Alternatives to UnityPDF for all platforms with any license

PDFsam

Free and open source desktop application to split, merge, extract pages, rotate and mix PDF files.

Freemium $ $ $ Open Source Mac Windows Linux
Edit PDF Split and merge PDF files Split PDF files Combine PDF ... Extract files Multiple languages PDF Editor PDF OCR Document Merging Merge Files Lightweight Low memory usage Combine PDF Edit PDF Convert PDF to Word document Portable Sign PDF files Add a feature

180 Like
PDFTK Builder

PDFTK Builder is a free graphical interface to for PDFtk, making it much easier to use.

Free Open Source Windows PortableApps.com
Encryption Lightweight Combine PDF Pdf-creation ... PDF Editor Portable Reorder pages Split and merge PDF files Add a feature

56 Like
PDFtk

PDFtk is a simple tool for doing everyday things with PDF documents. It comes in three flavors: PDFtk Free, PDFtk Pro, and our original command-line tool PDFtk Server. ...

Freemium $ $ $ Mac Windows Linux Self-Hosted
Document Merging Combine PDF PDF Editor Split PDF files Add a feature

16 Like
PDF Shaper

PDF Shaper is a feature-rich PDF software that makes it simple to split, merge, update and improve PDF documents.

Freemium $ $ $ Windows
Extract images Insert images Edit metadata Saving document lists ... Pdf encryption Convert images to PDF Combine PDF Pdf-creation Convert PDF to image Split PDF files Add a feature

9 Like
PDFill

With PDFill you can create, fill, delete and submit PDF form fields; insert new formatted text, check, image, hyperlink, whiteout, highlight, drawing, comment and...

Commercial Windows
Fill PDF Forms Support for Batch Mode Convert images to PDF Combine PDF ... PDF annotation Pdf-creation PDF Editor Convert PDF to image Scan to PDF Sign PDF files Split PDF files Swiss-army knife Swiss-army knife tool Add a feature

38 Like
PDF Candy

PDF Candy is an online service providing tools for handling PDF files. A freemium Windows application is also offered.

Freemium $ $ $ Windows Web
Highlighter PDF Editor Fill PDF Forms Text Highlighting ... Combine PDF Convert PDF to Word document Reduce size Split PDF files Convert Word documents to PDF Add a feature

6 Like
PDF Chain

PDF Chain is a graphical user interface for PDFtk. The GUI supports all common features of the command line tool in a comfortable...

Free Open Source Linux
Combine PDF Pdf-creation PDF Editor Add a feature

14 Like
PDF Rider

PDF Rider is a GUI for "pdftk" and allows you to make some simple manipulations to PDF documents. It is written in c#/.net 3.5 (WPF), with the aim to be simple...

Free Open Source Windows
Pdf encryption Edit PDF PDF Editor Add a feature

6 Like
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PdfMod

PDF Mod is a simple application for modifying PDF documents. You can reorder, rotate, and remove pages, export images from a document, edit the title, subject...
- Discontinued
  The program seems no longer updated. Last release, 0.9.1, was released on March 3, 2011 and only translations have been done on the project since then. It can be still downloaded from the official website.
Free Open Source Linux BSD
Gtk Combine PDF Edit PDF PDF Editor Add a feature

27 Like
PDFMerge

PDF Split and Merge tool is implemented using the PdfSharp library and is either GUI or command driven.It is useful for automated document creation.It allows bookmarks...

Free Open Source Windows
Combine PDF PDF Editor Split PDF files Add a feature

3 Like