Bookworm (by Blind Pandas Team) Alternatives

Foxit Reader is a free and light-weight multi-platform PDF document viewer.

Evince is a document viewer for multiple document formats: PDF, Postscript, djvu, tiff, dvi, XPS...

The complete stand-up and follow-up bot

Try for free freemium $29.0 / Monthly (Flat price)

Adobe Acrobat Reader is a free tool for viewing documents that have been stored in Adobe's Portable Document Format (PDF).

PDFgear is an all-in-one and powerful PDF toolkit that allows you to edit, convert, compress, merge&slipt, sign, OCR, and AI chat pdf. The interface is polished and easy to use, with the assistance of AI, you can summarize lengthy PDF with prompts.

Try easy-to-use PDF tools that keep your documents safe. Work with your important files across all platforms and devices with the ultimate all-in-one document solution. Your productivity lives at Xodo!

paid Free Trial $12.99 / Monthly (Xodo Pro subscription, 1 user, all platforms included)

Sumatra PDF is a slim PDF/DjVu/EPUB/XPS/CHM/CBR/CBZ/MOBI viewer for Windows.

Okular is a universal document viewer based developed by KDE.

The All-in-One Document Expert Designed for the Increasingly-mobile Workplace.

freemium $119.99 / One-off (The license is only for Mac. Education pricing is available.)

MuPDF is a lightweight PDF and XPS viewer.

Open Source

The smallest, fastest, most feature-rich PDF editor/viewer available

SlimPDF Reader lets you open and view PDFs, add comments and other annotations, fill out interactive forms, validate digital signatures, copy PDF text, snapshot any part of a PDF page, and more. Available on Windows, Mac, and Linux.

free

PDF Viewer (aka pdf.js) is a new revolutionary extension using web standard technologies that...

Open Source

Combine , merge and reorganize pages of multiple PDF pages and images into one PDF document without any file upload.