Pylot is described as 'Free open source tool for testing performance and scalability of web services. It runs HTTP load tests, which are useful for capacity planning, benchmarking, analysis, and system tuning' and is an app in the online services category. There are more than 25 alternatives to Pylot for a variety of platforms, including Windows, Linux, Web-based, Mac and Self-Hosted apps. The best Pylot alternative is Apache JMeter, which is both free and Open Source. Other great apps like Pylot are locust, Loadster, Loader.io and YandexTank.
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.
United States
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.
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.
United States
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.
Russia
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.
France
EU
Blitz makes load and performance testing of your web site, API, iPhone and Android and Facebook apps a fun sport.
Gatling is a software designed for load and performance testing of web applications, APIs, and services. The software enables users to simulate user traffic and analyze the behavior and responsiveness of systems under various load conditions.
LoadRunner is a software testing tool used to test applications, measuring system behaviour and performance under load. LoadRunner can simulate thousands of users concurrently using application software, recording and later analyzing the performance of key components of the...
United Kingdom
United States
Load Testing of Web Sites, Mobile Applications, Web Services, and Web Sockets. Real-Time Analytics, Public Cloud load injectors, rapid test development, real user data, network emulation, SLAs, all with CI Integration. 100VUs for free, forever.
United States
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.
Russia
