Apache Arrow

arrow.apache.orgsite

A high-performance cross-system data layer for columnar in-memory analytics.

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2026-10-10

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1. ▲
   Apache Arrow (⭐17k) github.com

   tool category #integration link ↗

   Language-agnostic columnar in-memory format for fast data interchange, including the Arrow IPC format and Flight RPC for moving data between systems.

   
2. ▲
   Datafusion datafusion.apache.org

   site category #analytics link ↗

   Arrow centric - SQL and in memory analytics for general usage

3. ▲
   Dremio dremio.com

   site category #bigdata link ↗

   an open-source, SQL-like Data-as-a-Service Platform based on Apache Arrow.

   
4. ▲
   Apache S4 incubator.apache.org

   site category #bigdata link ↗

   framework for stream processing, implementation of S4.

5. ▲
   Apache Accumulo accumulo.apache.org

   site category #bigdata link ↗

   distributed key/value store, built on Hadoop.

6. ▲
   Apache Geode geode.apache.org

   site category #data-engineering link ↗

   An open source, distributed, in-memory database for scale-out applications.

JVM › Memory and concurrency: “A high-performance cross-system data layer for columnar in-memory analytics.”