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    • Modern concurrency tools including agents, futures, promises, thread pools, supervisors, and more. Inspired by Erlang, Clojure, Scala, Go, Java, JavaScript, and…
      Ruby
      Other
      4115.8k482Updated Apr 20, 2026Apr 20, 2026
    • ref

      Public archive
      A weak reference implementation for Ruby that works across runtimes (MRI, REE, Jruby, Rubinius, and IronRuby)
      Ruby
      MIT License
      96401Updated Nov 17, 2020Nov 17, 2020
    • thread_safe

      Public archive
      Thread-safe collections for Ruby (merged with concurrent-ruby)
      Java
      Apache License 2.0
      2019210Updated Aug 28, 2020Aug 28, 2020
    • atomic

      Public archive
      Atomic references for Ruby (merged with concurrent-ruby)
      Ruby
      Apache License 2.0
      22500Updated May 10, 2018May 10, 2018
    • Redirect organization pages to concurrent-ruby pages
      HTML
      0000Updated Feb 26, 2017Feb 26, 2017
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