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Adaptive online preparation for SAT, ACT, AP and selected graduate and English-language tests.

AI-powered learning platform that builds personalized pathways for career growth.

AI lip-sync platform for translating, creating, correcting, and testing video dialogue

A child-focused learning environment based on Sugar's activity and collaboration approach.

A library of worksheets, learning games, lesson plans and hands-on activities for children.

Compare mobile connection tests and coverage maps

AI speaking practice for English and 35+ languages

Italian lessons and audio study with teacher Manu.

Automated unit test generation for GitHub repositories.

Elixir practice by making small failing exercises pass

AI QA engineer that tests web, iOS, and Android apps end to end.

Self-serve email API for AI agents.

Netflix's browser speed test with loaded-latency details

Browser speed measurements with history and CSV export

Probe loss and jitter through browser WebRTC

Self-directed professional learning for UN personnel

AI coding agent for writing, testing, and shipping code in your IDE.

Open-source MCP server and client libraries for AI-assisted web and mobile testing.

AI-generated Playwright and API tests that run and heal automatically

Inspect how a browser uses DNS resolvers

DVSA-partner learning resources, practice tests and theory preparation for drivers and riders.

Statistical power and effect-size calculation

Study macroeconomics, public finance and economic policy

AI-native platform for creating, delivering, and tracking interactive learning experiences