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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 1

2. fast_bloom_filter fast_bloom_filter Public

   Scalable Bloom Filter in C for Ruby. Auto-growing, MurmurHash3, 20x less memory than Set. No upfront capacity needed.

   C

3. monotonic_grouper monotonic_grouper Public

   Fast C extension for grouping consecutive monotonic sequences into ranges. O(n), works with any Comparable+succ type. Useful for compacting large IN() clauses in SQL.

   Ruby

4. 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

5. 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

6. multi_compress multi_compress Public

   Fast multi-algorithm compression for Ruby — zstd, lz4, brotli in one C extension. One-shot, streaming, IO wrappers, dictionary support. Zero dependencies.

   C 1