messaging application

Instant messaging server.

Popular instant messaging client supports a plethora of services.

Encrypted BBS style client for chat, messaging, and transfers.

Highly Secure Email, Chat, Instant Messaging, and Collaboration.

Native OS X desktop client for the Yammer messaging service.

Instantbird is a multi-protocol Instant Messaging client.

Enterprise messaging/collaboration software.

File management application (was File Cabinet).

Bottle Windows apps as Mac application bundles.

Powerful, free image editing application; now a native Mac app.