Boost Library

Asio
    Portable networking, including sockets, timers, hostname resolution and socket iostreams.
    Author(s)        Chris Kohlhoff
    First Release    1.35.0
    Standard        
    Build & Link        
    Categories       Concurrent Programming, Input/Output

Interprocess
    Shared memory, memory mapped files, process-shared mutexes, condition variables, containers and allocators.
    Author(s)        Ion Gaztañaga
    First Release    1.35.0
    Standard        
    Build & Link      Header only
    Categories       Concurrent Programming

Thread
    Portable C++ multi-threading.
    Author(s)        Anthony Williams (originally William Kempf)
    First Release    1.25.0
    Standard        Proposed
    Build & Link     Automatic linking
    Categories      Concurrent Programming

Timer
    Event timer, progress timer, and progress display classes.
    Author(s)        Beman Dawes
    First Release    1.9.0
    Standard      
    Build & Link      Header only

    Categories       Miscellaneous

 

 Pool
    Memory pool management.
    Author(s)        Steve Cleary
    First Release    1.21.0
    Standard        
    Build & Link      Header only
    Categories       Memory