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OpenRefine

5 indexed repositories · View on GitHub

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

Java · 12003 stars
openrefine.org
Source website for openrefine.org

TypeScript · 161 stars
CommonsExtension
An OpenRefine extension that helps with Wikimedia Commons editing: start projects from Wikimedia Commons categories; Commons-specific GRE...

Java · 29 stars
SparqlExtension
Extension which lets you create an OpenRefine project from a SPARQL query

Java · 6 stars
sample-extension
Example extension provided for demonstration purposes

JavaScript · 5 stars

Beginner friendly Everything

Open All

Add support for UI themes Open

Theme: UI/Visual Type: Feature Request

Difficulty 5/5 Over a week Newbie friendliness 35/100

OpenRefine/OpenRefine#7585 · 2 comments · Opened Dec 15, 2025
Transform dialog resizes continually as typing Open

Theme: UX/Usability Type: Bug

OpenRefine/OpenRefine#7571 · 2 comments · 1 reaction · 2 assignees · Opened Dec 10, 2025
db-extension: replace calls to deprecated `HttpUtilities` in `DatabaseImportController` Open

maintainability refactoring

OpenRefine/OpenRefine#7570 · 1 comment · 1 assignee · Opened Dec 9, 2025
Improve configuration of Github autogenerated release notes Open

maintainability Theme: UX/Usability Type: Feature Request

OpenRefine/OpenRefine#7568 · 4 comments · 2 reactions · 1 assignee · Opened Dec 9, 2025
Add a `reduce` GREL function Open

grel Type: Feature Request

OpenRefine/OpenRefine#7565 · 6 comments · 1 assignee · Opened Dec 8, 2025
Should empty rows create new record? Open

records Type: Bug

OpenRefine/OpenRefine#7555 · 6 comments · 1 assignee · Opened Dec 1, 2025
Jackson 3 migration Open

Type: Feature Request

Difficulty 5/5 Over a week Newbie friendliness 25/100

OpenRefine/OpenRefine#7547 · 1 comment · 1 reaction · Opened Nov 24, 2025
A process for smoke testing extensions Open

extension maintainability tests Type: Feature Request

OpenRefine/OpenRefine#7537 · 2 comments · 1 assignee · Opened Nov 11, 2025
Correct documentation for row.record.cells variable Open

documentation

Difficulty 2/5 1-3 hours Newbie friendliness 50/100

OpenRefine/openrefine.org#494 · 1 reaction · Opened Nov 6, 2025
Select and implement a Java API compatibility checker Open

maintainability Module: API Status: Pending Review Type: Feature Request

Difficulty 5/5 Over a week Newbie friendliness 25/100

OpenRefine/OpenRefine#7529 · 3 comments · Opened Nov 5, 2025
Remove unused Properties parameter from AbstractOperation.createProcess() API Open

maintainability refactoring Type: Feature Request

OpenRefine/OpenRefine#7527 · 2 comments · 1 assignee · Opened Nov 3, 2025
Replace Properties with SaveOptions in Change, HistoryEntry, Cell, etc Open

maintainability persistence refactoring

OpenRefine/OpenRefine#7523 · 1 assignee · Opened Nov 3, 2025
db-extension: Deprecate unused `ExecuteQueryCommand` Open

maintainability SQL/database

OpenRefine/OpenRefine#7513 · 7 comments · 1 assignee · Opened Oct 27, 2025
Allow users to partially apply histories Open

error handling Type: Feature Request undo/redo/history

Difficulty 5/5 Over a week Newbie friendliness 35/100

OpenRefine/OpenRefine#7500 · 13 comments · 1 reaction · Opened Oct 20, 2025
Legacy extension functions/controls causes AbstractMethodError Open

extension grel Type: Bug

OpenRefine/OpenRefine#7488 · 1 assignee · Opened Oct 8, 2025
Provide containerized setup for external services (db extension) Open

maintainability SQL/database Type: Feature Request

OpenRefine/OpenRefine#7481 · 6 comments · 2 reactions · 1 assignee · Opened Oct 6, 2025
Remove obsolete gzip "encoding" support and test Open

maintainability tests Type: Bug

OpenRefine/OpenRefine#7479 · 1 assignee · Opened Oct 3, 2025
Warn user about missing extensions on project import Open

extension Type: Bug

Difficulty 4/5 3-5 days Newbie friendliness 32/100

OpenRefine/OpenRefine#7474 · 1 reaction · Opened Sep 30, 2025
Update project guidelines to deal with "AI" Open

maintainability Status: Pending Review Type: Feature Request

Difficulty 5/5 Over a week Newbie friendliness 25/100

OpenRefine/OpenRefine#7468 · 4 reactions · Opened Sep 26, 2025
Add Donate Link on the homepage Open

Status: Pending Review Type: Feature Request

Difficulty 2/5 1-3 hours Newbie friendliness 52/100

OpenRefine/OpenRefine#7465 · 1 comment · Opened Sep 26, 2025
Standard API response format for public API Open

maintainability Module: API Status: Pending Review Type: Feature Request

Difficulty 5/5 Over a week Newbie friendliness 25/100

OpenRefine/OpenRefine#7462 · 1 reaction · Opened Sep 25, 2025
History deletion dialog is not triggered for some operations Open

Status: Pending Review Type: Bug wikibase

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OpenRefine/OpenRefine#7445 · Opened Sep 22, 2025
Align text in column menu items Open

Module: Frontend Theme: UI/Visual Type: Design Discussions

OpenRefine/OpenRefine#7442 · 4 comments · 1 assignee · Opened Sep 18, 2025
Wikidata data extension fails silently for invalid IDs Open

Status: Pending Review Type: Bug wikibase

Difficulty 4/5 3-5 days Newbie friendliness 45/100

OpenRefine/OpenRefine#7440 · Opened Sep 16, 2025
When adding column based on column, add a way of resetting facets or give a warning about active facets Open

facets Type: Feature Request

Difficulty 4/5 3-5 days Newbie friendliness 45/100

OpenRefine/OpenRefine#7438 · 3 comments · Opened Sep 16, 2025
Support collator strength and decomposition mode for row ordering Sort Open

localization Status: Pending Review Type: Feature Request

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OpenRefine/OpenRefine#7431 · Opened Sep 8, 2025
Extend normalize() function to support Unicode normalization forms Open

localization Status: Pending Review Type: Feature Request

Difficulty 3/5 1-2 days Newbie friendliness 48/100

OpenRefine/OpenRefine#7430 · Opened Sep 8, 2025
null data type Open

Difficulty 1/5 Under an hour Newbie friendliness 45/100

OpenRefine/openrefine.org#475 · 1 comment · Opened Aug 13, 2025
Manage extensions fails for installations not on root domain Open

javascript Module: Frontend Type: Bug

OpenRefine/OpenRefine#7387 · 2 comments · 1 assignee · Opened Aug 8, 2025
Two part Wikidata edits fail mid-way Open

Type: Bug wikibase

Difficulty 4/5 3-5 days Newbie friendliness 45/100

OpenRefine/OpenRefine#7386 · 2 comments · Opened Aug 7, 2025
XLSX Import of large file aborts without notifying user Open

import Status: Pending Review Type: Bug XLS(X)

Difficulty 4/5 3-5 days Newbie friendliness 25/100

OpenRefine/OpenRefine#7367 · Opened Jul 9, 2025
Improve checks & warnings for extensions using retired APIs Open

Difficulty: Advanced extension Type: Feature Request

OpenRefine/OpenRefine#7362 · 2 comments · 1 assignee · Opened Jul 4, 2025
Clean up build warnings - particularly for annotation processing Open

maintainability maven Type: Bug

OpenRefine/OpenRefine#7354 · 1 assignee · Opened Jun 25, 2025
Unable to deserialize changes for column renaming operation Open

Difficulty: Advanced persistence Type: Bug undo/redo/history

Difficulty 4/5 3-5 days Newbie friendliness 45/100

OpenRefine/OpenRefine#7341 · 2 comments · Opened Jun 14, 2025
Support menu option to "Add ID column" to help with row->record conversion Open

Status: Pending Review Type: Feature Request

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OpenRefine/OpenRefine#7339 · 7 comments · 2 reactions · Opened Jun 11, 2025
Add GREL Transform for Book-style Title Casing Open

grel Type: Feature Request

Difficulty 5/5 Over a week Newbie friendliness 35/100

OpenRefine/OpenRefine#7329 · 8 comments · Opened Jun 6, 2025
Add duration and estimated completion time for long running operations Open

Type: Feature Request

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OpenRefine/OpenRefine#7318 · 1 comment · Opened May 22, 2025
On uploading: `Exception in thread "Thread-5" java.lang.NullPointerException: Cannot invoke "String.length()" because "s" is null` Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OpenRefine/CommonsExtension#176 · 2 comments · Opened May 18, 2025
"No edit was generated" when trying to upload my changes back to Commons Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

OpenRefine/CommonsExtension#175 · Opened May 18, 2025
API: Simplify the response format of `get-all-project-metadata` Open

Module: API Type: Feature Request

OpenRefine/OpenRefine#7294 · 3 comments · 1 reaction · 2 assignees · Opened May 6, 2025
Drop JSONP support for reconciliation APIs Open

reconciliation Type: Feature Request

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OpenRefine/OpenRefine#7293 · 3 comments · 1 reaction · Opened May 6, 2025
Commons: Remote usage support Open

Status: Pending Review Type: Feature Request wikicommons

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OpenRefine/OpenRefine#7291 · Opened May 5, 2025
Null pointer exception when computing facets Open

facets Type: Bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OpenRefine/OpenRefine#7286 · 4 comments · Opened May 3, 2025
Wikibase schema accepts multiple columns in the same field Open

Status: Pending Review Type: Bug wikibase

Difficulty 3/5 1-2 days Newbie friendliness 54/100

OpenRefine/OpenRefine#7285 · Opened May 3, 2025
Add ability to opt into sending usage data Open

Status: Pending Review Type: Feature Request

Difficulty 5/5 Over a week Newbie friendliness 35/100

OpenRefine/OpenRefine#7275 · 4 comments · Opened Apr 28, 2025
Drag and drop for columns to reorder Open

columns design proposal needed Theme: UX/Usability Type: Feature Request

Difficulty 5/5 Over a week Newbie friendliness 35/100

OpenRefine/OpenRefine#7273 · 9 comments · Opened Apr 24, 2025
Feature Request: Enable custom GREL expressions for combining multiple columns in plugin input Open

Status: Pending Review Type: Feature Request

Difficulty 5/5 Over a week Newbie friendliness 25/100

OpenRefine/OpenRefine#7574 · 2 comments · Opened Apr 24, 2025
Wikibase: Handle file uploads with retries upon network error Open

Status: Pending Review Type: Bug wikibase

Difficulty 4/5 3-5 days Newbie friendliness 42/100

OpenRefine/OpenRefine#7266 · Opened Apr 17, 2025
Wikibase: Incorrect selection of Wikibase instance when loading not-a-Wikidata schema Open

Status: Pending Review Type: Bug wikibase

Difficulty 2/5 1-3 hours Newbie friendliness 58/100

OpenRefine/OpenRefine#7265 · Opened Apr 17, 2025
Wikibase: Read title pattern rules from Wikibase for QA Open

Type: Feature Request wikibase

Difficulty 5/5 Over a week Newbie friendliness 35/100

OpenRefine/OpenRefine#7264 · 1 comment · Opened Apr 17, 2025

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