TinyPic is a photo and video sharing service.

Trillian is a proprietary multiprotocol instant messaging application.

Digsby provides you with IM, email and Social networks in one easy to use application.

AddThis is a social bookmarking service that can be integrated into a website with the use of a web widget.

SoundClick is a music-based social community.

Animoto is a cloud-based video creation service that produces video from photos, video clips, and music into video slideshows.

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