Libraries for woking with processes or threads
- childprocess - Cross-platform ruby library for managing child processes.
- forkoff - brain-dead simple parallel processing for ruby.
- Parallel - Run any code in parallel Processes (> use all CPUs) or Threads (> speedup blocking operations).
- posix-spawn - Fast Process::spawn for Rubys >= 1.8.7 based on the posix_spawn() system interfaces.