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1. async-background async-background Public

   Lightweight fiber-based cron/interval scheduler for Falcon and Async Ruby. Single event loop, min-heap timer, skip-overlapping, jitter, deterministic sharding.

   Ruby 2

2. fast_curl fast_curl Public

   Ultra-fast parallel HTTP client for Ruby. C extension on libcurl curl_multi API. GVL release, Fiber scheduler compatible. 4-10x faster than Net::HTTP, outperforms Async::HTTP on high concurrency.

   C 1

3. swiss_hash swiss_hash Public

   High-performance Swiss Table hash map implementation as Ruby C extension with SIMD optimizations (SSE2/NEON). 19-29% faster string key insertion, optimized for large datasets.

   C 1

4. multi_compress multi_compress Public

   Unified C-extension gem for zstd, lz4, and brotli compression. One-shot, streaming, IO wrappers, dictionary support. Fiber-friendly: cooperates with Fiber::Scheduler (async, falcon) so CPU-heavy co…

   C 1

5. pq_crypto pq_crypto Public

   Ruby bindings for ML-KEM-768, ML-DSA-65, and a custom hybrid ML-KEM-768 + X25519 KEM.

   C

6. image_pack image_pack Public

   Fast native JPEG compression for Ruby with SIMD, no-GVL execution, and SSIM-guarded quality control.

   C