Grafana k6

Grafana k6 is a Linux load-testing tool for load, stress, browser-based, distributed, and API testing. It also lists application tracing and network visibility, with OpenTelemetry support, service maps, and tail-based sampling. Logging features include pipelines, structured parsing, live tailing, and archive export; log retention is 30 days. Profiling covers CPU, memory, and threads, with both profiling modes available, while kernel profiling is not supported. The listed languages are C/C++, Go, Rust, Zig, Java,.NET, Python, Ruby, PHP, Node.js, and Perl. Deployment options include both models, and self-hosting is listed. The Free plan costs nothing and is limited to 500 virtual user hours per month. Pro costs $19 a month as a platform fee, then pay as you go; it lists 500 virtual user hours per month and 8×5 email support. Pro usage offers automatic volume discounts. Enterprise lists one million concurrent virtual users and a $25,000 minimum annual commit. A 14-day trial is listed.

It suits teams running load, stress, browser-based, distributed, or API tests on Linux, especially those needing the listed tracing, logging, or profiling features. The plan details may help teams compare the free allowance with Pro's platform fee and usage pricing.