
Description: Slowly is a pen pal app that allows people to connect with others around the world for meaningful conversations. Users can write letters, share stories, and make international friendships through the app's private messaging system.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Y99 is a free and open-source note taking and to-do app for Windows, macOS and Linux. It features a minimal interface, tabs for organization, Markdown support, and syncing capabilities across devices.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API