ApowerPDF is a professional PDF editor which helps people modify PDF content with ease. It has a clear and easy-to-go interface, which won't bring too much trouble to users to manage their PDF documents. Also, it can convert, rotate, split, extract, protect and unlock PDF files. Also, users can use it as a printer or PDF reader, as it has bookmark, and annotation features, etc. What's more, the program allows people to create PDF forms, sign PDF and many more, which can solve most PDF problems when people are processing PDF documents.
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Icecream Apps PDF Editor - Excellent powerful tool to edit PDF, annotate PDF, redact, protect and more.
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Classic PDF Editor - View, Create, Convert and Edit PDF Files
OpenKM - OpenKM is an easy to use powerful version control system that enables businesses efficiently and systematically capture, store, secure, manage, maintain and distribute corporate information assets with the goal of facilitating knowledge creation, op…
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