the free version of the pdf-xchange editor is a light weight, easy to use application with many free features including: direct text editing of text-based pdf documents, ocr a pdf, annotations and markup tools, the ability to save and send fillable pdf form data, and free plugins allow easy access to third party storage sites and servers such as google drive & sharepoint . as well you can try out licensed features including add/reorder/remove pages, digital signing and much much more.