Apache Benchmark is described as 'Ab is a tool for benchmarking your web server. It is designed to give you an impression of how your current web server installation performs. This especially shows you how many requests per second your web server installation is capable of serving' and is a Benchmark tool in the os & utilities category. There are more than 10 alternatives to Apache Benchmark for a variety of platforms, including Linux, Windows, Mac, Web-based and Self-Hosted apps. The best Apache Benchmark alternative is Apache JMeter, which is both free and Open Source. Other great apps like Apache Benchmark are locust, wrk, hey and Gatling.io.
Is a command-line program just like ApacheBench, with similar options.