Pixel Ace is pixel ruler for your computer. This tool can be used to measure items (in pixels) on your computer. Measure items horizontally and vertically. Expand the ruler into a box view and measure the height and width of items behind it.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.
