1. xyzshInteractive shell and text processing tools
2. neo-c2Modern C compiler. LLVM-C Based. Self-host . Generics. inline function, method block, protocol. Collection, string libraries using boehm GC.
3. clover2Clover2 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
4. neo-cYet another modern compiler. It is also C compiler. Using LLVM wih boehmGC