Ninja forms might be a bit more popular than Sumatra PDF. We know about 1 link to it since March 2021 and only 1 link to Sumatra PDF. 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
They also need to give you the download ZIP from their account in https://ninjaforms.com/. Source: over 1 year ago
Foxit Reader - Foxit Reader is a free and light-weight multi-platform PDF document viewer.
Typeform - Create beautiful, next-generation online forms with Typeform, the form & survey builder that makes asking questions easy & human on any device. Try it FREE!
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.
Jotform - Free Online Form Builder & Form Creator
Okular - Okular is a universal document viewer based developed by KDE.
Paperform - A digital Swiss Army Knife for Small Businesses