Visual control panel for localhosts
Gretl is a port manager for developers. It sits in your menu bar, watches every port on your machine, and lets you name, group, start, stop, and share them — so "what's running on 3001?" is never a mystery. Works standalone or alongside your existing tools. Ships with a CLI (gr list, gr start), a Python/Ruby/Node SDK, and a gr.toml you can commit so teammates get the same setup automatically.
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