# Apache Arrow

> Apache Arrow is an open-source, self-hosted columnar in-memory data platform for efficient vector data interchange and processing in AI applications. Key features include zero-copy reads, multi-language libraries, and Apache 2.0 license for free use. Used for high-performance data loading in RAG pipelines and ML workflows, offering cost-free scalability vs proprietary formats.

- **URL:** https://arrow.apache.org/
- **Category:** Open Source Vector Databases
- **Tags:** Open Source, self-hosted, In Memory, data-integration
- **Updated:** 2026-04-23 01:18
- **Canonical page:** https://vectordb.ever.works/items/apache-arrow

## Details

## Overview

Apache Arrow is an open-source development platform for in-memory data, optimized for vector and analytic workloads.

## Features

- Universal columnar format
- Zero-copy reads
- Multi-language support (C++, Python, Java, etc.)
- High-performance analytics on CPU/GPU

## Pricing

Free and open-source under Apache 2.0 license.

---

_This Markdown mirror is generated by Ever Works for AI agents. The canonical HTML page is at https://vectordb.ever.works/items/apache-arrow._