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.
Vincent ES 1.x is a 3D rendering library based on the OpenGL (R) ES 1.1 API specification (Common Lite) for embedded devices. ATTENTION: A new fixed pipeline implementation is being work on here: https://sourceforge.net/projects/oglsc
PocketGCC is a port of well-known GNU C/C++ compiler and Binutils for ARM-WinCE-PE platform. Both crosscompiler and native builds are provided, allowing to develop applications for WindowsCE devices with ARM-compatible processor on the go without desktop
Falconer-Try Studios is developing this new gaming engine for 2D, 3D and soon VR environments. It will be best for RTS and FPS games. See the documentation for more data.