PySCeS Constraint Based Modelling
Dungeon free resources (terrain & roguelike generation)
GeckoCIRCUITS is THE circuit simulator for modeling power electronics
Biomolecular electrostatics software
Radial-velocity & transits analysis tool for exoplanets
music composition and notation software, audio to midi converter
Cellular Automata library for SUPercomputers (CASUP)
A framework for simulating open quantum dynamics
A control software for GRBL-powered milling machines
PPface is vector processor emulator / simulator
Parallel simulators for Membrane Computing on the GPU
Digital Signal Processing Simulation
Controls processing and daylight simulation with hierarchical models.
professional open source software for LCA
vinylsimtool: simulation of vinyl record playback