The NT POSIX C Runtime Library is an IEEE standard runtime library for the NT POSIX subsystem. It can be used as a complete replacement or a side by side alternative for what is shipped with the Interix SDK.
TrueProgrammer by TrueTech is the first multi-platform, multi-language IDE/compiler for developers. The system works with BASIC, Tcl, Assembly, C++ and more. Currently, the project is in early production in TCL/TK.
Mipscope is a cross-platform IDE for students learning assembly on the MIPS architecture. The focus is on a convenient debugging environment, including a visual, reversible debugger.