
Description: Submarine is an open-source alternative to Trello for kanban project management. It allows users to create boards, lists, and cards to organize tasks and projects in a visual way.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Opensubs is an open source online platform for creating and sharing subtitles for video content. It allows users to upload videos and subtitle files or create new subtitles that can be timed to match the video.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API