OCRFeeder is a document layout analysis and optical character recognition system.




Preview is described as 'Native macOS tool for viewing, annotating, and editing images and PDFs, offers cropping, resizing, markup tools, page rearrangement, and export to multiple formats' and is a very popular PDF Reader in the photos & graphics category. There are more than 100 alternatives to Preview for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best Preview alternative is SumatraPDF, which is both free and Open Source. Other great apps like Preview are Okular, IrfanView, XnView MP and ImageGlass.
OCRFeeder is a document layout analysis and optical character recognition system.




Xviewer is a simple image viewer which uses the gdk-pixbuf library. It can deal with large images, and zoom and scroll with constant memory usage. Its goals are simplicity and standards compliance. Xviewer is installed by default in Linux Mint.



A privacy-first, client-side PDF editor that runs in your browser. Edit, annotate, merge/split, compress to target sizes, OCR scanned PDFs, and convert files—no signup, no watermark.




Geeqie is a free open software image viewer and organiser program for Linux, FreeBSD and other Unix-like operating systems.



Get rid of paper clutter with Stack. Stack is a PDF scanner, document organizer, and detail finder. All in one.




A no-nonsense hardware-accelerated image viewer. Oculante's vision is to be a fast, unobtrusive, portable image viewer with wide image format support, offering image analysis and basic editing tools.


Supercharge your paper reading: follow references, skim outline, jump to figures, cite and save.





Discover Feather PDF, the ultimate PDF editor that prioritizes your privacy. Enjoy powerful editing features without data collection and gain lifetime access with a one-time payment.



AI powered productivity tool for reading, understanding and taking notes on PDFs and long websites. Users can search, summarise, extract and define keywords, ask google-search type questions and be taken straight to the answers.



