Open Source Adobe Acrobat Pro?

[asterroc]

I'm looking for a free and/or open source program that will let me edit .pdf files and save them partially filled in and continue them later. Any suggestions?

Edit: I use a Mac.

Comments

[sirroxton.livejournal.com]

Yeah, I like Foxit. I use it at work because it's fast and eats less memory than Acrobat Reader.