Convert video formats with custom concurrency, batch size, and conversion delay

A wrapper that allows method calls to multiple objects with various concurrency models

Prevent multiple sidekiq jobs with the same arguments from running at the same time.

Support library to provide Futures and Promises for different concurrency models.

A gem for doing concurrency locks using a TCP port.

Provides an extension API for MRI that enables better performance and is safe on Ruby implementations with modern garbage collection and concurrency facilities.

Massive concurrency with message-passing and stuff.

FastFind is a high-performance Find alternative for Ruby implementations with effective thread concurrency, particularly JRuby.