Roaring bitmaps: A better compressed bitset

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

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RoaringBitmap RoaringBitmap Public

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

Java 3.9k 592
roaring roaring Public

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

Go 2.9k 261
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 1.9k 328
RoaringFormatSpec RoaringFormatSpec Public

Specification of the compressed-bitmap Roaring format

Kaitai Struct 188 16
SwiftRoaring SwiftRoaring Public

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

Swift 61 5
roaring-rs roaring-rs Public

A better compressed bitset in Rust

Rust 952 114

Repositories

Type Language Sort

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

RoaringBitmap/roaring's past year of commit activity

Go 2,924 Apache-2.0 261 61 (21 issues need help) 13 Updated Aug 24, 2026
gocroaring Public
Go wrapper for CRoaring

RoaringBitmap/gocroaring's past year of commit activity

C 48 Apache-2.0 8 0 0 Updated Aug 22, 2026
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 1,876 328 51 (12 issues need help) 7 Updated Aug 22, 2026
SwiftRoaring Public
A better compressed bitset in Swift http://roaringbitmap.org/

RoaringBitmap/SwiftRoaring's past year of commit activity

Swift 61 BSD-3-Clause 5 0 0 Updated Aug 22, 2026
roaring-rs Public
A better compressed bitset in Rust

RoaringBitmap/roaring-rs's past year of commit activity

Rust 952 Apache-2.0 114 39 13 Updated Aug 12, 2026
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 3,916 Apache-2.0 592 70 (18 issues need help) 7 Updated Aug 5, 2026
croaring-rs Public
Rust FFI wrapper for CRoaring

RoaringBitmap/croaring-rs's past year of commit activity

C 173 Apache-2.0 44 1 2 Updated Aug 5, 2026
RoaringWebSiteHugo Public

RoaringBitmap/RoaringWebSiteHugo's past year of commit activity

HTML 0 3 0 1 Updated May 27, 2026
RoaringFormatSpec Public
Specification of the compressed-bitmap Roaring format

RoaringBitmap/RoaringFormatSpec's past year of commit activity

Kaitai Struct 188 Apache-2.0 16 2 0 Updated Apr 3, 2026
JitPackRoaringBitmapProject Public
Using the RoaringBitmap library with JitPack

RoaringBitmap/JitPackRoaringBitmapProject's past year of commit activity

Java 1 0 0 0 Updated Feb 20, 2026