understands

C, C++, Unix, Linux, Python, Qt, OpenGL, PyQt, Shell Scripting, Software Packaging via Windows Installer MSI, Google C++ Mock Framework, Git, make build system and others.

can pitch in with

Technical support, technical writing, bug fixing, product enhancements ...

can mentor in

Git, C, C++, Python, XWindows/Motif

is interested in helping

SymPy, OpenSCAD, MV3D