BitMagic Library

The RAW arbitrary size Bit-Vector implementation in JavaScript

Bitset data structure

Bit vectors: 8x less memory, up to 3500x faster than Vector Bool

C API for creation and analysis of binary data

High-performance C# Data Structures library (Grid2D, BitArray, RingBuffer, EnumSet) optimized for memory and CPU cache locality. Available on NuGet & OpenUPM.

A Go package providing data types and functions for manipurating bit arrays, aka bit strings, of arbitrary length.

A bit-array manipulation library in C

Efficient numerics for bit-space a.k.a GF(2): The C++ version.

A Bitmap library (think BitArray, BitVector32, or Bit Index, not bmp) written in C# with more functionality than the .NET default.

Efficient numerics for bit-space a.k.a GF(2): The Rust version.

The optimal solution to the problem of counting unique IPv4 addresses in a huge text file.

Static bit-vector with primitive byte storage and bit-wise index

bit-packed containers and compact data structure

Back end array, declared as ordinary byte array (8-bits). But internal datastructure managed as a 'collection' of bit-subarrays:

FSK algorithm for Assignment with one sound application

Set of classes implementing bit vector (an array of individually accessible bits).

A Swift package for bit vectors (also called bit arrays).

Byte and Word conversions (hex, char, bitstring)

A bit array for Go