Jing takes a picture or video of the users computer screen and uploads it to the Web or save locally to your computer.
An URL is automatically created and can be shared with others to view or access the uploaded file. You can use the image tools to add text, highlight existing text, or add an arrow or a rectangle to annotate your capture. With Jing you can take captures quicker than with similar applications.
too big, slow, and complicated by comparison to Jing. Camtasia is a full video editing package and is very slow at saving videos as it has slow post-processing; whereas Jing encodes as it goes and saves the video immediately.