Show HN: Mobile-ink, an open-source mobile infinite drawing canvas

Category: library

Tags: react-native, drawing-engine, infinite-canvas

Score: 7.5/10 (Innovation: 7, Technical: 8, Documentation: 8, Utility: 7)

Mobile-ink is a production-grade, open-source native drawing engine for React Native, extracted from the MathNotes app, offering Apple Pencil input, Skia/Metal rendering, infinite canvas, and advanced features like selection and zoom. It addresses the lack of a high-performance, community-owned drawing surface for mobile notes apps, making it a valuable foundation for building serious note-taking or drawing applications.

Target audience: mobile app developers

Repository: https://github.com/mathnotes-app/mobile-ink · C++ · Apache-2.0

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