automatic backlinking

Can someone tell me if there are ANY good programs for automatic backlinking for Imac or automatic commenting, forum profile... ANYTHING at all... Not to excited to run a different OS just to run a program, but open to amazing suggestions. Anyone, please?

guys and girls , this is my first post about a really good backlink service i came over so i thought i share with you guys ,it is also an affiliate program within so you guys who have the knowledge about how to get people to click on banner could possible do some $$ heres. now i dont know how...