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OpenRefine

4 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
sample-extension
Example extension provided for demonstration purposes

JavaScript · 5 stars

Beginner friendly Everything

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add duckdb connectivity Open

Status: Pending Review Type: Feature Request

Difficulty 3/5 1-2 days Newbie friendliness 35/100

OpenRefine/OpenRefine#7967 · Opened Sep 16, 2026
Make Windows installer kit the default download for Windows users Open

enhancement javascript

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

OpenRefine/openrefine.org#605 · Opened Sep 3, 2026
Download page should point to latest release 3.10.1 Open

Difficulty 2/5 1-3 hours Newbie friendliness 75/100

OpenRefine/openrefine.org#604 · 1 comment · Opened Sep 3, 2026
Refactor snapshot build to require successful tests before build Open

github_actions Type: Bug

OpenRefine/OpenRefine#7941 · 1 comment · 1 assignee · Opened Sep 1, 2026
JRELoadError trying to load bundled Java 21 JRE for Mac OS X Open

CI/CD java version compatibility maven Platform: macOS Type: Bug

OpenRefine/OpenRefine#7894 · 1 assignee · Opened Aug 6, 2026
Bundled JRE versions need to be updated Open

CI/CD Type: Bug

OpenRefine/OpenRefine#7893 · 1 assignee · Opened Aug 5, 2026
Build/package instructions are inconsistent and unclear Open

CI/CD maven Type: Bug Type: Documentation

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

OpenRefine/OpenRefine#7885 · 3 comments · Opened Aug 1, 2026
Extend forEachIndex to work with internal HasFields objects like Cell, Row, etc Open

grel Type: Feature Request

OpenRefine/OpenRefine#7880 · 1 assignee · Opened Jul 31, 2026
Snapshot build failure - NullPointerException: Cannot enter synchronized block because "project" is null Open

Status: Pending Review Type: Bug

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

OpenRefine/OpenRefine#7871 · 3 comments · Opened Jul 30, 2026
Participate in the 2026 OpenRefine User Survey Open

Difficulty 1/5 Under an hour Newbie friendliness 20/100

OpenRefine/OpenRefine#7869 · Opened Jul 27, 2026
Migrate use of apache.commons.lang.Validate to commons-lang3 Open

dependencies maintainability Type: Bug

OpenRefine/OpenRefine#7861 · 1 assignee · Opened Jul 21, 2026
Update to Jackson 3 Open

maintainability Status: Pending Review Type: Feature Request

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

OpenRefine/OpenRefine#7847 · 2 comments · Opened Jul 15, 2026
Wikibase autocomplete suggestion box overflows screen and is difficult to navigate Open

Theme: UX/Usability Type: Bug wikibase

OpenRefine/OpenRefine#7843 · 5 comments · 1 assignee · Opened Jul 13, 2026
Expand Java version testing matrix Open

CI/CD Status: Pending Review Type: Feature Request

Difficulty 2/5 1-3 hours Newbie friendliness 63/100

OpenRefine/OpenRefine#7790 · Opened May 17, 2026
Making joining records easier across 2 datasets Open

cross/join Theme: UX/Usability Type: Feature Request

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

OpenRefine/OpenRefine#7761 · 2 comments · Opened Apr 30, 2026
File handle leak in LoadLanguageCommand.java Open

Priority: Low Type: Bug

OpenRefine/OpenRefine#7759 · 2 comments · 1 assignee · Opened Apr 30, 2026
Add CI tests Open

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

OpenRefine/sample-extension#64 · Opened Apr 9, 2026
Move to org.openrefine package instead of com.google.refine Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

OpenRefine/sample-extension#63 · Opened Apr 9, 2026
NormalizedCompressionDistance (NCD) - replacement for PPM Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

OpenRefine/OpenRefine#7727 · Opened Mar 21, 2026
Migrate to more modern string similarity library Open

Status: Pending Review Type: Feature Request

OpenRefine/OpenRefine#7725 · 1 comment · 1 assignee · Opened Mar 21, 2026
Clean up and document REST API Open

Module: API Type: Feature Request

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

OpenRefine/OpenRefine#7712 · Opened Mar 14, 2026
Apply facets holistically to each row rather than to each record Open

records Type: Design Discussions Type: Feature Request

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

OpenRefine/OpenRefine#7710 · 3 comments · Opened Mar 13, 2026
Upgrade to Jetty 12 Open

Status: Pending Review Type: Feature Request

OpenRefine/OpenRefine#7706 · 1 assignee · Opened Mar 13, 2026
TSV exporter escapes backslashes Open

CSV/TSV export Type: Bug

OpenRefine/OpenRefine#7704 · 1 assignee · Opened Mar 13, 2026
Complete Migration of the Wiki Open

Difficulty 5/5 Over a week Newbie friendliness 32/100

OpenRefine/openrefine.org#551 · 1 comment · Opened Mar 12, 2026
Improve reconciliation service error handling Open

reconciliation Type: Bug

OpenRefine/OpenRefine#7699 · 2 comments · 1 assignee · Opened Mar 12, 2026
Refactor release build to not require pre-published release Open

CI/CD github_actions Type: Bug

OpenRefine/OpenRefine#7692 · 2 comments · 1 assignee · Opened Mar 4, 2026
Split developer information out of translators page Open

OpenRefine/openrefine.org#542 · 2 reactions · 2 assignees · Opened Feb 24, 2026
Clarify the GitHub organization membership in the documentation Open

documentation

OpenRefine/openrefine.org#531 · 5 comments · 2 reactions · 1 assignee · Opened Feb 11, 2026
Clarify the v4 architecture documentation Open

documentation

Difficulty 1/5 1-3 hours Newbie friendliness 45/100

OpenRefine/openrefine.org#530 · Opened Feb 10, 2026
Item out of list Open

Status: Pending Review Type: Bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

OpenRefine/OpenRefine#7652 · Opened Feb 10, 2026
Add "trainer" contributor page Open

documentation

Difficulty 2/5 Half a day Newbie friendliness 62/100

OpenRefine/openrefine.org#529 · 6 comments · Opened Feb 6, 2026
Add "user support" contributor page Open

documentation

Difficulty 3/5 1-2 days Newbie friendliness 45/100

OpenRefine/openrefine.org#528 · 1 reaction · Opened Feb 6, 2026
Add documentation for each contribution type on community page Open

documentation

Difficulty 2/5 Half a day Newbie friendliness 52/100

OpenRefine/openrefine.org#527 · Opened Feb 6, 2026
Add details on Weblate integration Open

Difficulty 2/5 1-3 hours Newbie friendliness 62/100

OpenRefine/openrefine.org#526 · Opened Feb 6, 2026
Add `any` and `all` GREL controls for working with arrays of booleans Open

grel Status: Pending Review Type: Feature Request

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

OpenRefine/OpenRefine#7636 · Opened Feb 3, 2026
Spread/unpack operator support for GREL Open

grel Type: Feature Request

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

OpenRefine/OpenRefine#7635 · 1 comment · Opened Feb 3, 2026
Assess impact of upgrading to jQuery 4.x Open

javascript maintainability Module: Frontend Type: Feature Request

Difficulty 4/5 3-5 days Newbie friendliness 48/100

OpenRefine/OpenRefine#7634 · 4 comments · Opened Feb 2, 2026
Feature to duplicate a project Open

Type: Feature Request

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

OpenRefine/OpenRefine#7633 · 3 comments · 1 reaction · Opened Jan 31, 2026
On "Open project" page, search string persists after clicking "All" Open

Type: Bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

OpenRefine/OpenRefine#7632 · 2 comments · Opened Jan 31, 2026
Remove outdated code references from extension documentation Open

documentation

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

OpenRefine/openrefine.org#522 · 3 comments · Opened Jan 29, 2026
[Feature] : Documentation Feedback Widget Open

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

OpenRefine/openrefine.org#519 · 3 comments · Opened Jan 23, 2026
[Feature] : Interactive Glossary Tooltips Open

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

OpenRefine/openrefine.org#518 · 4 comments · Opened Jan 23, 2026
Add further documentation for submitting pull requests Open

maintainability Type: Documentation Type: Feature Request

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

OpenRefine/OpenRefine#7619 · 1 comment · Opened Jan 22, 2026
Fix SLF4J config for logger in unit tests Open

OpenRefine/sample-extension#54 · 2 comments · 1 assignee · Opened Jan 22, 2026
Make map() a synonym for forEach() in GREL Open

grel Type: Feature Request

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

OpenRefine/OpenRefine#7618 · 1 reaction · Opened Jan 22, 2026
[Feature] : Create Interactive Extension Gallery with Search, Filtering, and Installation Details Open

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

OpenRefine/openrefine.org#512 · 2 comments · Opened Jan 20, 2026
A bug that occurs when creating the Wikidata schema Open

Status: Pending Review Type: Bug wikibase

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

OpenRefine/OpenRefine#7609 · 1 reaction · Opened Jan 15, 2026
[FEATURE]:- Add Events Calendar Page to Showcase Community Calls, Workshops, and Conferences Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

OpenRefine/openrefine.org#506 · 10 comments · Opened Jan 12, 2026
Wikibase CI failures due to retired test Wikibase instance Open

CI/CD maintainability Type: Bug wikibase

OpenRefine/OpenRefine#7589 · 9 comments · 1 assignee · Opened Dec 18, 2025

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