A free FORTH intended for education and learning that runs on a $10 experimenter board from Texas Instruments. Also freely available are a Windows IDE and several demonstration programs.
FORTH is a tiny language, with only a few basic concepts, suitable for people who are new to computers. It found success in the 1980s mainly in embedded systems. It also has a proud history in space research and astronomy.
With this extremely inexpensive solution, a wide audience can now learn programming by doing.
Available at 4E4th Website
A software package that aids with biological pest control sampling and deployment (eg pheromone traps). Intended for forestry, agriculture and horticulture. License available from CFS.
Canadian Forest Service fact sheet (English & French) http://cfs.nrcan.gc.ca/factsheets/biosim
The classic cellular automata simulation. Select from several popular pre-loaded patterns or create your own. Page includes a link to the original 1970 article in Scientific American.
An interesting model of an ‘evolved watch’ meant to refute the ‘smashed watch in a bag’ argument often put forward by intelligent design supporters.
An excellent SQL tutorial with embedded SQLite engine. Highly interactive, learn by doing.