This photo organiser and editor makes slideshows, stitches together panoramas, fuses similar photos, so you can get rid of the bad parts (like someone blinking), and has a number of editing tools for fixing pictures. Ready to start making 3D models? Sculptris gives you a digital blob of clay and all the tools necessary to turn it into a piece of art. It's fast, easy to use, and comprehensive – if you don't need full Photoshop capabilities. This Windows-only freebie is worth installing for any minor (and some major) picture manipulation.
It's a perfect tool for engineers, architects, and draftsmen to make blueprints. When it's time to make some 2D computer-aided design (CAD) mechanical drawings, the best free option is LibreCAD.
