Open source repositories tagged with #catalog, ranked by health score.
DeepSeek Harness plugin store, marketplace and hub — 11,000+ dsh plugins with search, rankings, install commands and a free public API. DeepSeek Harness 插件市场 / 插件商店：自动收集与格式校验，免费搜索 API。deepseek1024.com
Apache Iceberg REST Catalog in Rust — access control, credential vending and audit for every engine and AI agent. Apache 2.0.
Complete Library Management System (ILS) - Circulation, OPAC, cataloging, reservations, loans, automatic notifications, plugin system, and Z39.50/SRU server
