bloomfilters — Several bloom filter implementations, and an implementation of the CONCISE bitmap.
Data.js — Data Manipulation and Graph Persistence for Node.js and the Browser.
dict — Easy but safe string-keyed store
jaylist — kv-list inspired by Python.
jParser — Parsing binary files made easy and flexible. (Works in Node.js and browsers.)
Queue.js — Simple, efficient queue.
Prefixsearch.js — Trie-backed prefix search library.
negative-array - Negative array index support using ES6 Proxy.
var a=[1,2,3]; a[-1] //=> 3