
Description: Ulaa is an open-source user flow and website prototyping tool. It enables designing interactive prototypes and publishing them as public websites for user testing. Key features include drag and drop editing, template libraries, collaboration tools, and integration with design tools.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Vivaldi is a free, open source web browser developed by Vivaldi Technologies. It is known for its high level of customizability and focus on privacy. Vivaldi has a clean, minimal interface and features like tab stacking, built-in note taking, and session snapshots for saving and restoring browser sessions.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API