Lynis

Lynis is a battle-tested security tool for systems running Linux, macOS, or Unix-based operating system. It performs an extensive health scan of your systems to support system hardening and compliance...
Language(s): Shell script
Operating system(s): FreeBSD, Linux, macOS, OpenBSD, Solaris
License: GPLv3

Mozilla Thunderbird

Thunderbird is a free email application that’s easy to set up and customize - and it’s loaded with great features!...
Language(s): C, C++, JavaScript, CSS, XUL, XBL
Operating system(s): Windows XP SP2 or later, OS X 10.9 or later, FreeBSD, Linux
License: Mozilla Public License 2.0

NWChem

NWChem aims to provide its users with computational chemistry tools that are scalable both in their ability to treat large scientific computational chemistry problems efficiently, and in their use of ...
Language(s): C, C++, Fortran, CUDA/OpenCL
Operating system(s): Linux, FreeBSD, Unix, Microsoft Windows, Mac OS X
License: Educational Community License 2.0

Natron

Open Source Compositing Software for VFX and Motion Graphics. Cross platform & open-source compositor for visual effects and motion graphics industry, Natron is a powerful Digital Compositor that can ...
Language(s): C++, Python
Operating system(s): Linux, Mac OS X, FreeBSD, Windows
License: GNU General Public License version 2 or later

Nginx

Nginx is a web server which can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache. The software was created by Igor Sysoev and first publicly released in 2004. A company of the...
Language(s): C
Operating system(s): BSD variants, HP-UX, IBM AIX, Linux, macOS, Solaris, Windows, and other Unix/Linux flavors.
License: 2-clause BSD