
Description: AppPerfect Load Test is a load and performance testing tool for web and mobile applications. It allows you to simulate hundreds or thousands of concurrent users to test application performance and behavior under load. Useful for capacity planning, scalability testing, and identifying bottlenecks.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: wrk is an open-source HTTP benchmarking tool and load testing application. It is used to measure web server performance by simulating concurrent connections to the target server. wrk is lightweight, scalable, and can generate significant load even when run on a single multi-core CPU.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API