The idea of visual composition of Wikidata queries, without having to write SPARQL code by hand, has been talked about for a while, and there are several proposed and existing tools around.
This task entails collecting information about these tools, and making it available to the community, so that they can be experimented with by more people, hopefully leading to improvements or inspiration for new tools.
Note: This task was part of the "Improving Visual SPARQL Query builders" project, carried out during the Wikimedia Hackathon 2019. Project poster: