Focusgrid
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About
Focusgrid is a JavaScript library for building web apps with resizable, splittable panes and reprogrammable keyboard shortcuts, similar to tmux. It works in vanilla web code and has optional React bindings, and is published on npm.
At a glance
Focusgrid adds resizable panes and keyboard focus navigation to a web app. It is worth prototyping if users need to split, rearrange or move between panels without leaving the keyboard. You supply the content inside each pane.
Good fit
Developers building browser workspaces, editors or dashboards with independently interactive panes.
Consider something else when
Skip it if you need a fixed layout or only a draggable divider.
Start here
Render two labeled text areas in a scratch React grid. Split one pane and move focus into its neighbor. Check that typing goes to the intended field and that shortcuts still behave inside the fields.
Cost and requirements
The published package is MIT-licensed. It ships React bindings and separate core and DOM modules for custom integrations.
Limits to know
Changing the active pane and moving browser focus are distinct actions in the documented API. Test focus restoration and shortcut conflicts with your actual controls.
Sources checked 2026-11-05. Source-based assessment.
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