KLOLABS Get Free
Chords And Birds Are Free Right Now

Tools For Musicians

Small, sharp music software from Dayton, Ohio. Find the chord, build the groove, write the song. Built to stay on your machine for years, not to sell you the next thing.

macOS · Windows · Linux

A3 E4 G4 B4 C3 C3 A2 A3 G3 A3 C4 A3 C3 G3 Am9
Ring 1Ring 2Ring 3Ring 4

The Apps

macOS · Windows · Linux

KLO Chords

StandaloneVST3AUMIDI

Explore new chords and scales in a musical, natural way. Every chord in your key is one click away on piano and guitar, with suggestions when you're stuck. Print practice sheets as PDFs to share ideas or practice later.

$19 Free

KLO Birds

StandaloneVST3AUMIDI

Like a commotion of birds. Looping Euclidean rhythms let you build musical, interesting polyrhythms fast, with full control over which MIDI channel each one plays.

$19 Free

KLO Songwriter

Coming SoonIncludes Chords + Birds

Fast, smart chord picking from KLO Chords meets the endless polyrhythms of KLO Birds. Send it all to your studio over MIDI or play it through the built-in synth. Stay creative, keep your momentum, then make time to practice.

$49
About

Hi, I'm Devin.

Musician first, software and firmware engineer for over a decade. KLO Labs is my shop in Dayton, Ohio. I build the tools I want for my own music, then I keep at them until they're fast, rock solid and keep you in the flow. No subscriptions, no bloat, no gimmicks.

Quality

Every screen, sound and shortcut is there on purpose. We sweat the details so you don't have to.

Intuitive

Helping you get the ideas in your head onto the page.

Timelessness

A tool you'll reach for every session, with a license that keeps working offline.