In March 2016, the developers of CamStudio reported via forum post that the ad wrapper in the CamStudio installer had been removed and that it no longer offers third-party software or installs malware; however, they did not provide evidence of independent verification in the post.[11] In a VirusTotal analysis of the installer acquired from the official download URL on 10 August 2016, AVware, Dr. Web and VIPRE antivirus tools said it was infected with "InstallCore" while the remaining 51 said it was clean.[12][13]
Jing allows the user to record video, capture images, edit them, and upload them to various websites.[6] Possible uses for Jing include sharing a screen snapshot, narrating vacation photos, capturing a computer bug in action, and in the case of a teacher, showing students how to do a task and commenting verbally on a students homework.[7] It only supports saving to SWF (flash files). Jing is freeware.[8]

In terms of usability, Camtasia should be among the top choices due to how beginner-friendly it is. But, also due to its simplicity, not too many professional creators will find Camtasia Studio appealing. If you’re only starting to learn the basics of video editing, this app is perfect for that. It’s got a nice interface, intuitive controls, and useful tutorials. Those are everything you need for an easy beginning. 
Camtasia ( /kæmˈteɪʒə/) (formerly Camtasia Studio) is a software suite, created and published by TechSmith, for creating video tutorials and presentations directly via screencast, or via a direct recording plug-in to Microsoft PowerPoint. The screen area to be recorded can be chosen freely, and audio or other multimedia recordings may be recorded at the same time or added separately from any other source and integrated in the Camtasia component of the product. Both versions of Camtasia started as enhanced screen capture programs and have evolved to integrate screen capture and post-processing tools targeted at the educational and information multimedia development marketplace.
Camtasia empowers you to make amazing videos--even if you've never made one before. Record a video of your screen or bring in your own video footage. Then, use Camtasia's drag-and-drop editor to easily create remarkable videos you can share with anyone. Keep your audience engaged by adding eye-catching animations, music, and captions in record time. With Camtasia, you'll be able to produce stunning videos without being a professional video editor.
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