1)   Open Selected URL for Internet Explorer 1.0.1.0
Sometimes you'll find urls on websites that aren't clickable. Use Open Selected URL to select the url, right-click to open the context-menu, and click to open the non-functioning link in the current tab, a new tab, or even a new window.

 2)   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.

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