[tsunamifury]

Photoshop is a steaming pile though

[andybak]

There's plenty of valid criticisms you can make of Photoshop but it's still an astonishing bit of software in many regards.

So - no.

[pzone]

There is no other software that even approaches Photoshop's featureset and ecosystem.

[copperx]

TeX may beat it in terms of features, add-ons, and community.