Wikidata is a free and open knowledge base that can be read and edited by both humans and machines.

Wikidata acts as central storage for the structured data of its Wikimedia sister projects including Wikipedia, Wikivoyage, Wikisource, and others.

Wikidata also provides support to many other sites and services beyond just Wikimedia projects! The content of Wikidata is available under a free license, exported using standard formats, and can be interlinked to other open data sets on the linked data web.

SQLCheck automates the detection of common anti-patterns in SQL queries.

How to use RFC-compliant UUIDs instead of URL-like identifiers in Wordpress' "guid" field.

SQLCheck automates the detection of common anti-patterns in SQL queries. Such anti-patterns often increase the time taken to run the queries on a database management system. Addressing these anti-patterns will, therefore, help improve the runtime performance of the queries. This tool targets all SQL dialects.

An open-source time-series database fully compatible with Postgres for fast ingest and complex queries.