FMSLogo

A LISP without parenthesis. A REPL with immediate access to graphics. It has allowed me to quickly load text files with data to analyze and graph, to implement and explore analytic geometry functions and artificial intelligence procedures, and to develop small programs that would otherwise required much bulkier development environments.

I have been teaching Logo to middle school students since the late 90's. MSW Logo and FMS logo have been my go to. If you are interested in the track us down on YouTube - HLModTech. Thanks for all you do!

Good Logo environment. My child uses it at school. One disadvantage is this app is for Windows. But I agree it works fine under Linux via Wine.

The Logo language is not just "turtle graphics" and the FMSLogo implementation is an invaluable and actively supported teaching tool that unleashes the Logo potential in several different contexts, allowing the students to learn even very complex programming topics (without having to deal with the natural language barrier for those that don't speak English, as the entire Logo language can be - and has already been - translated in several other natural languages).

Not just for teaching children! After considering Visio and CAD programs, I chose MSWLogo and now FMS Logo to create algorithm based drawings for patent applications and product designs, including animated gifs for demonstrations. Runs fine on Linux too, via Wine. If I had to do it over again, I might have used python and its turtle module, especially if the imageio module had been available back then.