@rimbu/hashed
Immutable HashMap and HashSet implementations for TypeScript
tstl
TypeScript-STL (Standard Template Library, migrated from C++)
2keys
Alternate and slightly faster implementation of [map2](https://www.npmjs.com/package/map2) and [set2](https://www.npmjs.com/package/set2) allowing you to use more than one key as the key
evenietquia
Linq-Collections: (IEnumerable, ...) + (List, Dictionary, Stack, ...)
redis-json
A wrapper library to store JSON Objects in redis-hashsets and retrieve it back as JSON objects