Based on our record, PSPDFKit should be more popular than Sumatra PDF. It has been mentiond 3 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
You can use your browser for both, there are extensions(FireFox - PDF & EPUB/Chrome - PDF& EPUB) for that. In case, you want you use a separate software for them, I suggest SumatraPDF--it handles both PDFs and .EPUB files. Source: over 1 year ago
For a commercial solution check out https://pspdfkit.com/. Full disclosure, I am a Solutions Engineer for the company. I’m happy to answer any questions you have. Source: 12 months ago
Never touched it but there’s something called PSPDFKit. Source: over 1 year ago
The team at PSPDFKit, who make this app, is one of the most knowledgeable teams when it comes to PDF content that I've ever interacted with. Source: over 2 years ago
Foxit Reader - Foxit Reader is a free and light-weight multi-platform PDF document viewer.
PDFTron - PDF components and tools.
Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.
Firefox PDF Viewer (PDF.js) - PDF Viewer (aka pdf.js) is a new revolutionary extension using web standard technologies that...
Okular - Okular is a universal document viewer based developed by KDE.
ABBYY Vantage - ABBYY Vantage is an Intelligent Document Processing (IDP) platform that enables the digital workforce to automate the entire document processing cycle from data capture and analysis to document creation and sharing.