Windows only: Freeware application Screenshot Captor is an advanced, full-featured screenshot application boasting an impressive feature set that rivals the paid-for favourite, SnagIt. For example, Screenshot Captor has tonnes of options for capturing your full screen, specific regions or selected windows; it has excellent callout functions, like standard arrows and highlighting tools along with the excellent blur effect you see in the screenshot above; and it can automatically open screenshots in your favourite image editor or email screenshots as soon as you take them. In all, Screenshot Captor may be the most full-featured screenshot app I've seen, freeware or otherwise. On the other hand, it does have a slightly steeper learning curve, so if there's a downside, that may be it. Screenshot Captor is donationware, Windows only.

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