We're pleased to hear from implementers that take inspiration from our work with Txtzyme.
SIMPL 10
Ken Boak tweeted mention of his Txtzyme inspired Arduino interpreter called SIMPL 10, a Serial Interpreted Minimal Programming Language. gist 
With a few clicks we found where Ken writes about SIMPL and other low cost electronic solutions for a low impact lifestyle. blog
Ken explains, "I added some maths operations + - * and / and also extended it so that it can execute code from a block of RAM instead of just the serial buffer. After my "extensions" it uses about 5.6Kbytes of program memory."