Cuadro+ Thermal Simulator and Benchmarker simulates the thermal history of a chip being cooled by a heatsink and forced convection.
ReynoldsMark is Computational Fluid Dynamics software. It numerically computes a laminar flow field around a submerged body through a finite differencing and artificial compression schemes. The system's performance is assessed by measuring runtime.
A GNU/Linux rescue CD that comes with Rescapp, a nice wizard that will guide you through your rescue tasks.
A GUI client for Git, Mercurial, and SVN.