A scientific plotting library for C/Fortran built on cairo
A canvas library for generating technical drawings
Plugins for OpenCPN
Digital circuit simulator
Industry standard communication with compliant image generators.
On-screen virtual keyboard
Open Source Solid Modeling CAD
A collection of machine-checkend mathematical proofs
Portable OS X FOSS applications
a free cross platform checksum utility, supports 58+ hash algorithms
A simulator for biological and physiological models
a free cross platform precise unit converter, supports 6000+ units