domq.js
A modular DOM manipulation library.
query-engine
Query-Engine is a NoSQL and MongoDb compliant query engine. It can run on the server-side with Node.js, or on the client-side within web browsers
@neabyte/jsonary
A lightweight TypeScript library for file-based JSON database operations with querying capabilities.
subindex
Generic pluggable indexing system for leveldb/levelup. Designed to be used with the level-queryengine query engine.
jsonquery-engine
level-queryengine plugin to query levelup/leveldb using indexes with the mongodb query syntax (through the jsonquery module)