Piet

I think the use of color in syntax is very interesting. I first heard of this idea in ColorForth.


Sorting in ColorForth.

Piet is awesome and takes this to a whole new level! Here are some sample programs:


Prints "Piet".


A random number generator.

I, for one, welcome our new app-inventing grandchildren of Interlisp overlords

Outlining! 2D forms!

App Inventor for Android is based on OpenBlocks, which looks very much like Scratch, but uses Kawa instead of Squeak.

All of this stuff seems to use a dataflow/event-driven layer instead of a "common" programming language. I wonder if such 2D forms would also be useful as a syntax for an ordinary PL... Need to investigate more...