UpPeekDeveloper testingDiscovery Passport
Jango
Test multi-user apps with AI agents that sign in and interact like real users, then review errors and screenshots.
Best for: Teams testing collaborative or multi-role products
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Developer testingDiscovery Passport
Assay
A deterministic browser QA CLI that explores page controls and reports failures without written tests or an LLM.
Featured September 28, 2026Facts checked September 28, 2026Independently reviewed
UpPeek editorial take
Why it's worth a peek
Assay offers a useful middle path between hand-authored browser tests and probabilistic AI review: deterministic checks generated from the controls already on a page.
Try this in 5 minutes
Exercise every control on a web page
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Best for
- Developers shipping small web interfaces
- Coding-agent users who need repeatable UI checks
- Teams without a mature end-to-end test suite
Discovery passport
What you can do
- Exercise every control on a web page
- Produce repeatable browser QA reports
- Add a deterministic check to coding-agent workflows
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What stands out
- No tests need to be written
- No LLM or API key is required
- Reports grouped failures in plain language
Pricing & availability
Before you try it
Available on: Web and open-source repository
UpPeek has not independently verified current pricing or plan limits. Check the official website before purchasing.
Source: Official website ↗. Product details can change; verify them on the official source before purchasing.
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About this listing
UpPeek selected and described this discovery independently. Inclusion does not imply a partnership or endorsement, and no unverified growth or performance result is shown.
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