Recreate basic Unix command line tools
Create a ASCII table and hex dumper using only system calls for I/O.
Convert a C ASCII table printer to X86_64 nasm assembly.
Another C conversion to X86_64 nasm assembly, but now with command line parameters.
Yet more C conversion to X86_64 nasm assembly, when will it enough?
Create a shared library for lexing JSON.
Complete a shared library to parse JSON.
Extend the simple C like language interpreter/compiler