon

    Free Open Source Linux BSD

    • Discontinued Empathy is currently unmaintained. Last version, 3.25, released in August 2017, can be still downloaded from the official website.
  • 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 call mobile or landline phones for as little as $0.

     

    Nimbuzz icon

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

  • Unison

    Unison is for business: a fast messenger and group collaboration tool that lets teams work much more quickly together, especially across different locations and time zones. It syncs instantly across your smartphone, tablet, or computer.

     

    Unison icon

    Freemium Windows Web Android iPhone Chrome OS Android Tablet iPad

    • Discontinued Unison was closed to focus on a new team chat app, FreshTeam.
  • Jami

    Voice, video and chat communications, secure, decentralized, strong privacy and freedoms.

     

    Jami icon

    Free Open Source Mac Windows Linux Android iPhone

  • 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.

     

    Linphone icon

    Free Open Source Mac Windows Linux Web Windows Mobile Android iPhone Android Tablet ... Windows Phone iPad Xfce

  • Matrix.org

    Matrix is an open standard for decentralized persistent communication over IP. It can be used for decentralised group chat, WebRTC signaling, IoT-data transfer, and generally to link together fragmented silos of communication.

     

    Matrix.org icon

    Free Open Source Mac Windows Linux Web Android iPhone Android Tablet iPad ... Self-Hosted WebRTC Python JavaScript Go (Programming Language) Java Perl

  • RetroShare

    RetroShare is a open source cross-platform, private and secure decentralized communication system. It lets you to securely chat, share photos, videos, and more, using https://alternativeto .

     

    RetroShare icon

    Free Open Source Mac Windows Linux BSD OpenSSL OpenPGP

  • LINE

    LINE is a Japanese proprietary application for instant messaging on smartphones and PCs. Line users exchange text messages, graphics, video and audio media, make free VoIP calls, and hold free audio or video conferences.

     

    LINE icon

    Freemium Mac Windows Web Android iPhone Blackberry Android Tablet Windows Phone ... iPad Apple Watch

  • Xfire Client

    Xfire is a free IM application and a tool that automatically keeps track of when and where gamers are playing PC games online and lets their friends join them easily.

     

    Xfire Client icon

    Free Windows

  • FaceTime

    FaceTime is a video calling software feature developed by Apple for the iOS and Mac OS. FaceTime makes it possible to talk, smile, wave, and laugh with anyone on an iDevice or Mac over Wi-Fi.

     

    FaceTime icon

    Free Mac iPhone iPad

  • Ekiga

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

     

    Ekiga icon

    Free Open Source Windows Linux PortableApps.com

  • Fring

    Fring is a VoIP (voice over internet) app that allows you to make 2-way video calls, voice calls and live chat for free, from your phone or iPod.

     

    Fring icon

    Freemium Android iPhone

    • Discontinued The apps seem to be no longer updated. Last versions, released in February 2014, can be still downloaded from the appstores.