Download Elastix 2.3.0 Beta 1

Elastix is a free and open source Unified Communications Server software which unifies IP PBX, email, IM, faxing and collaboration functionality. It has a Web interface and includes capabilities such as a Call Center software with predictive dialing.It is based on open source projects including Asterisk, HylaFAX, Openfire and Postfix. Those packages offer the PBX, fax, instant messaging and email functions, respectively.

Download Mumble 1.2.3

Mumble is a free, open-source, cross-platform voice over IP application originally developed by Thorvald Natvig. Its primary users are gamers. Mumble uses a client–server architecture where users who want to talk connect to the same server.

The main feature of Mumble is Low latency and superior quality call. Communication via Mumble is encrypted to ensure user privacy.