Mastodon - Mastodon is a decentralized, open source social network. This is just one part of the network, run by the main developers of the project It is not focused on any particular niche interest - everyone is welcome!

MirrorFly - World's Most Scalable Voice, Video & Chat SDK for Small, Medium & Enterprises

Amarok - The Amarok team is proud to announce the immediate availability of the result of 2 years of hard work, the beta release of Amarok 2. 9. This release is marked by improvements, corrections and polishing of nearly all Amarok features.

echofin - Echofin helps communities grow, engage and monetize their following in ways no other platform has done so far.

Tweetbot - Sync your timeline across your iPhone, iPad, and Mac. Mute tweets by user, hashtag, tweet source, or keywords (including regex). 3rd Party support for image, video, read later, and timeline sync services.

chatwee - Group chat app for online communities. Used wherever visitor interaction and engagement are key to the site's functioning.