evQueue

Coldsource

evQueue is an Open Source, event driven task scheduler. It provides an API and can easily be interfaced with Web applications. It supports dedicated queues with specific limits for parallelization. Complex workflows can be created from drag and drop interface, including loops, conditions, embedded scripts... You launch Workflows or Tasks periodically (like Cron) or from API. It also provides a module for handling application logs with live view and search / alerts options. It's written in full C++ and has a very low memory impact. User interfaces runs React JS over Websockets and is fully event driver.

Screenshots from Chrome Web Store

Screenshots from Mozilla Add-ons