kerio client

Twucket is a new Twitter client for Mac OS X Leopard.

Jabber/XMPP chat client.

LoudHush is an Asterisk PBX IAX client.

A new open-source mail client for Mac OS X.

Clutch is a WebUI for the Transmission BitTorrent client

S3 Browser is a free client interface for Amazon S3 Service.

Software designed to streamline the process of analyzing a client’s space.

Jollat is a cross-platform graphical client for Amazon Web Services

iFire is a unofficial client of the popular gaming instant messenger Xfire

Voice Mac is a client for Google Voice