❡ »Kernkraft« is a tool that might help you to be easily confronted with all the neccessary pairs your Font provides (no matter how extended the character set is
❡ »Kernschmelze« is a tool that will help you interpolate the kerning (given a glyphs file with at least 2 masters). It uses the weight value to calculate.
Find more infos about it and get it for free: ☛ here on GitHub. ☚