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Data

OpenRefine — Messy Data Cleanup

Clean, reconcile and reshape spreadsheets that fight back.

A desktop tool for the unglamorous part of data work: clustering inconsistent spellings, splitting merged columns and reconciling records against external databases. Every operation is recorded, so the same cleanup can be replayed on next month's export.

data cleaningspreadsheetcsvanalysis

What you get

  • Desktop app — delivered from the official source, always the latest version.
  • Licence: BSD — open source. Safe to use in personal and client work.
  • No signup, no email wall, no download manager.
DataKaggle Dataset Library

Tens of thousands of analysis-ready datasets.

CSV / notebooks · Varies — per dataset

DataOur World in Data

Charts and raw data on global trends, free to reuse.

CSV + charts · Creative Commons

DataGoogle Dataset Search

One search box across the world's open datasets.

Search engine · Varies

DataWorld Bank Open Data

Economic indicators for every country, via API.

CSV / API · Creative Commons

DataRealistic Test Data Generator

Generate believable CSV and JSON fixtures instantly.

CSV / JSON / SQL · Free tier — no card required

See the full Data collection

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The decks that raised money, page by page.

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Official targeting, budget and measurement training.

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