stack-based topic
kempe
Kempe is a compiled stack-based language
runtime
Custom implementation of the Arma script language SQF
paradoc
GolfScript/CJam-inspired stack-based programming language that can be golfed or written literately*
esta
Interpreted language and bytecode VM of my own design written in Rust [Unmaintained]
dclang
dclang, an RPN language descending from dc and forth.
stax
Stax Golfing Language
stck
stck is a stack-based programming language
Keg
A stack-based esolang with condensability as well as simplicity and readability in mind.
cod
cod programming language
alice
A feature-rich, two-dimensional, recreational programming language. With mirrors.