killihu has released inScale for Ableton Live, a M4L plugin that allows you to play MIDI notes always in the selected scale.
Main features:
- Create up to 20 presets with different scales/chords.
- Use the white keys on the keyboard to always play in the selected scale.
- Use the black keys on the keyboard to change presets.
- The first octave of the keyboard changes the root note of the scale.
- More than 400 scale presets sorted by categories.
- Possibility of remote control using Android and iOS devices.
Price: 19€.