
Description: Sidekiq is an open-source background job processing library for Ruby. It uses threads to handle background jobs asynchronously, allowing Rails applications to offload long-running tasks into background processes to keep the main application responsive.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Hangfire is an open-source background job and task processing library for .NET applications. It allows developers to easily create, process, and manage background jobs, recurrent tasks, and workflows within their .NET apps, without requiring a separate service.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API