OpenRefine

What it does

OpenRefine is a powerful tool for working with messy data: cleaning it; transforming it from one format into another; and extending it with web services and external data. Project development, documentation and promotion is now fully supported by volunteers.

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. Drill through large datasets using facets and apply operations on filtered views of your dataset. Fix inconsistencies by merging similar values thanks to powerful heuristics. Match your dataset to external databases via reconciliation services. Rewind to any previous state of your dataset and replay your operation history on a new version of it. Your…from openrefine.org

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