Project Management & Bug Tracking Tool

Open Source project management and bug tracking software

Redmine is an open source, web-based project management and bug-tracking tool. It includes a calendar and Gantt charts to aid visual representation of projects and their deadlines. It handles multiple projects. Redmine provides integrated project management features, issue tracking, and support for various version control systems.

Trac - Open Source Bug Tracking

Trac is an open source web-based project management and bug tracking system. Trac is written in the Python programming language. Trac uses a minimalistic approach to web-based software project management. Our mission is to help developers write great software while staying out of the way. Trac should impose as little as possible on a team's established development process and policies.

Linphone – Internet Phone

Open-source VoIP software

Linphone is an internet phone or Voice Over IP phone (VoIP). Linphone let you communicate freely with people over the internet, with voice, video, and text instant messaging. Linphone makes use of the SIP protocol, an open standard for internet telephony. This open source VoIP software can be used with any SIP VoIP operator.
Linphone is available for desktop computers: Linux, Windows, MacOSX, and for mobile phones: Android, iPhone, Blackberry. Linphone is portable with: Linux/x86 and Linux/x86-64, Windows XP and Vista, MacOS X x86, Google Android, Iphone OS, Blackberry OS, WebOS, FreeBSD and OpenBSD - with minor modifications.

SflPhone – SoftPhone for GNU/Linux

SflPhone – The free software enterprise-class SoftPhone

SFLphone is a robust, standards-compliant enterprise softphone, for desktop and embedded systems. It is designed to handle several hundred calls a day.SFLphone is one of the few soft phones under Linux to support Pulse Audio out of the box. The Ubuntu documentation recommends it for enterprise use because of features like conferencing and attended call transfer. It has been named by CIO magazine among the 5 open source VoIP soft phones to watch.