The software Google's browser uses to show PDF files has been proprietary for years, but now it's an open-source project called PDFium that others can scrutinize or use themselves. Stephen Shankland ...

Free PDF viewer with unique UI in terms of flat design and original layout. Annotate PDF with a complete set of tools, manage PDF files, connect to cloud services and even protect PDF with signature.

PDF Reader Pro lets you insert, replace, or delete text and images just like you would in Word, and you can rearrange pages, merge files, crop, or rotate with ease. It also includes a batch processor ...

This is a free and popular PDF Reader software. Foxit PDF Reader also comes with a paid version but the free version also offers good features. It provides a free trial of the paid version for up to ...