Add Snagit (#978)

* Add Snagit

* Description line break removed

README.md

@@ -568,6 +568,7 @@ Any comments, suggestions? [Let us know!](https://github.com/jaywcjlove/awesome-
 * [Teampaper Snap](http://teampaper.me/snap/) - Let your screenshots speak up. ![Freeware][Freeware Icon] [![App Store][app-store Icon]](https://itunes.apple.com/app/monosnap/id1199502670)
 * [Xnip](http://xnipapp.com/) - Handy Screenshot App. [![App Store][app-store Icon]](https://itunes.apple.com/app/xnip-handy-screenshot-app/id1221250572) ![Freeware][Freeware Icon]
 * [Dropbox](https://www.dropbox.com/) - Dropbox app offers easy screenshot capturing and sharing ![Freeware][Freeware Icon]
+* [Snagit](https://www.techsmith.com/screen-capture.html) - Screen Capture and Recording Software. Simple and Powerful.
 
 #### Other Tools