e2e
e2e is the verification layer for agentic coding. It runs end-to-end tests on web and mobile apps with your own infrastructure and the model you choose, so you find bugs before they ship to users.
At a Glance
- Software engineering and QA teams
- Startups and scale-ups
- Seed-stage through Series C companies
- Web application developers
- +3 more
AI Tools by e2e
(1)e2e
Verification Layer for Agentic Coding
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Latest News
TesterArmy renamed to e2e, the verification layer for agentic coding
Introducing e2e: open source agentic testing for web, iOS, and Android
TesterArmy raises $1.2M to build the next generation of software testing
TesterArmy in August: Discovery Runs, MCP, Linear and Jira Tickets
Products & Services
The verification layer for agentic coding. Runs end-to-end tests on web and mobile apps with your own infrastructure and the model you choose. Free and open source (Apache-2.0).
The former hosted TesterArmy platform closed sign-ups on November 2, 2026 and is scheduled to shut down on January 15, 2027.
Market Position
e2e is the verification layer for agentic coding, running end-to-end tests on web and mobile apps with your own infrastructure and the model you choose.
Leadership
Founders
Szymon Rybczak
Co-founder and CEO; React Native contributor and conference speaker. Y Combinator describes him as the youngest-ever React Native contributor at 16, a maintainer of open-source libraries with more than 3 million weekly downloads, and a former v0 iOS contributor at Vercel. He previously worked at Callstack.
Oskar Kwaśniewski
Co-founder and CTO; React Native core contributor with 100+ merged PRs and creator of React Native visionOS, Bottom Tabs and Liquid Glass. Y Combinator says he created 5+ open-source libraries with over 2.5 million downloads and worked with Vercel, Meta and AT&T; he previously worked at Callstack.
Executive Team
Szymon Rybczak
Co-founder & CEO
React Native contributor, open-source developer-tools maintainer and former Vercel v0 iOS contributor; previously worked at Callstack.
Oskar Kwaśniewski
Co-founder & CTO
React Native core contributor and open-source library creator; previously worked with Vercel, Meta, AT&T and Callstack.
Board of Directors
Founding Story
The founders say they started TesterArmy after becoming frustrated that QA was the slowest part of shipping: manual testing is slow and scripted tests become brittle as interfaces change. Their initial vision was an army of AI testers that could click, type, navigate and verify real user journeys from plain-language instructions, without requiring source-code access or maintained selectors.
Business Model
Revenue Model
Free and open source (Apache-2.0). Run e2e with your own infrastructure and the model you choose.
Pricing Tiers
Free and open source under Apache-2.0; bring your own infrastructure and model.
Target Markets
- Software engineering and QA teams
- Startups and scale-ups
- Seed-stage through Series C companies
- Web application developers
- Mobile application developers, especially React Native and Expo teams
- Teams shipping AI-generated applications
- Regression testing before deployment
- Testing web and mobile user flows without writing or maintaining selectors
- Pull-request and preview-deployment quality gates
- CI testing of deployed URLs and iOS/Android builds
- Production monitoring on a schedule
- Exploratory UX and rendering checks that scripted tests may miss
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