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What's inside OpenRefine/OpenRefine

OpenRefine/OpenRefine is a Java repo with 226,064 lines written. OpenRefine is built with javax.servlet:javax.servlet-api, org.eclipse.jetty:jetty-server, org.eclipse.jetty:jetty-util, and 2 more and uses Postgres, MySQL, and SQLite. AI signed 0.3% of the 8,101 commits of OpenRefine.

Built with 5
OpenRefineJava · BSD-3-Clause
lines written
226,064
product files
704
test files
491
GitHub stars
12,097
Uses 1711 more

Read on November 11, 2026, at commit 024c9c1.See each one with its proof

The card says what it's built with. Its whole map opens it up: every part of the code and how it connects to the rest.

How much of OpenRefine did AI write?

0.3%

AI signed 0.3% of the 8,101 commits of OpenRefine.

Signed by an AIWithout one

Who writes it

Frequently asked questions

What is OpenRefine/OpenRefine?
OpenRefine/OpenRefine is a Java repo with 226,064 lines written. Its description on GitHub: “OpenRefine is a free, open source power tool for working with messy data and improving it”

The proof: its page on GitHub

What is OpenRefine built with?
OpenRefine is built with javax.servlet:javax.servlet-api, org.eclipse.jetty:jetty-server, org.eclipse.jetty:jetty-util, and 2 more and uses Postgres, MySQL, and SQLite.

The proof: each service with its file and line

How much of OpenRefine did AI write?
AI signed 0.3% of the 8,101 commits of OpenRefine.

The proof: the commits each tool signed

What license does OpenRefine have?
OpenRefine is released under the BSD-3-Clause license.

The proof: its page on GitHub

How many stars does OpenRefine have on GitHub?
OpenRefine had 12,097 stars on GitHub on November 11, 2026.

The proof: its page on GitHub

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