What Software Have You Discovered This Year That You Actually Use Daily

[SchrodingersCat]

Not asking about the latest AI model or the biggest enterprise release. Asking about the thing you started using at some point this year, maybe after a recommendation or by accident, that has quietly become part of how you work every day.

Could be a tiny utility, a note-taking app, a browser extension, something you wrote yourself. What has genuinely changed how you work?