ns-3 is a discrete-event network simulator for Internet systems, targeted primarily for research and educational use. ns-3 is free software, licensed under the GNU GPLv2 license, and is publicly available for research, development, and use. ns-3 is intended as an eventual replacement for the popular ns-2 simulator. The project acronym “nsnam” derives historically from the concatenation of ns (network simulator) and NAM (network animator).

GNAT is a compiler for the Ada programming language. It produces optimized code on platforms supported by the GNU Compiler Collection (GCC).

gpg-sq is Sequoia's alternative implementation of a tool following the GnuPG command line interface. It provides a drop-in but not feature-complete replacement for the GnuPG project's gpg.

Create a list of hash paths that match a given pattern. You can also generate a hash with only the matching paths.

This package is part of ROS 2, the Robot Operating System. ROS 2 uses the OMG Data Distribution Standard (DDS) as middleware layer, which in turn relies on the Interface Definition Language (IDL) to define the messages which can be exchanged between ROS network participants. For historical reasons, ROS has its own message definition format; the ROS 2 IDL support layer is responsible for transforming the ROS message format to the IDL format.

GLUT is a window system independent toolkit for writing OpenGL programs, implementing a simple windowing API, which makes learning about and exploring OpenGL programming very easy.