Social Software

Discourse is an open source discussion platform built for the next decade of the Internet.

Free, open source and cross platform messaging and emailing app that combines common web...

Unison is for business: a fast messenger and group collaboration tool that lets teams work much...

Pinegrow is a desktop app that lets you build responsive websites faster with live multi-page...

Disqus offers the best add-on tools for site owners to power discussions, increase engagement, and...

Meebo is integrated, all-in-one instant messaging (IM client) that connects you with your friends...

Gather feedback and support customers with effective self-service solution

Choose simplicity, get Cozy.

LINE is a Japanese proprietary application for instant messaging on smartphones and PCs.

Chat everywhere! IM+ is the most widely used mobile IM app! Connect all-in-one to MSN, Yahoo!, Goo...

Real-time chat & texting for business teams. Free on Mac, Windows, Web, Android, and iPhone

RetroShare is a open source cross-platform, private and secure decentralized communication system.

Uptime, Service Health and Performance Monitoring

Voat is a censorship-free community platform based in Switzerland where content is submitted...

Fast, clean and unique feed reader

Tiki Wiki CMS Groupware is a full-featured, web-based, multilingual (40+ languages), tightly...

Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.

Tweetbot is an award-winning Twitter client for iOS and the Mac.

Follow your favorite blogs and discover new ones.

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Echofon is the fastest, most powerful Twitter app for iPhone, iPod Touch and iPad and the ONLY free...

Gwibber is an open source microblogging client for GNOME developed with Python and GTK.

"All-in-one" team collaboration & project management app.

Irssi is a terminal based IRC client for UNIX systems.

PixelFed is a federated image sharing platform, powered by the ActivityPub protocol.

Franz is a free messaging app / former Emperor of Austria and combines chat & messaging...

Website Builder

Ekiga (formely known as GnomeMeeting) is an open source VoIP and video conferencing application for...

OpenSource note-taking & archiving alternative to Evernote, Microsoft OneNote & Google Keep

Raptr is a free social networking website and computer program targeted towards video game players.