Open-source load testing tool where you write performance test scenarios as code in Java, Kotlin, Scala, JavaScript or TypeScript.
7K+5 this week1.2KScalaApache-2.0Well maintainedUpdated 2 days ago
1 alternative
Best open-source alternatives to JMeter (2026)
Looking for a free, open-source alternative to JMeter? These 1 projects can replace it. Each one passed our quality screening and is explained in plain words, so you can compare stars, license and maintenance at a glance.
Quick comparison
| Project | Stars | License | Last commit |
|---|---|---|---|
| gatling/gatling | ★ 7K | Apache-2.0 | 2 days ago |
FAQ
- Is there a free, open-source alternative to JMeter?
- Yes. The most popular open-source alternatives to JMeter on Repolode are gatling.
- Which JMeter alternative should I choose?
- gatling has the most GitHub stars and is released under Apache-2.0. Compare the license and last commit of each option in the table above before choosing.
How this list is made: AI reads each project's documentation to match it with products it can replace, every project passes our quality screening, and the list is ranked by GitHub stars. Stars updated Nov 7, 2026. How Repolode works