SQL Police Department - Learn SQL while solving crimes! Climb the ranks of SQL PD.
RapidClipse - RapidClipse is a web-based development platform that allows you to build the app with Java and provides you with a hustle-free configuration.
Slack SQL - Execute SQL queries inside of Slack
EntelliFusion - Data Fabric
SQL Play - Run SQL in your phone
Rivery.io - Rivery is a web-based development platform that is used to manage, create, control, and monitor a large number of data pipelines.