As of September 2026, AlphaMoat tracks 233 AI websites tagged AI Testing & QA. The most visited is Harness with 1.1M monthly visits (+28.2% MoM). Ranked by latest monthly traffic, updated monthly.
| # | Product | Company | Industry | Visits | MoM |
|---|---|---|---|---|---|
| 1 | An AI DevOps platform spanning delivery, testing, security, and cost optimization. | Harness | Programming | 1.1M | +28.2% |
| 2 | Provide contextual code review and line-by-line suggestions in pull requests. | CodeRabbit | Programming | 1.0M | -2.2% |
| 3 | Continuously validate, test, and deliver software at the pace of intelligent development. | Circle Internet Services | Programming | 936.3K | -10.2% |
| 4 | Run software tests with agents and cloud infrastructure. | TestMu AI | Programming | 796.4K | -15.6% |
| 5 | Record screen sessions to collect bug context and speed up software fixes. | Jam | Programming | 607.3K | -9.9% |
| 6 | Unify CI, automated tests, and manual testing, and generate scripts | Qase | Programming | 428.7K | +22.2% |
| 7 | Let testing agents generate, run, self-heal, and diagnose automated tests. | Testsigma | Programming | 399.5K | +19.7% |
| 8 | Plan and execute software testing with AI agents and cloud infrastructure | TestMu AI | Programming | 235.5K | -10.1% |
| 9 | Plan, write, execute, and analyze software quality testing across all platforms | Katalon | Programming | 224.5K | -5.1% |
| 10 | Open-source automation for browser, desktop and computer vision workflows | a9t9 software | Office & Collaboration | 203.1K | +25.8% |
| 11 | End-to-end software testing with Visual AI and generative AI. | Applitools | Programming | 189.8K | +11.6% |
| 12 | Let agents auto-generate, maintain, and run end-to-end tests. | Bugster | Programming | 162.9K | +12.7% |
| 13 | Automatically discovers, assesses, and attack-tests risk in AI systems | Mindgard | General AI | 151.5K | +41.6% |
| 14 | Unified automated testing of web, mobile, API, and devices. | TestGrid | Programming | 146.7K | -6.2% |
| 15 | End-to-end hiring assessment and testing platform. | Algobash | Industry Services | 140.5K | +79.6% |
| 16 | Unify mobile and web app testing with open-source flows | Maestro | Programming | 132.2K | -12% |
| 17 | Uses AI to generate and maintain automated tests from API specs | Qodex.ai | Programming | 127.7K | +24.8% |
| 18 | Describe tests in natural language and run end-to-end software tests automatically | testRigor | Programming | 108.8K | -11% |
| 19 | Test apps on real browsers and devices with open-source AI agents. | Autonoma | Programming | 103.9K | -12.5% |
| 20 | Generate API tests and dependency digital twins from real traffic. | Keploy | Programming | 101.8K | -10.7% |
| 21 | Compare AI coding-model capabilities with real tasks and blind review. | BridgeBench | Programming | 100.1K | -2.3% |
| 22 | End-to-end AI testing agent from test planning and coding to execution and debugging. | TestSprite | Programming | 98.6K | -20.3% |
| 23 | Combine dynamic testing and runtime validation to auto-fix app vulnerabilities. | Bright Security | Programming | 98.3K | +47.3% |
| 24 | QA Skills is a curated directory of QA testing skills that install into AI coding agents such as Claude Code, Cursor, and Copilot with a single command. | The Testing Academy | Programming | 93.8K | +17.5% |
| 25 | Use AI to generate and maintain more stable automated UI tests. | testim | Programming | 90.8K | -13.5% |
| 26 | An automated testing platform for voice and conversation agents. | Cekura | General AI | 90.3K | +36.5% |
| 27 | An AI-native, agentic testing platform embedded in the dev pipeline. | mabl | Programming | 87.1K | -6.6% |
| 28 | AI coding-agent security testing platform | StackHawk | Programming | 83.3K | -0.7% |
| 29 | An AI testing platform that writes end-to-end tests in English | Momentic | Programming | 81.2K | +94% |
| 30 | Deterministic simulation testing platform for developers | Antithesis | Programming | 78.0K | -5.8% |
| 31 | AI testing platform for agent-generated code | Functionize | Programming | 63.3K | +16.3% |
| 32 | Generate synthetic test data close to production. | Tonic.ai | General AI | 60.1K | -13.1% |
| 33 | An LLM evaluation and observability platform. | Deepchecks | Programming | 57.6K | -1.7% |
| 34 | AI platform that auto-creates and runs software tests | Autify | Programming | 56.7K | -19% |
| 35 | Use natural language to automatically generate and maintain enterprise software tests. | SpotQA | Programming | 55.5K | -4.3% |
| 36 | An AI that automatically reviews code in GitHub and your IDE | Sourcery | Programming | 50.8K | -12% |
| 37 | A mobile testing agent that writes tests in natural language. | Drizz | Programming | 50.4K | -15.6% |
| 38 | Test mobile, web, and OTT experiences on real devices. | HeadSpin | Programming | 47.3K | -3.2% |
| 39 | Autonomous mobile QA agent | Minitap | Programming | 39.6K | +78.9% |
| 40 | A visual feedback tool for AI coding agents | Agentation | General AI | 38.8K | +29.1% |
| 41 | Open-source AI code review that learns your team's workflow. | Kodus | Programming | 37.5K | +6.4% |
| 42 | AI-automated front-end testing platform. | Meticulous | Industry Services | 34.7K | -27.7% |
| 43 | A no-code platform that uses self-healing AI to maintain end-to-end tests. | Rainforest QA | Programming | 34.7K | -36.6% |
| 44 | AI testing and monitoring platform safeguarding customer experience. | Cyara | Programming | 32.3K | +17.2% |
| 45 | An agentic QA platform for testing teams. | Moolya | Programming | 32.0K | -14.8% |
| 46 | An AI testing platform covering end-to-end and regression testing | QA.tech | Programming | 32.0K | -2.5% |
| 47 | A visual website feedback and bug-tracking tool. | Webvizio | Programming | 30.1K | +25.7% |
| 48 | An enterprise continuous-validation platform unifying automated testing and performance assurance. | Leapwork | Programming | 29.2K | -11.9% |
| 49 | AI review that builds and runs the app on every PR to catch runtime bugs. | Ito | Programming | 27.9K | -2% |
| 50 | A quality assurance platform for voice and chat agents | Hamming AI | General AI | 26.1K | -24.6% |
In September 2026, Harness (1.1M monthly visits) ranks #1 by monthly visits, followed by Coderabbit (1.0M monthly visits) and CircleCI (936.3K monthly visits).
Ranked by monthly visits, the top 10 are: 1. Harness, 2. Coderabbit, 3. CircleCI, 4. TestMu AI (Formerly LambdaTest), 5. JamGPT, 6. Qase, 7. Agentic Testing by Testsigma, 8. TestMu AI, 9. Katalon, 10. Ui.
Among the top 20 by monthly visits, Algobash grew fastest month over month (+79.6%); TestMu AI (Formerly LambdaTest) declined the most (-15.6%).
AlphaMoat tracks 233 AI Testing & QA websites, ranked by monthly visits. Visits are third-party traffic estimates aggregated monthly, with multiple domains of the same product merged. Updated monthly; the current data is for September 2026.
Data month: 2026-09 · Visit figures are third-party traffic estimates aggregated monthly — best for scale and trends. Multiple domains of the same product are merged. See methodology.