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Open Source Performance Testing Software (2026)

Last updated: March 2026

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5 software options

QA Wolf logo

Modern end-to-end testing solution for teams

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ZeuZ logo

Cloud-based and on-premise automation testing platform

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Open Source
Contact us to receive free proof of concept. Pricing includes all ongoing upgrades

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Loadium logo

Application performance testing software

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Open Source
Free $0, Basic $99, Standard $199, Advanced $499 per month & Custom Plan - Contact Us

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k6.io logo

Automated and on-demand performance testing for developers.

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Open Source
Monthly Subscriptions: 250 concurrent users, 5 tests per month - $0/month; 1000 concurrent users, 30 tests per month - $299/month; 3000 concurrent users, unlimited testing - $699/month; 8000 concurrent users, unlimited testing - $1299/month; +8000 concurrent users, unlimited testing - Request quote Pay-per-test: Purchase a test whenever the need arises. Price is based on test size and duration, and starts at $1.

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Gatling Enterprise logo

Load & performance testing tool for DevOps

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Open Source
Cloud-based: Starting from $3/hour Contact Gatling for further pricing details.

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