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).

Supports SOCKS4(a), SOCKS5, HTTP (tunneling) proxy and provides sync and async (asyncio, trio, curio, anyio) APIs.

This is the GNU Fortran compiler for the hppa-linux-gnu architecture, which compiles Fortran on platforms supported by the gcc compiler. It uses the gcc backend to generate optimized code.

This is the GNU Fortran compiler for the powerpc64-linux-gnu architecture, which compiles Fortran on platforms supported by the gcc compiler. It uses the gcc backend to generate optimized code.

This is the GNU Fortran compiler, which compiles Fortran on platforms supported by the gcc compiler.

A Long class for representing a 64 bit two's-complement integer value derived from the Closure Library for stand-alone use and extended with unsigned support.