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1. 6cy 6cy Public

   High-performance, streaming-first container format with per-block codec polymorphism and robust data recoverability. Reference implementation in Rust.

   Rust 28 1

2. zerotext zerotext Public

   Zero-allocation text layout engine for the web. Prefix-sum binary search line breaking, perfect hash glyph lookup, arena-pooled memory — sub-microsecond hot layouts with zero GC pressure.

   TypeScript 9

3. Sentinel Sentinel Public

   TypeScript 2

4. pcsf pcsf Public

   Python

5. mirrorframe mirrorframe Public

   Capture a live webpage's design system, motion, and interaction state machines, then reconstruct it as verified React — with per-node pixel verification and an honest skip-reason taxonomy.

   JavaScript 3