
Description: Mozilla Thunderbird is a free and open-source email client and personal information manager developed by the Mozilla Foundation. Known for its flexibility, Thunderbird provides email, chat, and news client functionalities. It supports a variety of email protocols, offers customization through add-ons, and focuses on user privacy.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

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: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API