1. IowowThe skiplist based persistent key/value storage engine
2. Ejdb🏂 EJDB 2.0 — Embeddable JSON Database engine C library. Simple XPath like query language (JQL). Websockets / Android / iOS / React Native / Flutter / Java / Dart / Node.js bindings. Docker image.
4. ncmsJava CMS engine. Host and develop multiple websites inside a single instance through the GUI and benefit from features like A/B testing, affiliate tracking tools, and a high performance template engine with CSS stylesheets processing & scripts minification.