free text messaging

Free voice, video, and messaging service.

Business messaging reinvented.

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.

Batch re-encoder for text files and find/replace text.