nwbintools is a machine code tool-chain containing an assembler and various related development tools. It will thus be similar to GNU's binutils, but no attempts are made to duplicate its functionality, organization, or interfaces. The assembler works on x86 ELF-based Linux and FreeBSD systems.
nwcc is a C compiler for Unix systems. It targets Linux, Mac OS X, BSD, and Solaris on 80x86 (with nasm and gas), Linux, Mac OS X, and FreeBSD on AMD64 (with yasm and gas), Solaris and Linux on SPARC (64-bit), AIX and Linux on PowerPC (32- and 64-bit), and IRIX on MIPS (64-bit). Cross-compilation is also supported. It doesn't feature any software development support beyond plain compilation.
nwsystest is a simple tool to help test full software systems (written in C or C++) - potentially consisting of multiple applications and threads - in an automated manner. It drives program execution and collects and evaluates results in accordance with textual test description files. Programs can be made testable by calling a few simple library routines to connect to the test server, receive commands from it (effectively replacing the user interface), and transfer results for verification.