Widely used

Roaring is found in

• Google Procella: YouTube’s SQL Engine,
• Apache Lucene and derivative systems such as Solr and Elasticsearch,
• Apache Druid,
• Apache Spark,
• Apache Hive,
• Apache Tez,
• Apache Zeppelin,
• Apache Doris,
• Apache CarbonData,
• ClickHouse,
• Netflix Atlas,
• Apache Pinot,
• OpenSearchServer,
• Cloud Torrent,
• Whoosh,
• InfluxDB,
• Pilosa,
• Bleve,
• Microsoft Visual Studio Team Services (VSTS),
• Intel’s Optimized Analytics Package (OAP),
• Tablesaw,
• Jive Miru,
• Gaffer,
• Apache Hivemall,
• lindb,
• Elasticell,
• SourceGraph,
• M3,
• FrostDB,
• StarRocks,
• Redpanda,
• trident,
• Circonus’ IRONdb time-series database,
• Apache Kylin.

Portable

There are freely available software libraries providing Roaring bitmaps in almost all the popular programming languages:

• Java,
• C, C++,
• Go,
• C#,
• Swift,
• Rust wrapper,
• Rust port,
• Swift,
• Python,
• Node/JavaScript,
• D,
• …

There is a serialized format specification for interoperability between implementations.