1)   LinkFreeze 2.1
LinkFreeze is a powerful tool to optimize dynamic or database-driven websites for search engines. Conveniently, you don't need to rewrite the code of your pages, as all your links are modified on-the-fly whenever a page is requested on the server.

 2)   IE Open Selected URL 1.0.1.0
Open non-functioning links in the current tab, a new tab, or even a new window in Internet Explorer.

 3)   InLineLinker 1.01
Automatically Add Cross Links to your Documents.