Apps for Linux with any license

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Show 40 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

  • Thunderbird

    Thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. The project strategy is modeled after Mozilla Firefox.

     

    Free Open Source Mac Windows Linux BSD PortableApps.com Haiku

  • Steam

    Steam is a digital distribution, digital rights management, multiplayer and communications platform developed by Valve Corporation.

     

    Freemium Mac Windows Linux Web Android iPhone Android Tablet iPad

  • Picasa

    Picasa is a software download from Google, that helps you organize, edit, and share your photos. The local application usage and the online storage up to 1 GB is free, and it is easy to use. The online version is called Picasa Web Albums.

     

    Freemium Mac Windows Linux Chrome OS Wine

    • Discontinued Google retired Picasa in favor of https://alternativeto.net/software/google-photos/ .
  • Spotify

    Spotify is a commercial music streaming service providing digital rights management-restricted content from record labels including Sony, EMI, Warner Music Group and Universal.

     

    Freemium $ $ $ Mac Windows Linux Web Android iPhone Blackberry Chrome OS ... Windows S Android Tablet Windows Phone iPad Apple TV Kindle Fire Playstation Fire TV Xbox

  • Pidgin

    Pidgin is an easy to use, multi-protocol chat client client used by millions. Connect to AIM, MSN, Yahoo, XMPP, and more chat networks all at once.

     

    Free Open Source Mac Windows Linux BSD PortableApps.com Xfce

  • WordPress

    WordPress is a state-of-the-art publishing platform with a focus on aesthetics, web standards, and usability. More simply, WordPress is what you use when you want to work with your blogging software, not fight it.

     

    Freemium $ $ $ Open Source Mac Windows Linux Web Android iPhone Blackberry BSD ... iPad Self-Hosted PHP Cloudron

  • 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

  • calibre

    Calibre is a free and open source e-book library management application made by users, for users. Many languages, designed around the concept of the logical book, i.e.

     

    calibre icon

    Free Open Source Mac Windows Linux BSD

  • Slack

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

     

    Slack icon

    Freemium Mac Windows Linux Web Android iPhone Windows S BSD ... Apple Watch Electron / Atom Shell

  • 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 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

  • Tox

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

     

    Tox icon

    Free Open Source Mac Windows Linux Android iPhone Android Tablet BSD

  • 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

  • Diaspora

    Diaspora is a federated social networking service, designed to be a more privacy-aware alternative to Facebook . Share what you want, with whom you want. Diaspora lets you sort your connections into groups called aspects.

     

    Diaspora icon

    Free Open Source Linux Web BSD Self-Hosted Ruby

  • StumbleUpon

    StumbleUpon discovers web sites based on your interests, learns what you like and brings you more.

     

    StumbleUpon icon

    Free Windows Linux Web Android iPhone iPad Chrome Firefox

    • Discontinued StumbleUpon is moving to Mix on June 30th. -
  • 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 BSD

  • Trillian

    Trillian is an instant messaging app that works on phones, tablets, and desktops while keeping your chats neatly synchronized between all of them! We think conversation should be easily shared between all of your devices, not trapped as...

     

    Trillian icon

    Freemium Mac Windows Linux Web Android iPhone Blackberry iPad

  • Mendeley

    Mendeley helps manage and share academic knowledge: Mendeley Desktop is free academic software (Windows, Mac, Linux) for organizing and sharing research papers and generating bibliographies with 1GB of free online storage to automatically...

     

    Mendeley icon

    Freemium Mac Windows Linux Web Android iPhone iPad

  • Tixati

    Tixati is a peer-to-peer file sharing program that uses the popular BitTorrent protocol. This protocol allows many peers to form a cooperative swarm and download very large files with great efficiency.

     

    Tixati icon

    Free Personal Windows Linux

  • 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 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

  • HexChat

    HexChat is an IRC client based on XChat for Linux , but unlike XChat it’s completely free for both Windows and Unix-like systems.

     

    HexChat icon

    Free Open Source Windows Linux BSD PortableApps.com Xfce MacPorts XQuartz