Camtasia Studio is a great pack of tools specially designed for those user who love editing their videos.
Camtasia Studio could be the definitive choice if you need a lot of tools for your video edition tasks.
To download it you click here
Now, and thanks to this marvelous pack, you will not need a lot of programs when performing a modification or an effect, because you will have all necessary stuff with you.
-Camtasia Audio Editor
In short, five amazing tools which will make easier your video edition tasks.
You have 30-day to use trial version.