Camtasia Studio is the best.
TechSmith Camtasia Studio helps users capture screen with online videos, powerpoint, multichannel audio, and webcam videos to create tutorial videos and presentations. Videos are exported in different formats with high audio and image quality. Users can select to record the videos with optional size.
TechSmith Camtasia Studio also allows you to customize the parameters of output videos such as frame rate to store on websites, DVD, HD player, or share on YouTube. Besides, this application can also automatically zoom screen size by clicking. You can also change the displaying angles, insert Zoom layers, add images, or audio for videos.
TechSmith Camtasia Studio enables users to add notes to videos and display them in the preset time. Quick searching tools allow users to skip or move texts on videos recorded from PowerPoint. This application will make use of notes or title of each slide for automatic searching. Thefore, it is a must-have application for users, particularly those who often have to make presentation or communicate with clients
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