padthv1 ~ Polyphonic Additive Synthesizer


padthv1 is an old-school polyphonic additive synthesizer with stereo fx; it is based on the PADsynth algorithm by Paul Nasca, as a special variant of additive synthesis.

Features:

padthv1

padthv1.sourceforge.io

drumkv1 ~ Drum-Kit Sampler Synthesizer


drumkv1 is an old-school all-digital drum-kit sampler synthesizer with stereo fx.

Features:

  • a pure stand-alone JACK client with JACK-session, NSM (Non Session management) and both JACK MIDI and ALSA MIDI input support;
  • a LV2 instrument plug-in. URI: drumkv1.sourceforge.net/lv2
drumkv1.png

drumkv1.sourceforge.io

synthv1 ~ Old-School Polyphonic Sampler


synthv1 is an old-school all-digital 4-oscillator subtractive polyphonic synthesizer with stereo fx.

Features:

synthv1-screenshot6

synthv1.sourceforge.io

Rosegarden ~ Music Composition & Editing


Rosegarden is a music composition and editing environment based around a MIDI sequencer that features a rich understanding of music notation and includes basic support for digital audio. It’s an easy-to-learn, attractive Linux application that is ideal for composers, musicians, music students and small studios or home recording environments.

rosegarden

www.rosegardenmusic.com

MusE ~ Open source MIDI / Audio Sequencer


MusE is a MIDI/Audio sequencer with recording and editing capabilities written originally by Werner Schweer, and now developed and maintained by the MusE development team. MusE aims to be a complete multi-track virtual studio for Linux. It is published under the GNU General Public License.

muse2.1_song-s

www.muse-sequencer.org

VMPK ~ Virtual MIDI Piano Keyboard


VMPK is a virtual MIDI piano keyboard for Linux, Windows and OSX. Based on Qt and Drumstick the program is a MIDI event generator using the computer’s alphanumeric keyboard and the mouse. It may also be used to display received MIDI notes.

vmpk_605x334

vmpk.sourceforge.net

MIDI File Mapper ~ Remap MIDI Notes


MIDI File Mapper is a utility that allows you to remap the notes in MIDI files. This is particularly useful when converting GM drum patterns for a specific drum sampler or converting between loops for two different samplers.

MIDI File Mapper ships with some built-in mappings for popular drum samplers and allows you to create your own, as well as import maps from Cakewalk SONAR or Steinberg Cubase.

MIDI File Mapper

midifilemapper.codeplex.com
github.com/markheath/midifilemapper

NAudio ~ .NET Audio & MIDI Library


NAudio is an open source .NET audio and MIDI library, containing dozens of useful audio related classes intended to speed development of audio related utilities in .NET. It has been in development since 2002 and has grown to include a wide variety of features. While some parts of the library are relatively new and incomplete, the more mature features have undergone extensive testing and can be quickly used to add audio capabilities to an existing .NET application. NAudio can be quickly added to your .NET application using NuGet.

naudio_player_demo
NAudio demo project showing an MP3 file playing

naudio.codeplex.com
github.com/naudio/NAudio

Qtractor ~ Audio / MIDI Multi-track Sequencer


Qtractor is an Audio/MIDI multi-track sequencer application written in C++ with the Qt framework. Target platform is Linux, where the Jack Audio Connection Kit (JACK) for audio, and the Advanced Linux Sound Architecture (ALSA) for MIDI, are the main infrastructures to evolve as a fairly-featured Linux desktop audio workstation GUI, specially dedicated to the personal home-studio.

qtractor-screenshot16

qtractor.sourceforge.io
en.wikipedia.org/wiki/Qtractor

ardour ~ Freeware Digital Audio Workstation


Grab yourself a nice audio interface. Plug in a microphone or a keyboard. Import audio or MIDI from your hard drive or the Freesound database. Cut, move, stretch, copy, paste, delete, align, trim, crossfade, rename, snapshot, zoom, transpose, quantize, swing, drag, drop. All with unlimited undo/redo. All in the same window.

Mix, mute, solo, fader, automate, EQ, dynamics, insert, send, pre-fader, post-fader, sync, monitor, isolate. Floating point fidelity, the most flexible mixer architecture in the industry, hundreds of plugins and external control surfaces.

Ardour - Retina - No Plugins

ardour.org
community.ardour.org/download
Plugins
en.wikipedia.org/wiki/Ardour_(software)