
Description: Sketch Fiddle is a Chrome extension for Sketch that makes it faster and easier to create, edit, and share Sketch files. It allows for trying out Sketch files without installing Sketch, provides live collaboration with your team, and integrates directly into your workflow.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: FlockMod is a free, open source chat and forum software focused on security, privacy, and customization. It is self-hosted and allows admins granular control over features.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API