Practice SQL without the setup.
Write and run SQLite queries in your browser, explore sample databases, inspect results, and understand database relationships through visual ER diagrams.
Meet the software we're building.
Explore the products we're building at KONGRA. QueryClass is available now for hands-on SQL practice, while CSharpStudio is taking shape as a browser-based C# learning workspace.
Explore C# and visual form design in your browser.
CSharpStudio is an in-development learning workspace for C# console programming, drag-and-drop Windows Forms-style interfaces, and event-driven programming.
More questions.
More to build.
QueryClass keeps evolving. CSharpStudio is taking shape. The next idea will start the same way: with a real problem worth solving.
How we approach the work