Format Apache Arrow defines a language-independent columnar memory format for flat and nested data, organized for efficient analytic operations on modern hardware like CPUs and GPUs. The Arrow memory format also supports zero-copy reads for lightning-fast data access without serialization overhead. Learn more about the design or read the specification. Libraries Arrow's libraries implement the for
OpenRefine is a powerful free, open source tool for working with messy data: cleaning it; transforming it from one format into another; and extending it with web services and external data. Our goal is to empower everyone to meaningfully engage with data by providing an accessible open source tool and nurturing a diverse, supportive community. Download
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