Redmine

Redmine is a free and open source, web-based project management and issue tracking tool. It allows users to manage multiple projects and associated subprojects. It features per project wikis and forum...
Language(s): Ruby on Rails
Operating system(s): N/A
License: GNU General Public License v2

SciPy

SciPy (pronounced “Sigh Pie”) is a Python-based ecosystem of open-source software for mathematics, science, and engineering. In particular, these are some of the core packages: NumPy, SciPy library, M...
Language(s): Python, Fortran, C, C++
Operating system(s): Cross-platform
License: BSD-new license

Scilab

Scilab is free and open source software for numerical computation providing a powerful computing environment for engineering and scientific applications. Scilab is released as open source under the Ce...
Language(s): Scilab, C, C++, Java, Fortran
Operating system(s): BSD, FreeBSD, Linux, Mac OS, Windows
License: GPLv2

SeaMonkey

Web-browser, advanced e-mail, newsgroup and feed client, IRC chat, and HTML editing made simple—all your Internet needs in one application. SeaMonkey is a free and open-source Internet suite. It is...
Language(s): C++, XUL, XBL, JavaScript
Operating system(s): Windows, Mac OS, Linux
License: MPL / GPL / LGPL

Shorewall

Shorewall is an open source firewall tool for Linux that builds upon the Netfilter (iptables/ipchains) system built into the Linux kernel, making it easier to manage more complex configuration schemes...
Language(s): Perl
Operating system(s): Linux
License: GPLv2+