Plugins that start with the letter R, are Commercial and are sorted by Number of Favorites (descending).
ExpressionEngine 2, ExpressionEngine 3, ExpressionEngine 4, ExpressionEngine 5
Reefine allows your users to easily filter, search and refine your entries, in the familiar way of many major ecommerce websites. Now EE5 compatible.
ExpressionEngine 1.x, ExpressionEngine 2
Random Number allows you to output random numbers.
Basically if you place this into a template then you will be re-directed to the URL specified in the location parameter.
Allows the user to simulate repeating events. When used in a template, Repeet tags display EE weblog entries as though they repeat at an interval set by the author.