k6
Modern load testing tool using JavaScript scripts.
- Developer Tools
- Go
- AGPL-3.0
- Docker
- Actively maintained
GitHub stats
- GitHub stars
- 31,797
- Forks
- 1,661
- Open issues
- 669
- Commits, last 12 months
- 844
- Last commit
- Oct 6, 2026
- Latest release
- v2.3.0Sep 21, 2026
- Created
- Mar 21, 2016
Data from the GitHub API, refreshed daily.
About k6
Modern load testing tool using JavaScript scripts. k6 is open source under the AGPL-3.0 license and written mainly in Go, so you can read the code, run it on your own hardware and keep full control of your data.
The project has 31,797 stars and 1,661 forks on GitHub, with 844 commits over the last year. It ships a Docker image, which makes it a good fit for a small VPS or a home server running Docker Compose.
Topics
- golang
- load-testing
- load-generator
- javascript
- es6
- performance
- go
- hacktoberfest
- k6
Repository preview
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What is k6?
k6 is a free, open-source app you can host on your own server, listed in our Developer Tools category. Modern load testing tool using JavaScript scripts. The source code lives at github.com/grafana/k6, where it has 31,797 stars.
Is k6 free and open source?
Yes. k6 is open-source software released under the AGPL-3.0 license, so you can self-host it at no cost. You only pay for the server it runs on, and some projects also offer an optional paid cloud plan.
Can I run k6 with Docker?
Yes. k6 provides a Docker image, so you can run it on any Linux server with Docker and Docker Compose installed. The project README lists the image name and the environment variables to set.
What are the best alternatives to k6?
Popular open-source alternatives to k6 include OpenHands, code-server and Sentry Self-Hosted.
Is k6 actively maintained?
The most recent commit to k6 was on Oct 6, 2026 with 844 commits in the past twelve months. The latest release is v2.3.0, published Sep 21, 2026. Check the open issues on GitHub to gauge how quickly maintainers respond.