Apache Superset is a platform for data exploration, collaboration, and visualization.
Wikimedia Cloud Services
A public instance of Superset is currently being tested.
How do I ...
See a list of recent queries from all users?
Look at the Query History under SQL Lab.
Run a SQL query?
Database configuration has a map of which schema is in which database.
Collaborate with others?
Create a dashboard, and add additional owners. Publish the same dashboard and it will also be publicly visible. To publish, click the "Draft" text adjacent to the star icon.
Create a visualization?
A chart can be created from any query. See the upstream documentation.