31368 stars · AGPL-3.0 · v2.3.0 (2026-09-21), confirmed by pkg.go.dev/go.k6.io/k6/v2 · Track this in Scout
Generates web traffic from JavaScript test files kept beside the code, so a load test is repeatable rather than something somebody once did on a laptop.
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locustio/locustThe same job with tests written in Python rather than JavaScript, and a live web page showing the run as it happens, but it needs more machines to generate the same load.
Track this in Scout- gatling/gatling
A long-established alternative with very detailed reports, aimed at larger teams, written for the Java world and heavier to set up.
Track this in Scout - rakyll/hey
One tiny downloaded file that hammers a single web address and prints the timings, which covers the simplest case in one command and nothing beyond it.
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