Here is a list of all documented modules with brief descriptions:

Mrstd.alloc
Mrstd.basic
Mrstd.core
Mcppstd
Mrstd.cppstd
Mrstd.log
Mrstd.runtime	The rstd runtime module, providing process initialization and basic runtime support
Mrstd.error
Mrstd	The rstd standard library module, re-exporting all public submodules