Have a look at http://www.darktable.org - it's open source and IIRC free.
If you're a canon shooter then when it comes to working with CR2 files Canon's own DPP is actually pretty good.
If you're a Mac user then have a look at Pixelmator before you pony up for PS.
If you're a canon shooter then when it comes to working with CR2 files Canon's own DPP is actually pretty good.
If you're a Mac user then have a look at Pixelmator before you pony up for PS.