Glitchlet is a lightweight, browser-based creative-coding environment (HTML/CSS/JS only). Think “Glitch-lite” for shared hosting: students edit multi-file projects in the browser with instant preview, save locally via IndexedDB, and later publish to a class projects folder.
Source: samplereality/glitchlet: A Glitch-lite/Glitch-like creative coding workbench
h/t Brian B.