Audacity

Audacity free audio-editor by Audacity Team

Audacity is a free audio editor plugin developed by Audacity Team. Compatible OS(s): Windows, macOS, Linux.

Audacity is a free multi-track wave (audio) editor.

Features:

  • Full record and edit functionality.
  • Import and export WAV, AIFF, Ogg Vorbis, MP3 and more.
  • Unlimited Undo.
  • Amplitude envelope editor.
  • Customizable spectrogram mode.
  • Frequency analysis window.
  • Many built-in effects.
  • Macros and Scripting options.
  • Supports VST, AU and LV2 plug-ins.

https://audacityteam.org

Arpado

Arpado free studio-tool by Arpado Software

Arpado is a free studio tools plugin developed by Arpado Software. Compatible OS(s): Windows, macOS, Linux.

Arpado is designed to add pure music theory to performances and help a user create melodies and rhythms with just a few steps, while setting them free to focus on other areas of their production process.

It can orchestrate many instruments at once from a single interface. It features a Gate Step, with an array of Chords and Scales that can be used with its original Progressive Sequencer.

It also adds advanced sequencing capabilities to any software or hardware synthesizers; it can work as a central MIDI controller device or be used as a MIDI Looper with a generative approach.

Features:

  • Control many instruments and accompaniments from a single keyboard.
  • Device Chain.
  • Apply Conditional Barriers to Input and Output notes.
  • Forward input to other instruments.
  • Humanize the Velocity levels.
  • Latch Mode.
  • Randomize your arpeggios.
  • Use a different time signature on each accompaniment.
  • Transpose octaves in simple or scattered modes.
  • Plenty of chords and scales to choose from.
  • Full harmony for all your gear.
  • Record your live performance, export it to MIDI and play with your favorite DAW or Sequencer.
  • Progressive Rhythms, Melodies and Arpeggios.
  • Build Melodies and Loops that change over the cycles.
  • Add Progressions (I, II, III, IV, etc) and feel the harmonies scale.
  • An infinite set of combinations at your disposal.
  • And way more…

https://arpado.site

Ardour

Ardour free sequencer by Ardour

Ardour is a free sequencer stand alone application developed by Ardour. Compatible OS(s): Windows 64b, macOS, Linux.

Ardour is a digital audio workstation. You can use it to record, edit and mix multi-track audio. Produce your own CDs. Mix video soundtracks. Experiment with new ideas about music and sound. Generate sound installations for 12 speaker gallery shows. Have Fun.

Ardour capabilities include:

  • Multi-channel recording.
  • Non-linear, non-destructive region based editing with unlimited undo/redo.
  • Full automation support.
  • A mixer whose capabilities rival high end hardware consoles.
  • Lots of plugins to warp, shift and shape your music.
  • Controllable from hardware control surfaces at the same time as it syncs to timecode.

https://ardour.org/

amsynth

amsynth free software-synthesizer by nickdowell

amsynth is a free software synthesizer developed by nickdowell. Available format(s): Audio Unit, LV2, DSSI for macOS, Linux.

amsynth is a software synth that provides a classic subtractive synthesizer topology, with:

  • Dual oscillators with classic waveforms – sine / saw / square / noise.
  • 12/24 dB/oct low/high/band-pass resonant filter.
  • Independent ADSR envelopes for filter & amplitude.
  • LFO which can modulate the oscillators, filter, and amplitude.
  • Switchable mono/legato/polyphonic behaviour.
  • Distortion.
  • Reverb.

http://www.nickdowell.com/amsynth/

Alchemy WaveGen

Alchemy WaveGen free audio-editor | studio-tool by Hans Bickel

Alchemy WaveGen is a free audio editor and studio tools plugin Alchemy developed by Hans Bickel. Compatible OS(s): Windows, macOS, Linux.

Alchemy WaveGen creates custom oscillator and LFO waveforms for the Camel Audio Alchemy plug-in.

It is a standalone Java application with a simple monophonic synthesizer built in, so you can hear what you are doing.

Alchemy WaveGen has a plug-in architecture; by now it comes with two plug-ins:

  • FM Generator is a simple FM synth with nine operators you can connect almost freely.
  • Audio File Reader allows users to extract waveforms from AIF or WAV files.

Additionally one can create new waveforms by mixing between 4 waveforms, one can filter waveforms with a highpass- and lowpass filter (or even a comb filter) and manipulate waveforms in some other ways.

http://www.hansbickel.com