The A32NX & A380X Project are community driven open source projects
VHDL 2008/93/87 simulator
Model-rocketry aerodynamics and trajectory simulation software
An interior design application to draw house plans & arrange furniture
A Dassault Aviation project to simplify the building of prototypes
Data Analysis, Simulations and Visualization on the Sphere
JASI - Java Event-Based Simulation Framework
Digital Circuits Design and Simulation
Queueing Theory Algorithms
For monitoring and control of distributed generation and consumption
Virtual X-Ray Imaging Library on GPU
Class library for computational cybernetics
Component, CA, and CCA models; superdense time, DB repo, testing, etc.
Use simulation to perform statistical analyses.
Frevo is probably the simplest tool for evolutionary design
A simulation library for discrete event and hybrid dynamic systems.
Water & steam properties Java library