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Expo

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Expo is an open source framework and platform for building universal applications with React. It provides tools, libraries, and cloud services that simplify developing, building, and deploying applications for Android, iOS, and the web from a single JavaScript or TypeScript codebase.

Here are 300 public repositories matching this topic...

QuakeGuard

Distributed Earthquake Early Warning (EEW) system built on low-cost ESP32-C3 IoT sensors with Zero-Trust security, multi-node epicenter triangulation, and on-premise AI emergency reports. Includes custom PCB, FastAPI/Redis/TimescaleDB backend, and a React Native mobile app.

  • Updated Oct 27, 2026
  • Python

A filesystem contract (.workflow/meta.json) + 55 agent skills that take a product from idea to production: web (Next.js 16), mobile (Expo/RN), an eve agent engine, scrum on Linear/Jira/GitHub, a design-system lint, registry intake, a post-deploy debt audit, EU data residency. Runs on Claude Code, Codex, Copilot, Gemini, Cursor.

  • Updated Oct 22, 2026
  • Python

Released August 2015

Latest release 1 day ago

Followers
141 followers
Repository
expo/expo
Website
github.com/topics/expo