There are many software and application that you can use to take screenshot but according to my experience the best screenshot taker software is Lightshot. It is very light weight software to take screenshot. You can edit your screenshot by using brush tool and other tools. You can save your screenshot in your device. You can upload screenshot on remote server and the software will give you a link that you can send you friend or other person that you want to show your screenshot. Or you also can copy the screenshot on clipboard by pressing Ctrl+c and paste anywhere you want by pressing Ctrl+v. Even you can take a screenshot and select area and then press Ctrl+c and then press Ctrl+v in Facebook chat box your image will sent automatically. Lightshot is a free of coast software to screenshot capture. Download link of Lightshot is given below.

Download Link For Windows

Download Link For Mac

Some other screenshot tacker software are given below

TinyTake is also good software to take screenshot. Download TinyTake software to take screenshot.