
Description: Knapsack is an open-source discrete optimization solver for bin packing problems. It helps developers allocate items with certain weights or values into limited bins or containers efficiently.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: LoungeBuddy is an app and website that provides access and discounts to airport lounges around the world. It allows travelers to book passes for single-use, multi-visit packages, or annual memberships to over 1,300 airport lounges globally.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API