To be fair, that's not really the whole interface, just a section of a sheet showing diffs. Here's what the whole window looks like: http://devimages.apple.com/technologies/tools/images/new_sin...
122 karma · joined January 2, 2011
http://ryancatalani.com
ryan [at] ryancatalani [dot] com
For open source, there's an app I've tried a few times called Drawberry [3], which looks something like Pixelmator, but is for vector drawing.
[1] http://www.bohemiancoding.com/sketch/overview/ [2] http://www.bohemiancoding.com/sketchpad [3] http://raphaelbost.free.fr/DrawBerry.html
Basically, only "log in" makes sense as a verb (because could you say you "logined"?). Although as a noun, it's okay.