
Description: DIABASS is open-source software for teaching and learning bass guitar. It allows users to practice basslines, techniques, and songs with interactive feedback and tutorials. DIABASS aims to make bass guitar education more accessible and engaging.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: pdr/pdx is an open-source, cross-platform PDF viewer and toolkit. It provides fast and lightweight PDF rendering and viewing. pdr/pdx supports key PDF features like annotations, forms, and JavaScript.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API