I have always used PDF escape (online) to edit pdf files. But I am afraid that I would not be able to edit if the internet connection goes out. Thus, I am trying to find out the suggestions from the experts here about the offline applications like it, if they're any available. I have heard about the Adobe Acrobat as offline software, but I have found the PDF escape (online) more user friendly. Hence, I want that type of offline software, which I can use by installing the software to my PC and use it, without any internet connection.