
Description: Plumm is a free, open source project management software. It provides tools for task management, time tracking, resource planning, reporting, and more. Plumm has an intuitive and customizable interface suitable for individuals, teams, and organizations.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Zulip is an open-source team chat software that focuses on threaded conversations to improve productivity and organization. It has features like public/private streams, emoji reactions, integrations, and customizable notifications.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API