Lexer gives you more control over your lectures.
Add tags to any timepoints in a Blackboard lecture to be able to navigate the subject of your course more easily. The tags are summarized in the left side of the screen to enable you to find the explanation on certain topics without having to dig through the entire lecture!
Also, the advanced version contains an overview of all your recorded lectures, such that you can order them by course and even search across all your created tags!