Snap 10.0.0 Released, some highlights:
• Blocks all the way
• Metaprogramming
• New "Code to Blocks to Code" library, translates text code to blocks and vice-versa
• New live coding "performer mode" setting
• Matrix-kernel convolutions
• New LISP-like text syntax for blocks and scripts
Play with it here:
https://snap.berkeley.edu/snap/snap.html