Trillian is a proprietary multiprotocol instant messaging application.

CloudBuckit is a desktop application that connects all of your cloud storages and FTP servers in one place.

Twicca is Twitter Client for Android.

IM+ supports simultaneously major IM services, including Google Talk, Twitter DMs, Yahoo!, AIM/iChat, ICQ, Jabber (and Slack through Jabber), etc.

Material Design ready and feature rich Twitter app for Android.

Social Frame is a digital photo frame app that automatically updates new photos from Facebook & Twitter.