I am normally a FOSS guy, but I have to give credits to Photoshop. I dabbled in retro hardware lately and I am using an iBook running on OS 9 with Photoshop 5.0

I am normally a FOSS guy, but I have to give credits to Photoshop. I dabbled in retro hardware lately and I am using an iBook running on OS 9 with Photoshop 5.0. It's unbelievably powerful and most everything you want a competent image editor is there. I can still edit my modern pictures with what is provided in the program and it's really quick too. Oh, and what's more... You can run an even earlier of Photopshop, I think as high as 4.0 or something on classic-classic Macs, which have freaking Motorola 68k processors. I think the only feature I miss is editoable text layers. It's pretty darn amazing - if you don't have one, try running the thing on the emulator - Basilisk II. No wonder the original authors boasted it as "High Performance Mac software." It's pretty freaking fantastic.