Skip to content
@RoaringBitmap

Roaring bitmaps: A better compressed bitset

Roaring bitmaps are compressed bitmaps. They can be hundreds of times faster. (Picture credit: tambako)

Pinned Loading

  1. RoaringBitmap RoaringBitmap Public

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

    Java 3.8k 577

  2. roaring roaring Public

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

    Go 2.8k 241

  3. CRoaring 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

    C 1.7k 295

  4. RoaringFormatSpec RoaringFormatSpec Public

    Specification of the compressed-bitmap Roaring format

    Kaitai Struct 167 16

  5. SwiftRoaring SwiftRoaring Public

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

    Swift 57 6

  6. roaring-rs roaring-rs Public

    A better compressed bitset in Rust

    Rust 858 92

Repositories

Showing 10 of 21 repositories
  • roaring Public

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

    RoaringBitmap/roaring’s past year of commit activity
    Go 2,773 Apache-2.0 241 64 (23 issues need help) 5 Updated Oct 23, 2025
  • RoaringBitmap Public

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

    RoaringBitmap/RoaringBitmap’s past year of commit activity
    Java 3,759 Apache-2.0 577 72 (19 issues need help) 3 Updated Oct 21, 2025
  • 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

    RoaringBitmap/CRoaring’s past year of commit activity
    C 1,700 295 53 (14 issues need help) 2 Updated Oct 10, 2025
  • croaring-rs Public

    Rust FFI wrapper for CRoaring

    RoaringBitmap/croaring-rs’s past year of commit activity
    C 161 Apache-2.0 44 1 0 Updated Oct 6, 2025
  • roaring-rs Public

    A better compressed bitset in Rust

    RoaringBitmap/roaring-rs’s past year of commit activity
    Rust 858 Apache-2.0 92 40 4 Updated Sep 18, 2025
  • RoaringBitmapWebsite Public

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

    RoaringBitmap/RoaringBitmapWebsite’s past year of commit activity
    HTML 0 5 0 0 Updated Aug 19, 2025
  • SwiftRoaring Public

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

    RoaringBitmap/SwiftRoaring’s past year of commit activity
    Swift 57 BSD-3-Clause 6 0 0 Updated Aug 19, 2025
  • RoaringBitmap/RoaringWebSiteHugo’s past year of commit activity
    HTML 0 4 0 1 Updated Aug 19, 2025
  • RoaringFormatSpec Public

    Specification of the compressed-bitmap Roaring format

    RoaringBitmap/RoaringFormatSpec’s past year of commit activity
    Kaitai Struct 167 Apache-2.0 16 2 0 Updated Jul 6, 2025
  • RoaringCLI Public

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

    RoaringBitmap/RoaringCLI’s past year of commit activity
    C 5 Apache-2.0 2 0 0 Updated May 26, 2025