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1. WattLedger WattLedger Public

   A local-first energy journal for Windows laptops. Battery watts, Wh, Modern Standby, and battery health. No driver, no admin, no telemetry.

   C#

2. engine-blogs engine-blogs Public

   深度复盘：实现 Bitcask 与 B+Tree/LSM 存储引擎 — 设计取舍、SIGMOD 论文复现与模糊测试战报

3. hybriddb-sys hybriddb-sys Public

   B+Tree + LSM-Tree dual storage engines in C++20 on a shared 4KB page/WAL substrate — LRU-K buffer pool and Monkey bloom allocation (SIGMOD '93/'17 reproductions), fuzz-tested

   C++

4. pybitcask pybitcask Public

   Bitcask log-structured KV storage engine in pure Python stdlib — CRC32 integrity, TTL, hint files, compaction, fuzz-tested crash consistency

   Python