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

include
stlab
concurrency
detail
libdispatch_executor_group.hpp
default_executor.hpp	Thread-pool executors mapping to the OS scheduler (libdispatch, Windows pool, portable)
executor_base.hpp	Executor type aliases and scheduling helpers
immediate_executor.hpp	Synchronous inline executor
main_executor.hpp	Executor for the application's main queue
set_current_thread_name.hpp	Set the current thread name (platform-specific)
system_timer.hpp	Asynchronous delayed execution through the process-shared timer service
task.hpp	Move-only callable wrapper for executor scheduling (task<Signature>)
pre_exit.hpp	Register and run operations that must execute before program exit