Link Checker is available in two different editions to suit every size business including Free Edition and Professional Edition.
You can download the Trial Edition of Link checker and try it for Free before purchasing. So, you will get a good feel about how the software works and how you can benefit from it. The Trial Edition may be converted into a full (registered) edition by entering a valid registration key.
To see which edition of Email Marketer is best suited to your needs please visit http://www.nesox.com which goes through the differences in depth.