Description: Wikidata is a free and open knowledge base that can be read and edited by both humans and machines. It acts as central storage for the structured data of its Wikimedia sister projects including Wikipedia, Wikivoyage, Wiktionary, Wikisource, and others.
Type: software
Pricing: Free
Description: Windy is a free and open-source desktop application for Windows, Mac and Linux used to view weather forecasts, radar imagery, wind and waves forecasts. It has an intuitive interface showing weather data on interactive maps.
Type: software
Pricing: Open Source