There are 2 repositories under roaring-bitmaps topic.
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
RoaringBitmap extension for PostgreSQL
Python library for handling efficiently sorted integer sets.
Rust FFI wrapper for CRoaring
RoaringBitmap extension for greenplum-db
Dumps of CRoaring unity builds (for convenience)
A fast and memory-limited landmask based on GSHHG for determing whether a point on Earth is on land or in the ocean.
The main objective of the project is to research and develop a functional software solution for e-commerce. Registration number: CZ.01.1.02/0.0/0.0/19_262/0020308
Regex Engine using SIMD and Roaring-Bitmaps
This is a go version of the Roaring bitmap data structure, for 64-bit integers. It uses the same approach as the C++ and Rust version to build a BTree map of bitmaps.
Flow Aggregation Service
C++ Roaring bitmaps for microsoft Visual Studio 2015 compiled with clang.