OpenRefine is a free, open source power tool for working with messy data and improving it

11.9K stars 2.1K forks 11.9K watchers Java BSD 3-Clause "New" or "Revised" License
data-analysis data-science data-wrangling datacleaning datacleansing datajournalism datamining java journalism opendata reconciliation wikidata
24 Open Issues Need Help Last updated: Jul 4, 2026

Open Issues Need Help

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Type: Feature Request Good First Issue localization reconciliation grel

OpenRefine is a free, open source power tool for working with messy data and improving it

Java
#data-analysis#data-science#data-wrangling#datacleaning#datacleansing#datajournalism#datamining#java#journalism#opendata#reconciliation#wikidata
Type: Feature Request Good First Issue wikibase

OpenRefine is a free, open source power tool for working with messy data and improving it

Java
#data-analysis#data-science#data-wrangling#datacleaning#datacleansing#datajournalism#datamining#java#journalism#opendata#reconciliation#wikidata
Type: Feature Request Good First Issue wikibase

OpenRefine is a free, open source power tool for working with messy data and improving it

Java
#data-analysis#data-science#data-wrangling#datacleaning#datacleansing#datajournalism#datamining#java#journalism#opendata#reconciliation#wikidata
Type: Feature Request Theme: UX/Usability Good First Issue reconciliation

OpenRefine is a free, open source power tool for working with messy data and improving it

Java
#data-analysis#data-science#data-wrangling#datacleaning#datacleansing#datajournalism#datamining#java#journalism#opendata#reconciliation#wikidata
Type: Feature Request Theme: UX/Usability Module: Frontend help wanted facets design proposal needed size/S

OpenRefine is a free, open source power tool for working with messy data and improving it

Java
#data-analysis#data-science#data-wrangling#datacleaning#datacleansing#datajournalism#datamining#java#journalism#opendata#reconciliation#wikidata
Type: Bug Good First Issue error handling jython

OpenRefine is a free, open source power tool for working with messy data and improving it

Java
#data-analysis#data-science#data-wrangling#datacleaning#datacleansing#datajournalism#datamining#java#journalism#opendata#reconciliation#wikidata
Type: Feature Request imported from old code repo Priority: Medium logic help wanted

OpenRefine is a free, open source power tool for working with messy data and improving it

Java
#data-analysis#data-science#data-wrangling#datacleaning#datacleansing#datajournalism#datamining#java#journalism#opendata#reconciliation#wikidata
Module: Frontend Good First Issue localization

OpenRefine is a free, open source power tool for working with messy data and improving it

Java
#data-analysis#data-science#data-wrangling#datacleaning#datacleansing#datajournalism#datamining#java#journalism#opendata#reconciliation#wikidata

AI Summary: The scatterplot facet feature is failing to correctly apply its configured transformations when a user makes a selection. Specifically, selections made on a log-scaled facet are interpreted using linear values, and 45-degree rotation settings are completely ignored. This results in inaccurate data filtering based on the visual selection area.

Complexity: 3/5
Type: Bug help wanted facets Difficulty: Intermediate

OpenRefine is a free, open source power tool for working with messy data and improving it

Java
#data-analysis#data-science#data-wrangling#datacleaning#datacleansing#datajournalism#datamining#java#journalism#opendata#reconciliation#wikidata
Type: Bug Priority: Medium Module: Frontend help wanted facets Difficulty: Intermediate size/S

OpenRefine is a free, open source power tool for working with messy data and improving it

Java
#data-analysis#data-science#data-wrangling#datacleaning#datacleansing#datajournalism#datamining#java#journalism#opendata#reconciliation#wikidata
Type: Bug Good First Issue Theme: UI/Visual

OpenRefine is a free, open source power tool for working with messy data and improving it

Java
#data-analysis#data-science#data-wrangling#datacleaning#datacleansing#datajournalism#datamining#java#journalism#opendata#reconciliation#wikidata
maintainability tests help wanted CI/CD

OpenRefine is a free, open source power tool for working with messy data and improving it

Java
#data-analysis#data-science#data-wrangling#datacleaning#datacleansing#datajournalism#datamining#java#journalism#opendata#reconciliation#wikidata
Type: Feature Request Good First Issue wikibase

OpenRefine is a free, open source power tool for working with messy data and improving it

Java
#data-analysis#data-science#data-wrangling#datacleaning#datacleansing#datajournalism#datamining#java#journalism#opendata#reconciliation#wikidata

OpenRefine is a free, open source power tool for working with messy data and improving it

Java
#data-analysis#data-science#data-wrangling#datacleaning#datacleansing#datajournalism#datamining#java#journalism#opendata#reconciliation#wikidata
Type: Feature Request Theme: UX/Usability Good First Issue

OpenRefine is a free, open source power tool for working with messy data and improving it

Java
#data-analysis#data-science#data-wrangling#datacleaning#datacleansing#datajournalism#datamining#java#journalism#opendata#reconciliation#wikidata
Type: Feature Request help wanted facets

OpenRefine is a free, open source power tool for working with messy data and improving it

Java
#data-analysis#data-science#data-wrangling#datacleaning#datacleansing#datajournalism#datamining#java#journalism#opendata#reconciliation#wikidata
Type: Bug logic localization help wanted

OpenRefine is a free, open source power tool for working with messy data and improving it

Java
#data-analysis#data-science#data-wrangling#datacleaning#datacleansing#datajournalism#datamining#java#journalism#opendata#reconciliation#wikidata
Type: Feature Request imported from old code repo Module: Frontend Priority: High help wanted

OpenRefine is a free, open source power tool for working with messy data and improving it

Java
#data-analysis#data-science#data-wrangling#datacleaning#datacleansing#datajournalism#datamining#java#journalism#opendata#reconciliation#wikidata
Type: Feature Request imported from old code repo Priority: Medium help wanted transpose/pivot

OpenRefine is a free, open source power tool for working with messy data and improving it

Java
#data-analysis#data-science#data-wrangling#datacleaning#datacleansing#datajournalism#datamining#java#journalism#opendata#reconciliation#wikidata
Type: Feature Request help wanted :dollar: Funded on Issuehunt

OpenRefine is a free, open source power tool for working with messy data and improving it

Java
#data-analysis#data-science#data-wrangling#datacleaning#datacleansing#datajournalism#datamining#java#journalism#opendata#reconciliation#wikidata
Type: Bug maintainability Good First Issue CI/CD

OpenRefine is a free, open source power tool for working with messy data and improving it

Java
#data-analysis#data-science#data-wrangling#datacleaning#datacleansing#datajournalism#datamining#java#journalism#opendata#reconciliation#wikidata
Type: Bug Status: Needs More Information export help wanted

OpenRefine is a free, open source power tool for working with messy data and improving it

Java
#data-analysis#data-science#data-wrangling#datacleaning#datacleansing#datajournalism#datamining#java#journalism#opendata#reconciliation#wikidata
Type: Feature Request Good First Issue Theme: UI/Visual

OpenRefine is a free, open source power tool for working with messy data and improving it

Java
#data-analysis#data-science#data-wrangling#datacleaning#datacleansing#datajournalism#datamining#java#journalism#opendata#reconciliation#wikidata
Type: Bug maintainability Good First Issue

OpenRefine is a free, open source power tool for working with messy data and improving it

Java
#data-analysis#data-science#data-wrangling#datacleaning#datacleansing#datajournalism#datamining#java#journalism#opendata#reconciliation#wikidata