TechSmith Camtasia Studio 6 / Perpetual license

TechSmith Camtasia Studio 6 is a program for creating and editing video tutorials, presentations, and other educational materials. It allows users to record their computer screen, add various effects, comments, and transitions to the video, as well as create interactive elements.
Key features of the product:
Screen recording with the ability to select the recording area, add annotations, and comments.

Importing video files from various sources.

Video editing: trimming, splitting, merging, adding transitions and effects.

Creating interactive elements: buttons, links, surveys.

Exporting videos in different formats and resolutions.

Support for working with audio files.

Ability to publish videos on various platforms.
The program can be useful for educators who want to create high-quality video lessons for their students, as well as for professionals who need to visually demonstrate their skills and knowledge. TechSmith Camtasia Studio 6 offers a wide range of features for creating professional educational materials.