There was also TinyVM/leJOS, which ran on a Renesis H8 with 32K (quite generous for the time, and even today for an 8-bit!) of RAM. You could program your Lego

There was also TinyVM/leJOS, which ran on a Renesis H8 with 32K (quite generous for the time, and even today for an 8-bit!) of RAM. You could program your Lego Mindstorms with Java and I remember it being quite mind-blowing for the time.