The software listed  here spams websites. When used right it can become an invaluable tool for increasing traffic drastically, but you have to use it wisely, unless you want to fuck things up and drop out of serps. Xrumer. An extremely powerful link building tool. It spams forums, guest books, comments on blogs, it’s extendable and it can be “trained” to do whatever you want. It bypasses captchas, registers accounts. Pure awesomeness. Although it has a steep learning curve. A parsing tool “Hrefer” is also included, for making your own databases of forums, guestbooks, blogs etc. Some Xrumer features: Multithreaded submitting: over 50 simultaneously running threads possible! (30 threads are recommended for optimal performance under 128 Kbps bandwidth) Software can perform registration at forums (if necessary for posting messages) and automatically fill in the required fields. Upon successful registration XRumer posts the user-specified message and/or links. The powerful built-in proxy-server checking script locates available proxy-servers worldwide, choosing anonymous addresses among them. Software is able to work with lots of different types of forums and guestbooks: phpBB and PHP-Nuke with any ...