Crittersim is a simulation program that runs a section of a virtual world. There are plants and animals and a semblance of natural selection going on.
Enigma Simulator is a program that simulates the use of Enigma ciphering machines that were commonly used by Nazi Germany during World War II.
FIR Coefficient Finder
(commercial) FIR Coefficient Finder will allow you to quicklly generate FIR filter coefficients for a variety of filter types.
MacFDTD is a silicon layout and simulation program. Features include: GDSII export, simulations can be interruted before completion, and any simulation can be saved or continued later, and equations have support for basic trig functions.
(commercial) ODLog is an easy-to-use application for the accurate timing and recording of observational data. ODLog is typically used by scientists in: naturalistic field observation studies, animal behavioral experiments, and human psychological experiments.Data are stored in text format and can easily be imported into any spreadsheet (e.g., Microsoft Excel) or statistical package (e.g., SPSS) for analysis.