Type@Cooper is offering a series of public font tech workshops this June.
Registration is open now.

http://coopertype.org/public-workshops/

June 1 & 2 Robofont with Frederik Berlaen and Andy Clymer
June 3 Interpolation with Andy Clymer
June 4 Kerning with Ben Kiel
June 5 & 6 Accents with Ben Kiel
June 8 & 9 Intermediate Python with Andy Clymer
June 17th Building Open Type Features with Andy Clymer

If you're a Robofont user, you might find these Opentype FontInfo tables helpful. Thanks to @letterror for bringing it to our attention.

http://doc.robofont.com/documentation/workspace/font-info/opentype/

Robofont: http://www.robofont.com
Twitter: @roboFontEditor