Sites and apps similar to LoadBooster include Apache JMeter, which is free and open source. Other options are locust, Loadster, Loader.io and YandexTank. You're spoiled for choice with Website Monitoring Tools like LoadBooster: we list more than 25 alternatives for Windows, Linux, Mac, self-hosting and Chrome OS.
StormForger is a cloud-based Performance Testing as a Service platform, targeting HTTP APIs. Use the expressive JavaScript DSL to specify your test cases, run tests and integrate it in you CI to do continuous performance testing.
Kraken is a load testing IDE. Kraken provides a complete development environment to software programmers and load testers that seek to make the most out of Gatling.
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step is a comprehensive test automation stack designed to achieve high efficiency in testing pipelines. It is well suited for DevOps delivery. It ships with a distributed execution platform, a collaborative test management system and many plugins.
Pylot is a 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.
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