The Grinder is described as 'Java load testing framework that makes it easy to run a distributed test using many load injector machines. It is freely available under a BSD-style open-source license' and is an app. There are more than 25 alternatives to The Grinder for a variety of platforms, including Linux, Web-based, Windows, Mac and Self-Hosted apps. The best The Grinder alternative is Apache JMeter, which is both free and Open Source. Other great apps like The Grinder are locust, wrk, Loadster and Loader.io.
Apache JMeter is an open source Java application, designed to load test functional behavior and measure performance. Originally designed for testing Web Applications, it has since expanded to other test functions as well.
An open source load testing tool written in Python. Locust allows you to define user behaviour with Python code, and swarm your system with millions of simultaneous users.
wrk is a modern HTTP benchmarking tool capable of generating significant load when run on a single multi-core CPU. It combines a multithreaded design with scalable event notification systems such as epoll and kqueue.
Loadster is a full-featured load testing solution for websites, web apps, and web services. It's built for real web apps and effortlessly handles cookies, user sessions, custom headers, dynamic form data and more.
Loader.io is a simple cloud-based load testing service that allows you to stress test your web-apps & apis with thousands of concurrent connections. Made by the team behind SendGrid.
YandexTank is an extensible open source load testing tool for advanced linux users which is especially good as a part of an automated load testing suite.
OctoPerf is an enterprise-grade performance and load testing platform available as SaaS and on-premise, enabling engineering teams to simulate realistic traffic, identify bottlenecks, and validate application scalability at a lower cost than traditional enterprise tools.
Tsung (formerly IDX-Tsunami) is a distributed load testing tool. It is protocol-independent and can currently be used to stress HTTP, WebDAV, SOAP, PostgreSQL, MySQL, LDAP and Jabber/XMPP servers. It is distributed under the GNU General Public License version 2.
Blitz makes load and performance testing of your web site, API, iPhone and Android and Facebook apps a fun sport.
WAPT Pro is a load and performance testing tool that works for any web site from a simple web service to a customized ERP or CRM solution. Mobile web applications, corporate portals and intranet sites implemented with any technologies can be easily tested with WAPT Pro.
Automation-friendly framework for Continuous Testing. It makes sense to automate anything you repeat 10+ times. Taurus improves experience of JMeter, Selenium and others.
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