The best replacement for scales is modes.

The best alternatives to scales are rated as following:
★★★★★  modes
★★★  digital scales
★★★  indexes
★★★  analog scales
★★  regular scales
★★  balances
★★  chords
★  dial scales
★  scale
★  fins
★  arpeggios
★  mn
★  semantic differential scales
★  mechanical scales
★  manual scales
  ranking scales
  smooth scales
  scutes
  minor scales
  indices
  skin fish
  above ground scales
  keys

Your alternative for scales is not listed? Suggest!
Speaking about scales, one probably shouldn't forget about key signatures.

Other search terms related to scales and their ratings are:
★★★★★ key signatures
★★ fins
You have in mind a companion for scales and it is not yet here? Propose!



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scales
modes
digital scales