Measure Schmeasure is described as 'simple screen ruler for measuring the width or height between pixels in any application. Just load it up and measure away'. There are more than 10 alternatives to Measure Schmeasure for Windows, Mac, Linux, PortableApps.com and SaaS. The best alternative is PicPick. It's not free, so if you're looking for a free alternative, you could try Meazure or PMeter. Other great apps like Measure Schmeasure are Pixus (Free, Open Source), PixelStick (Paid), On-Screen Ruler (Free) and Screen Ruler (Paid).