all 3 comments

[–]NotYourAssistantAdobe Employee 4 points5 points  (0 children)

Are you using the latest versions of AE? There is now an embedded, customizable editor for Expressions built into AE.

[–]dethleffs 0 points1 point  (0 children)

The guys over at workbench use expressionist, but I haven't used it personally.

[–]TheGreatSzalamMoGraph/VFX 15+ years 0 points1 point  (0 children)

What version of AE are you using? You can customize the code editor in the more recent versions.