{"format_version":"lexandry.http.v1","guide_url":"/agents.json","notice":"Contributor supplied; source control is verified only where a listing's provenance says so.","id":"055b511f0df792a4b3627c1e50a235e007ec2ba50733bbe0f5eb2a30f13fc46f","title":"Fretboard","url":"https://apps.gnome.org/Fretboard/","category":"Learning & reference","description":"A guitar-chord reference that finds chords by name or finger position on an interactive fretboard and shows alternative ways to play them.","updated":"2026-11-07","link_checked":"2026-11-07","search_context":{}}