A production-ready Sidekiq gem that provides both queue-level concurrency limits and job-level throttling capabilities, combining the best of sidekiq-limit_fetch and sidekiq-throttled.

Salesforce Bulk API with governor limits taken care of, this is a fork off of yatish27/salesforce_bulk_api_serial_or_parallel that just adds serial/parallel concurrency support

Allows you to protect the execution of a block against concurrency.

Mutable and immutable concurrency variable

Declarative concurrency for EventMachine

HTTP fetch client based on ruby EventMachne and EM-HTTP-Request that has configureable concurrency regardless of EM's thread pool.

Third approach to EventMachine lightweight concurrency. Runs declared methods and blocks in sequence, each in one tick. So allows calls chaining with keeping the EventMachine multiplexing facility on.

Provides a foreign function interface for MRI that utilizes XAPI for Ruby implementations with modern garbage collection and concurrency facilities.

Interface for akka.io concurrency in jruby

Omnibus concurrency library for Ruby

Concurrency based polling.

Collection of utilities for managing concurrency

Massive concurrency with message-passing and stuff.

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

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

Mailbox is a JRuby module that simplifies concurrency and is backed by JVM threads.

An implementation of the CSP concurrency primitives

Retlang is a high performance C# threading library. The library is intended for use in message based concurrency similar to event based actors in Scala. The library does not provide remote messaging capabilities. It is designed specifically for high performance in-memory messaging.

Experimental High-performance, Redis-based background job processing library for Ruby built on fiber-based concurrency

URL agent can handle common errors, concurrency and fallback for applications that call a large number of URLs.