Clover2 can be used as shell. The completion is powerfull like IDE. Also clover2 is a Ruby-like compiler language with static type like Java. This is high performnace. Please see the wiki for details
neo-c is modern object oriented c transpiler. It has reffrence count GC with memory leak detector. self-hosted with zero memory leaks. Optionaly can use boehmgc instead of refference count gc