MarkerOn
Rating
Jul 10, 2026 · via hackernews.com
Lightweight keyboard-first screen annotation tool that works across any app.
Lets designers quickly mark up live screens during reviews or presentations without switching tools, staying lightweight at 1.5MB versus heavy Electron alternatives.
AnnotationProductivityDesktopTauri
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MarkerOn is a lightweight desktop annotation tool (built with Tauri v2, clocking in at ~1.5 MB) that lets you draw over any application using keyboard shortcuts rather than fiddling with toolbars. It lives in the system tray and stays out of your way until you need it, with a click-through mode that lets your marks persist while you keep working underneath them.
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