Software · Education & science

Fretboard

Look up guitar chords.

Completely free
Linux
Open source

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Geographic availability: No geographic restriction found in our sources; availability is not checked country by country.

Technical details

Pricing: Completely freeconfirmed by Flathub
License: GPL-3.0+ — Open source (copyleft)confirmed by Flathub
Open source: Yes
Commercial use: Yesconfirmed by Flathub, Official plan pages (pricing, licence, terms)
Account required: not documented
Credit card required: Noconfirmed by Flathub
Watermark: Not applicable
Ads: not documented
Platforms: LinuxEstablished by Linux: Flathub
Publisher: Brage Fuglseth
Latest version: 9.1 (14 April 2025)
Latest activity: 28 March 2026
Source code: github.com/bragefuglseth/fretboard

At a glance

Fretboard is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (GPL-3.0+) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

Open source code
Commercial use allowed

About

How was that chord played, again? Fretboard lets you find guitar chords by typing their names or plotting them on an interactive guitar neck. When you have identified a chord, you can experiment with changing it, see more ways to play it, or bookmark it to save it for later. No matter if you are a beginner or an advanced guitarist, you can use Fretboard to practice, learn, and master your favorite songs! Fretboard is proudly part of GNOME Circle, an initiative that champions the great software that is available for the GNOME platform. For more information, visit the GNOME Circle website.

Description from Flathub — AppStream (Flathub)

Sources and checks

Facts collected from Flathub (credit card, source code, publisher, licence, free status, platforms, commercial use, version) — 10 November 2026
Facts collected from Official plan pages (pricing, licence, terms) (commercial use) — 7 November 2026
Last technical check: 6 November 2026
Description from Flathub — AppStream (Flathub)

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