Soundmanufacture has announced the release of two Max for Live devices: Guitar Scale Monitor and Scale Observer.
Guitar Scale Monitor shows all Scales from Push 1 + 2 on a Guitar - or Bass fretboard and monitors the incoming MIDI Notes. Also it's possible to select an alternate tuning for the fretboard.
Scale Observer is a Max for Live Scale Analyzer which shows all possible Scales from push 1 + 2 related to incoming MIDI Notes. It gives you an overview over all scales from Push 1 + 2 and it's possible to select and playback the scales.
Price: $5 each.
System Requirements: Ableton Live 9.6 / Max 7.2.