There are 3 repositories under systems-language topic.
A friendly little systems language with first-class types. Very WIP! 🚧 🚧 🚧
Cone Programming Language
A fast functional language based on two level type theory
C* is a hybrid low-level/high-level systems programming language focused on performance and productivity.
café, a systems language
Homoiconic C - a universal data format for computation
Commnad line game. You're a secret agent and do maths for hack... HAVE FUN!