A better compressed bitset in Java: used by Apache Spark, Netflix Atlas, Apache Pinot, Tablesaw, and many others

Roaring bitmaps in Go (golang), used by InfluxDB, Bleve, DataDog

Roaring bitmaps in C (and C++), with SIMD (AVX2, AVX-512 and NEON) optimizations: used by Apache Doris, ClickHouse, and StarRocks

Go package implementing bitsets

A crate for managing memory bit by bit

Library of generic and type safe containers in pure C language (C99 or C11) for a wide collection of container (comparable to the C++ STL).

A better compressed bitset in Rust

A compressed alternative to the Java BitSet class

A compressed bitmap class in C++.

Simple dense bitmap index in Go with binary operators

An arbitrary size Bit-Vector implementation in JavaScript

A Swift Bits Manipulation/Bitwise Operations Toolkit

Python library for handling efficiently sorted integer sets.

Speed-optimized BitSet implementation for modern browsers and JavaScript engines

Bitset data structure

Rust FFI wrapper for CRoaring

Greg's Template Library of useful classes.

Build your own Game-Engine based on the Entity Component System concept in Golang.

A simple bitset library in C

Hierarchical bit set container