Notepad
Run Amber in your browser
The real engine, compiled to WebAssembly and running on this page. Tables, qSQL, the join family and the backslash commands all work; nothing is installed and nothing leaves your browser.
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Editor 0 lines
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Ln 1, Col 1
Every run starts from a fresh engine and reads the editor like a script: statement by statement, with indented lines continuing the one above. Share copies a link with the code packed into it: whoever opens it sees your snippet run. The engine works in a background thread, so a long computation can be stopped.