This makes no sense. iPhoto stores your photos in a directory structure on your system. This directory is like any other. If you want to extract the photos from them you can. You can also just right-click on your photos from within iPhoto and extract them.
> After removing iPhoto, it was bearable.
What was bearable? Why didn't you try and fix the problem? I've been using iPhoto for almost 10 years, across ~6 different machines, and have never had any issues with it.