Model-rocketry aerodynamics and trajectory simulation software
A cross-platform statistical package for econometric analysis
The Open Source CFD Toolbox
Data Analysis, Simulations and Visualization on the Sphere
General Mission Analysis Tool
Industry standard communication with compliant image generators.
Digital Circuits Design and Simulation
Individual-based forward-time genetics simulation software
Modular System for Shelves and Coasts
3D driving simulation based on Open Dynamics Engine
Interactive geometry software for Euclidean and non-Euclidean spaces
A High-level Utility Package for FMI-based Software Development
HP-41cx Emulator
OpenNum lets you distribute solvers with a nice graphical interface
Modbus slave simulator