This Rich Tags Plug-in intends to add Technorati tags to your b2evolution posts.
Category: "Featured (to be deleted)"
This Search & Replace Plug-in intends to search for a given strings into a displayed post's content and replace them with other strings. It's a common Search & Replace mechanism applied to all the displayed b2evolution (0.9.0.x, 0.9.1) posts.
Bad Behavior is a set of PHP scripts which prevents spambots from accessing your site by analyzing their actual HTTP requests and comparing them to profiles from known spambots. It goes far beyond User-Agent and Referer, however. Bad Behavior is available for several PHP-based software packages, and also can be integrated in seconds into any PHP script.