Repositories list

• CRoaring

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

  cbitsetarm+ 8

  cbitsetarmvisual-studioroaring-bitmapsneongccclangavx2bitset-library+ 1

  C

  •

  Other

  •313313 forks•1.8k1.8k stars•5353 issues•44 pull requests•Updated Apr 24, 2026Apr 24, 2026

• roaring-rs

  Public
  A better compressed bitset in Rust

  rustbitsetroaring-bitmaps+ 1

  rustbitsetroaring-bitmapsbitset-library

  Rust

  •

  Apache License 2.0

  •105105 forks•920920 stars•3939 issues•99 pull requests•Updated Apr 24, 2026Apr 24, 2026

• RoaringBitmap

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

  javabitsetspark+ 4

  javabitsetsparkroaring-bitmapsdruidluceneroaringbitmap

  Java

  •

  Apache License 2.0

  •586586 forks•3.9k3.9k stars•7171 issues•33 pull requests•Updated Apr 15, 2026Apr 15, 2026

• roaring

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

  gobitsetroaring-bitmaps+ 3

  gobitsetroaring-bitmapsdatabasesindexingbitmap-compression

  Go

  •

  Apache License 2.0

  •250250 forks•2.9k2.9k stars•6161 issues•55 pull requests•Updated Apr 14, 2026Apr 14, 2026

• RoaringFormatSpec

  Public
  Specification of the compressed-bitmap Roaring format

  Kaitai Struct

  •

  Apache License 2.0

  •1616 forks•182182 stars•22 issues•00 pull requests•Updated Apr 3, 2026Apr 3, 2026

• croaring-rs

  Public
  Rust FFI wrapper for CRoaring

  rustbitsetwrapper+ 3

  rustbitsetwrapperroaring-bitmapsbitset-librarycroaring

  C

  •

  Apache License 2.0

  •4343 forks•167167 stars•11 issue•00 pull requests•Updated Apr 3, 2026Apr 3, 2026

• JitPackRoaringBitmapProject

  Public
  Using the RoaringBitmap library with JitPack

  Java

  •00 forks•11 star•00 issues•00 pull requests•Updated Feb 20, 2026Feb 20, 2026

• CentralRoaringBitmapProject

  Public
  Java

  •00 forks•00 stars•00 issues•00 pull requests•Updated Feb 20, 2026Feb 20, 2026

• RoaringBitmapWebsite

  Public
  This is just the content of the web site at http://roaringbitmap.org/

  HTML

  •66 forks•00 stars•00 issues•00 pull requests•Updated Dec 16, 2025Dec 16, 2025

• RoaringWebSiteHugo

  Public
  HTML

  •33 forks•00 stars•00 issues•11 pull request•Updated Dec 15, 2025Dec 15, 2025

• gocroaring

  Public
  Go wrapper for CRoaring

  C

  •

  Apache License 2.0

  •88 forks•4747 stars•00 issues•00 pull requests•Updated Dec 5, 2025Dec 5, 2025

• SwiftRoaring

  Public
  A better compressed bitset in Swift http://roaringbitmap.org/

  Swift

  •

  BSD 3-Clause "New" or "Revised" License

  •55 forks•5858 stars•00 issues•00 pull requests•Updated Dec 5, 2025Dec 5, 2025

• RoaringCLI

  Public
  A CLI (.NET) wrapper around Roaring64Map that exposes the existing native C++ interfaces for .NET callers

  C

  •

  Apache License 2.0

  •11 fork•77 stars•00 issues•00 pull requests•Updated May 26, 2025May 26, 2025

• MavenRoaringBitmapProject

  Public
  Using the RoaringBitmap library from a GitHub package (maven + gradle)

  Java

  •00 forks•00 stars•00 issues•00 pull requests•Updated Oct 24, 2024Oct 24, 2024

• croaring_cmake_demo_single_file

  Public
  Really simple cmake example with CRoaring

  CMake

  •00 forks•44 stars•00 issues•00 pull requests•Updated Oct 13, 2023Oct 13, 2023

• CPMdemo

  Public
  CMake

  •00 forks•00 stars•00 issues•00 pull requests•Updated Oct 13, 2023Oct 13, 2023

• pinot

  Public
  Apache Pinot - A realtime distributed OLAP datastore

  Java

  •

  Apache License 2.0

  •1.5k1.5k forks•00 stars•00 issues•00 pull requests•Updated Aug 12, 2022Aug 12, 2022

• real-roaring-datasets

  Public
  for benchmarking other implementations, just the datasets from https://github.com/RoaringBitmap/RoaringBitmap/tree/master/real-roaring-dataset/src/main/resource…

  Go

  •00 forks•88 stars•00 issues•00 pull requests•Updated Jun 25, 2021Jun 25, 2021

• croaring_cmake_demo_from_single_header

  Public
  Really simple CMake demo using CRoaring's single header files.

  CMake

  •00 forks•44 stars•00 issues•00 pull requests•Updated May 17, 2021May 17, 2021

• croaring_cmake_demo

  Public
  Demonstration of how you might use CRoaring as a CMake dependency as a subdirectory

  CMake

  •00 forks•44 stars•00 issues•00 pull requests•Updated Aug 17, 2020Aug 17, 2020

• CBitmapCompetition

  Public archive
  A comparison between different integer set techniques

  C++

  •

  Apache License 2.0

  •66 forks•1414 stars•33 issues•00 pull requests•Updated Apr 13, 2018Apr 13, 2018

• BenchmarkingRoaringOnDruid

  Public
  Benchmarking Roaring and Concise performances under Druid.

  Gnuplot

  •22 forks•11 star•00 issues•00 pull requests•Updated Jan 8, 2016Jan 8, 2016