High-performance immutable data structures for modern JavaScript and TypeScript applications. Functional interfaces, deep/composite operations API, mixed mutability API, TypeScript definitions, ES2015 module exports.

Rimbu is a TypeScript library focused on immutable, performant, and type-safe collections and other tools.

A simple value-sorted map type for Go that features constant-time reads and efficient iteration over records.

Generic sorted map for Go with red-black tree under the hood

This is an extension of Immutable.js that provides sorted collections SortedMap and SortedSet. The current implementation is using highly optimized B-tree memory structure.

SortedTables in Nim, based on B-Trees

SortedSet and SortedMap with skip list for Go

Adds Pydantic support to sortedcontainers.

Typescript implementations of in-memory cache data-structures for Node and Browser.

Fast key-value indexed table with thread-safe public API and RAII-style locked iterators/slices.

sorted key/value storage for C99

A very fast Sorted Map for go

Java project using TreeMap to organize and group user-provided names and genders with sorted output.

Go`s generics AVL based sorted map

Python dictionary in which the keys are always in ascending order