Apps for all platforms with Open Source License

Platforms

Desktop

Mobile

Web / Online

Show 53 less popular platforms
  • YaBB

    YaBB is a free Perl forum (bulletin board) system that has rivaled professional message boards for years. YaBB provides chat for visitors where they can post any time and reply to anyone!.

     

    YaBB icon

    Free Open Source Mac Windows Linux Web Self-Hosted Perl

  • Nextcloud Talk

    Screensharing, online meetings & web conferencing without data leaks. Running over your own Nextcloud server.

     

    Nextcloud Talk icon

    Free Personal Open Source Web Android iPhone iPad Self-Hosted

  • Talk

    A free group video call app with screen sharing. It is built using WebRTC, so all your video chat is peer-to-peer. Group video call is achieved using WebRTC mesh.

     

    Talk icon

    Free Open Source Self-Hosted Software as a Service (SaaS)

  • Live Talk

    Live talk Free Random Video Chat app lets you to talk and interact with people from around the world.

     

    Live Talk icon

    Free Open Source Android Android Tablet

  • Nextcloud

    A safe home for all your data – Access & share your files, calendars, contacts, mail & more from any device, on your terms.

     

    Nextcloud icon

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

  • NewsBlur

    NewsBlur is a personal news reader that brings people together to talk about the world. It shows you the original site and allows you to read stories directly off the site while keeping track of what you read.

     

    NewsBlur icon

    Freemium $ $ $ Open Source Web Android iPhone iPad Kindle Fire Software as a Service (SaaS)

  • Standard Notes

    Standard Notes is a simple and private notes app. It allows you to write and sync your notes across all your devices, including your iPhone, iPad, Mac, and web browser.

     

    Standard Notes icon

    Freemium $ $ $ Open Source Mac Windows Linux Web Android iPhone Chrome OS Android Tablet ... iPad Self-Hosted

  • 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.
  • WebTorrent

    WebTorrent Desktop is able to instantly stream and play right away video and audio. You don't have to wait for it to finish downloading. It is the first torrent client built for the web.

     

    WebTorrent icon

    Free Open Source Mac Windows Linux Self-Hosted Chrome Safari Opera Node.JS ... Chromium Firefox

  • XChat for Linux

    XChat is an IRC chat program for both Linux and Windows. It allows you to join multiple IRC channels (chat rooms) at the same time, talk publicly, private one-on-one conversations etc. Even file transfers are possible. .

     

    XChat for Linux icon

    Free Open Source Windows Linux

    • Discontinued
      The program is no longer updated. Last version, 2.8.8, released in May 2010, can be still downloaded from the official website.
  • Sandstorm.io

    Sandstorm makes it easy to run your own server. Install apps to create documents, spreadsheets, blogs, Git repos, task lists & more as easily as you'd install apps on your phone.

     

    Sandstorm.io icon

    Free Open Source Linux Web Self-Hosted Meteor

  • Instantbird

    Instantbird is an instant messaging client based on Mozilla XULRunner and the open source library libpurple created by the software developers of Pidgin .

     

    Instantbird icon

    Free Open Source Mac Windows Linux PortableApps.com

    • Discontinued
      Site last updated 2013. Site security certificate expired April 2017.
  • Gitter

    Gitter is a chat and collaboration tool for developers and users. It's a place for developers to talk.

     

    Gitter icon

    Free Open Source Mac Windows Linux Web Android iPhone

  • EncFS

    EncFS provides an encrypted filesystem in user-space. It runs without any special permissions and uses the FUSE library and Linux kernel module to provide the filesystem interface. You can find links to source and binary releases below.

     

    EncFS icon

    Free Open Source Mac Linux BSD

  • Disa

    Disa is your new messaging hub. Conversations from different services can seamlessly be joined together, or disbanded within seconds.

     

    Disa icon

    Free Open Source Android Android Tablet Kindle Fire

  • Ripple

    Ripple is a monetary system that makes simple obligations between friends as useful for making payments as regular money.

     

    Ripple icon

    Free Open Source Web

  • Wayland

    Wayland is intended as a simpler replacement for X, easier to develop and maintain. GNOME and KDE are expected to be ported to it.

     

    Wayland icon

    Free Open Source Linux

  • Oh My Zsh

    Oh My Zsh is an open source, community-driven framework for managing your zsh configuration. That sounds boring. Let's try this again.

     

    Oh My Zsh icon

    Free Open Source Mac Windows Linux BSD zsh

  • XSane

    XSane is a graphical scanning front-end for SANE (Scanner Access Now Easy). It uses the SANE-library to talk to scanners.

     

    XSane icon

    Free Open Source Mac Windows Linux AmigaOS

    • Discontinued
      The program is no longer updated. Last version, 0.998, released in November 2010, can be still downloaded from the official website.
  • Linux Lite

    Linux Lite is a beginner-friendly Linux distribution based on Ubuntu LTS and featuring the Xfce desktop.

     

    Linux Lite icon

    Free Open Source Linux

  • BeeBEEP

    BeeBEEP is a secure network chat. You can talk and send files with all your friends inside a local area network such of an office, home or internet cafe without a server. BeeBEEP is already included in BeeFee OS.

     

    BeeBEEP icon

    Free Open Source Mac Windows Linux

  • BitlBee

    BitlBee brings IM (instant messaging) to IRC clients. It's a great solution for people who have an IRC client running all the time and don't want to run an additional MSN/AIM/whatever client.

     

    BitlBee icon

    Free Open Source Mac Windows Linux BSD

  • FreedomBox

    The FreedomBox Project is a community project to develop, design and promote personal servers running free software for private, personal, communications.

     

    FreedomBox icon

    Free Open Source Linux

  • CuteCom

    CuteCom is a graphical serial terminal aimed mainly at hardware developers or other people who need a terminal to talk to their devices.

     

    Free Open Source Mac Linux FreeBSD

    • Discontinued
      The project is no longer developed. Last version, 0.22.0, released in June 2009, can be still downloaded from the official website. It does not support terminal type emulation.