Adhearsion is an open-source telephony development framework

A work dispatcher and some queue implementations

Bountyhill dependency tracker

If you have files that you some how need to process, file_worker is your friend.

Mass downloader useable as standalone or as a library

Simple HTTP-based Job scheduling for the cloud.

Exception reporting service for ProjectLocker

Exception reporting service for ProjectLocker

Rails plugin to catch and send exceptions to Ratchet.io

Rack middleware for connecting Rack applications to rules.io, with extensions for Rails 3 applications.

Rack middleware for connecting to WhenAUser