Replacement for GPL/GNU tools.
Major libraries:
- glibc: musl libc (could be relicensed)
- libstdc++: libc++
- libsupc++: libcxxrt
- libgcc: compiler-rt
- libgcc_s: libunwind
Basic utilities:
- binutils: elftoolchain
- groff: mdocml
- coreutils: toybox
- gcc/g++: clang/llvm
Other stuff (not such important, some of this should be in toybox at some point):