105 tools · 34 open-source · 71 SaaS
The best testing & QA tools. Ranked by real activity.
The top-ranked open-source testing & QA tool on Enlisted is Playwright (97k GitHub stars), followed by k6 and Locust. Among SaaS products, other tools on Enlisted are most often compared with Katalon, Testsigma and mabl.
Enlisted lists 105 testing & QA tools: 34 open source and 71 SaaS. One of the open-source ones, Bencher, can be self-hosted on your own server or computer. The most common open-source licences here are MIT (17 tools), Apache-2.0 (12) and MPL-2.0 (2). The open-source ones are most often listed as alternatives to Testsigma, Katalon and mabl.
Last updated October 3, 2026 · ranked by GitHub stars, growth and recent commits
The top 48 of 105 testing & QA tools

Playwright
Testing & QA
Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Fire
Apache-2.0vs BrowserStack★ 97k
k6
Testing & QA
A modern load testing tool, using Go and JavaScript
AGPL-3.0vs OpenText LoadRunner★ 32k
Locust
Testing & QA
Write scalable load tests in plain Python 🚗💨
MITvs OpenText LoadRunner★ 28k
Promptfoo
AI Infrastructure
Test your prompts, agents, and RAGs. Red teaming/pentesting/vulnerability scanning for AI.
MITvs Braintrust★ 26k
Appium
Testing & QA
Cross-platform automation framework for all kinds of apps, built on top of the W3C WebDriv
Apache-2.0vs BrowserStack★ 22k
Detox
Testing & QA
Gray box end-to-end testing and automation framework for mobile apps
MITvs Kobiton★ 12k
Robot Framework
Testing & QA
Generic automation framework for acceptance testing and RPA
Apache-2.0vs Katalon★ 12k
WebdriverIO
Testing & QA
Next-gen browser and mobile automation test framework for Node.js
MITvs BrowserStack★ 9.8k
Apache JMeter
Testing & QA
Apache JMeter open-source load testing tool for analyzing and measuring the performance of
Apache-2.0vs OpenText LoadRunner★ 9.6k
Artillery
Testing & QA
The complete load testing platform. Everything you need for production-grade load tests. S
MPL-2.0vs OpenText LoadRunner★ 9.1k
Karate
Testing & QA
Test Automation Made Simple
MITvs Postman★ 9k
Lamda
Testing & QA
Android Full-Stack Device Control Platform: WebRTC/H.264 remote desktop, UI/OCR/image-matc
MIT★ 8.5k
Newman
API Tools
Newman is a command-line collection runner for Postman
Apache-2.0★ 7.3k
Gatling
Testing & QA
Modern Load Testing as Code
Apache-2.0vs OpenText LoadRunner★ 7k
Sitespeed.io
Monitoring & Observability
sitespeed.io is an open-source tool for comprehensive web performance analysis, enabling y
MITvs Pingdom★ 5k
agent-device
Testing & QA
Mobile app automation and verification for AI coding agents. CLI, MCP server, and typed No
MIT★ 4.9k
Tox
Testing & QA
Command line driven CI frontend and development task automation tool.
MIT★ 3.9k
Taiko
Testing & QA
A node.js library for testing modern web applications
MITvs Ghost Inspector★ 3.7k
QA Wolf CLI
Testing & QA
QA Wolf from anywhere — your terminal, your CI, your AI agent.
Apache-2.0★ 3.5k
Shortest
Testing & QA
QA via natural language AI tests
MITvs mabl★ 5.7k
Airtest
Testing & QA
UI Automation Framework for Games and Apps
Apache-2.0vs Kobiton★ 9.6k
github-action-benchmark
Testing & QA
GitHub Action for continuous benchmarking to keep performance
MIT★ 1.3k
PhpMetrics
Developer Tools
Beautiful and understandable static analysis tool for PHP
MIT★ 2.6k
Zerocode
Testing & QA
zerocode-tdd is a community-developed, free, open-source, outcome-driven automated testing
Apache-2.0vs ReadyAPI★ 1k
Bencher
Testing & QA
🐰 Bencher - Continuous Benchmarking
OSS★ 909
Magnitude
Testing & QA
Open-source, vision-first browser agent
Apache-2.0vs Browserbase★ 4.1k
Pa11y CI
Testing & QA
Pa11y CI is a CI-centric accessibility test runner, built using Pa11y
LGPL-3.0★ 637
TaskCat
CI/CD & DevOps
Test all the CloudFormation things! (with TaskCat)
Apache-2.0★ 1.2ka11y.css
Testing & QA
This CSS file intends to warn developers about possible risks and mistakes that exist in H
MIT★ 1.6k
Xcov
Testing & QA
Nice code coverage reporting without hassle
MITvs Codecov★ 573
pytest-testmon
Testing & QA
Selects tests affected by changed files. Executes the right tests first. Continuous test r
MIT★ 1k
ClusterFuzzLite
Testing & QA
ClusterFuzzLite - Simple continuous fuzzing that runs in CI.
Apache-2.0★ 537
Step CI
Testing & QA
Automated API Testing and Quality Assurance
MPL-2.0vs Postman★ 1.9k
Crusher
Testing & QA
🧙♀️ Fast low-code testing — create, run tests and get alerts ⏱️ Create test in <60 secs
MITvs Katalon★ 588
37 Audits
Marketing & SEO
Site auditing tool that finds SEO, security, performance, accessibility and resilience issues
SaaS
Acceslab
Testing & QA
AI-powered WCAG scanner that checks website accessibility and produces compliance reports
SaaS
Agent Checker
Testing & QA
Sends an AI agent through your live site to find where search, sign-up and checkout flows break
SaaSAgiletestware
Testing & QA
Connects ReadyAPI, Jenkins, JUnit, Selenium and other test tools to HP ALM and OpenText ALM
SaaS
Agnostics
Security
AI red-teaming that finds prompt injections, jailbreaks and data leaks in LLM-powered apps
SaaS
AlwaysQA
Testing & QA
AI QA agent that tests signup, login, checkout and other user flows in a real browser
SaaS
Applitools
Testing & QA
Visual AI testing platform that detects UI differences across browsers and devices
SaaS
AWS Device Farm
Testing & QA
AWS service for testing web and mobile apps on real devices in the cloud
SaaS
Beep
Testing & QA
Lets teams leave comments and tasks on any live website and manage them from a dashboard
SaaS
BlazeMeter
Testing & QA
Continuous testing platform for load testing and API testing from Perforce
SaaS
BrowserStack
Testing & QA
Cloud platform for testing websites and mobile apps on real browsers and devices
SaaS
BugHerd
Testing & QA
Visual website feedback and bug tracking tool for web teams
SaaS
BugMark
Testing & QA
Browser tool that captures screenshots, recordings, console errors and network requests for bug reports
SaaS
Bugsee
Monitoring & Observability
Mobile bug and crash reporting with video, network and log capture
SaaS
Testing & QA tools: questions
- What is the best open-source testing & QA tool?
- Playwright is the top-ranked open-source testing & QA tool on Enlisted, with 97k GitHub stars. It is followed by k6, Locust and Promptfoo.
- What are the best free testing & QA tools?
- The top-ranked open-source testing & QA tools with a standard licence are Playwright (Apache-2.0), k6 (AGPL-3.0) and Locust (MIT), so their code is free to use. 27 of the 71 SaaS products here have a free plan, including Katalon, Testim and Functionize.
- Which testing & QA tools can be self-hosted?
- One of the 34 open-source testing & QA tools on Enlisted can be self-hosted on your own server or computer: Bencher.
- How are these testing & QA tools ranked?
- Open-source tools are ordered by a score built from GitHub stars, star growth over the last 30 days and how recently the code changed; 23 of the 34 had new commits or a release in the last 30 days. SaaS products have no public repository, so they get a fixed baseline score. GitHub data is refreshed daily, and nobody can pay to move up.