Link building is one of the most important components of search engine optimization process and back links / one-way links / in-bound links can make or break your rankings in most popular search engines i.e. Google, Yahoo and Bing. Back Link checker tool is easy to use no non-sense software developed to help webmasters, SEOs, entrepreneurs and agencies to manage their back links aka one-way links or inbound links and reciprocal links of their Web sites. It helps you to manage your entire link building campaigns in one interface. The limitations of the trial versions are that it can handle maximum 5 projects (Web sites), maximum 50 links can be added within each project (Web site) and CSV Bulk import Facility is not available.