Kinetic Notes – a modernized version of Notational Velocity, a modeless, mouseless Mac note-taking app

An experimental synth allowing sounds with pseudoharmonic spectra

foobar2000 FPL binary playlist parser and converter

Tools for converting Garageband files to MIDI files

A simple MIDI file player for MacOS.

Operations research tools for Ruby

A General Purpose Tree Data Structure for Ruby

Ruby Binary Search with Red Black Trees

Metaheuristic Algorithms for Bin Packing Problem (1D and 2D)

Fast Markdown note-taking app for Mac and iPhone

A simple logging library for C/C++

Ruby Linear Programming

Rhythm step sequencer

A C library for reading and writing sound files containing sampled audio data.

A minimal C library for reading and writing (16b-int & 32b-float) WAV audio files.

Music player with a waveform progress bar

A free MIDI sequencer/editor for macOS, featuring piano-roll editing, numeric editing, audio in/out, and Ruby scripting

A lightweight cross-platform getopt alternative that is tested on Linux, Windows, FreeBSD and macOS. Command line argument parser library for C/C++. Can be used to parse argv and argc parameters.

An argument-parsing library for C.

TagLib Audio Meta-Data Library

id3v2lib is a library written in C to read and edit id3 tags from mp3 files.

Virtual computer

Open source Markdown editor for macOS.

A simple and easy-to-use immediate-mode gui library

Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies

Seq66: Seq24-based live MIDI looper/editor. v. 0.99.27 2026-08-10. NSM support; MIDI Learn; Linux/Windows/FreeBSD; PDF manual & tutorial with Help access.

A major reboot of Seq24. Current release 0.97.0 (2021-05-13), native JACK MIDI, Song recording, playlists, and a Windows/Qt version. For fresher code, see the Seq66 project. Note that trigger and m…

Monique monosynth

Node based GUI for The Composers Desktop Project