IT

iPad

BeatLane

A practice app driven by MIDI input from an electronic drum kit. Notes scroll sideways, and it judges your timing and which drum you hit.

• HTML/JS
• Swift
• MIDI

Windows

ScoreLight

A PDF viewer that runs as a single exe of about 100 KB. Its score mode is made for transcribing while reading band scores.

• C#
• Windows.Data.Pdf

Local web app

Unmixer

Splits a song into vocals, drums, bass and more so you can hear each part. It also estimates bass tabs and shows them in time with playback.

• FastAPI
• Demucs
• ffmpeg

Windows

Tone Notes

Recreates the panels of guitar amps, bass amps and keyboards on screen, then suggests and saves settings to match a song.

• C#

Creates MusicXML from PDF scores and scanned images, so notation software can open them.

• Python
• MusicXML

PWA

Kioku

A spaced-repetition vocabulary app for reading books in English. You learn each new word along with its original sentence and book title.

• PWA
• No build step

iOS

Multi-Track Recorder

Layers video and audio recordings on just an iPhone or iPad to make split-screen performance videos.

• SwiftUI