LocalBus is a lightweight yet powerful pub/sub system for Ruby applications that enables decoupled communication within a single process. It offers both non-blocking I/O and thread pool processing modes, robust error handling, and fine-grained concurrency controls. Perfect for organizing event-dr...

Fibur is a gem that gives you full concurrency during your I/O calls in Ruby 1.9.

A concurrency library for Ruby inspired by java.util.concurrency and Go (golang). By http://www.appoxy.com

Futuroscope is yet another simple gem that implements the Futures concurrency pattern.

An ETL (Extract-Transform-Load) library that uses a forking process model for concurrency.

Actors based concurrency library for Ruby.

Concurrently is a concurrency framework for Ruby and mruby based on fibers. With it code can be evaluated independently in its own execution context similar to a thread: hello = concurrently do wait 0.2 # seconds "hello" end world = concurrently do wait 0.1 # s...

Gqtp gem provides both GQTP client, GQTP server and GQTP proxy implementations. They provide asynchronous API. You can use gqtp gem for high concurrency use.

A Redis-backed concurrency management system

Wraps the net-snmp core usage into idiomatic ruby. It is designed to support as many environments and concurrency frameworks as possible.

A lightweight gem for foreign exchange and currency conversion.

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.

SimpleFuture is class that simplifies coarse-grained concurrency using processes instead of threads. Each instance represents the future result of a block that is passed to it. The block is evaluated in a forked child process and its result is returned to the SimpleFuture ob...

A gem for doing concurrency locks using a TCP port.

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

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

Ruby concurrency extenstions

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

Huginn (from Old Norse "thought") is a high-performance Ruby MQTT client written using an actor-based model. Its main goal is high concurrency and high performance.

A Fiberpool implementation for running tasks cooperatively, allows throttling to max concurrency, best used with event machine and non blocking operations.