Top rated in Instant Messaging & VoIP

Chatbox makes it easy to discuss or comment on files shared over Dropbox

Simplify camera control for various tasks.

Yes Life opens you to a world of possibilities, right at your fingertips.

Advanced softphone for Mac OS X providing voice and video in an attractive interface, with intuitive functionality.

Note: TwitHaven is free to download and use, but since it stores lots of data on the HMS server there is a rental charge for continued use.

Manage Twitter profiles and materials from a Mac.

Weet allows you to easily access Twitter from your mac.

Bare bones Twitter client. It supports search and lists, user pages and the Conversation pages.

Ovolab Phlink shows you who's calling whenever the phone rings.

JFritz is a computer program to link to the FRITZ! call list.

Goober - Multi-functional messenger with TV, radio and more.

SJphone® is a VOIP softphone that allows you to speak with any other softphone.

Client that implements the CUSeeMe video conferencing protocols.

Yugma free web conferencing allows anyone, anywhere to instantly share desktop.

Having Flowdock in your Mac OS X Dock will make it easy to notice

Facebook notification application for Mac OS X.

Easiest way to share all of your music, photos, and files with anyone, instantly.

Ircle is a Macintosh (only!) program to use IRC (Internet Relay Chat).

Here, File File allows you to access all of the files on your home Mac.

A fully customizable Vonage desktop client.