Open Source PDF-XChange Editor Alternatives for Windows
There are many alternatives to PDF-XChange Editor for Windows if you are looking to replace it. The most popular Windows alternative is 
SumatraPDF, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to PDF-XChange Editor and loads of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to PDF-XChange Editor are 
PDFsam (Freemium, Open Source), 
Adobe Acrobat DC (Paid), 
PDF24 Creator (Free) and 
PDFCreator (Freemium).
- Sumatra PDF is a slim, free, open-source PDF/DjVu/EPUB/XPS/CHM/CBR/CBZ/MOBI/FB2 viewer for Windows.Why another PDF reader?
- Free and open source desktop application to split, merge, extract pages, rotate and mix PDF files.
- Scan Tailor is an interactive post-processing tool for scanned pages. It performs operations such as page splitting, deskewing, adding/removing borders, and others.
- Free (and open source) editor for manipulating PDF documents. GUI version + commandline interface.
- 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.
- PoDoFoBrowser is a graphical browser and editor for the object structure of PDF files.
- modern computer flatboat is a mobile pdf viewer written in Qt and using MuPDF's libfitz.Some of flatboat's features are (for other features see the help page):
- Dark Mode PDF reader.