Twinkle - Open Source VoIP Solutions

Open Source VoIP Application

Twinkle is a open source software application for Voice over Internet Protocol (VoIP) voice communications in IP networks, such as the Internet. It is designed for GNU/Linux operating systems and uses the Qt toolkit for its graphical user interface. For call signaling it employs the Session Initiation Protocol (SIP). It also features direct IP-to-IP calls. Media streams are transmitted via the Real-time Transport Protocol (RTP) which may be encrypted with the Secure Real-time Transport Protocol (SRTP) and the ZRTP security protocols.

Phplist - Open Source Mailing Softwares

Phplist is the world's most popular open source email campaign manager. phplist is easy to install and use, and is easy to integrate with any website.

Phplist - Open Source Mailing Softwares

poMMo is very good mailing list software. It’s a open source software. poMMo is versatile mass mailing software. It can be used to add a mailing list to your Web site or to organize stand alone mailings. Unique Features such as the ability to mail subsets of your subscribers set it apart from alternatives. poMMo is written in PHP

7Zip- Open Source Archive

The Best Zip Compression Utility

7-Zip is open source software. Most of the source code is under the GNU LGPL license. The unRAR code is under a mixed license: GNU LGPL + unRAR restrictions. You can use 7-Zip on any computer, including a computer in a commercial organization.