PDF Expert is described as 'Read and annotate PDFs, highlight text, make and save notes, fill interactive forms, and share files with support for cross-platform annotations and cloud integration' and is a PDF Reader in the office & productivity category. There are more than 100 alternatives to PDF Expert for a variety of platforms, including Windows, Web-based, Mac, iPad and iPhone apps. The best PDF Expert alternative is Okular, which is both free and Open Source. Other great apps like PDF Expert are Foxit PDF Reader, Xournal++, PDF Arranger and PDF-XChange Editor.
Multi-platform document viewer supporting PDF, ePub, comics, images, and Markdown with annotation, digital signature verification, tabbed interface, sidebar navigation, text selection, text-to-speech, magnifier, search, dark mode, and plugin support.
Foxit Reader offers a lightweight PDF viewing experience across multiple platforms with features such as annotation, form filling, signing, cloud storage integration, collaborative review options, heightened security via Trust Manager, and organizational tools like Group Policy and XML Configuration.
The installer tries to install McAfee WebAdvisor and PhantomPDF Business. These can be skipped by clicking Decline on each.
Doesn't allow highlighting and annotating, just allows signature, etc.
Handwritten note-taking and PDF annotation using pen input and pressure sensitivity, shape drawing, customizable toolbar layouts, image insertion, audio recording, multi-language options, LaTeX integration, and complete export in PDF or PNG formats across all platforms.
Small python-gtk application, which helps the user to merge or split pdf documents and rotate, crop and rearrange their pages using an interactive and intuitive graphical interface.
Feature-rich PDF editor offering direct content editing, ABBYY OCR, viewing, annotation, form filling, PDF merging, compression, and encryption. Operates efficiently offline, requiring no registration and no ads, while providing privacy-focused features and convenient portability.
best affordable PDF editor that includes OCR.
Supports viewing and editing PDF annotations, displays multiple formats such as PDF, Postscript, DjVu, comic books, TIFF, DVI, XPS, remembers per-document zoom and position, features search, table-of-contents navigation, SyncTeX integration, and printing.
You can't edit or create pdf documents.
Locally hosted web application offering an interactive GUI to merge, split, reorganize, convert, compress, watermark, secure, sign, flatten, repair, extract images, detect blanks, apply OCR, set permissions, and enable file processing or API integration for PDFs.
Manage documents effortlessly, edit PDFs, create them from other formats, and e-sign anywhere. Secure sharing and comparison tools ensure smooth workflows and data protection. New AI Assistant offers quick document insights. Perfect for desktop and web platforms.
Butterfly is a note-taking app where your ideas come first. You can paint, add texts, and export them easily on every device. This app works on android, windows, linux, and in the web.
PDF-XChange Viewer is an alternative viewer for PDF files that enables you to view and annotate PDF files. You can add text, sticky notes, and other annotations and save them to the file, which will be compatible with the standard Adobe Acrobat Reader.
Since November 2013 the Tracker Software company states that "PDF-XChange Viewer has been discontinued and replaced by 
PDF-XChange Editor " , but the software has been and is still being updated from time to time as of 2020
Best affordable PDF editor with OCR feature built in
Master PDF Editor is complete solution for editing PDF and XPS files. You can insert, edit, remove, copy, add images or graphics. Export, import, remove and change page layouts. Also Master PDF Editor provides full functionality for changing PDF information, including author...
High-performance viewer for documents and images offering split tabs, customizable single or book layouts, portals for side-by-side sections, instant search, line highlight, annotation tools, link hints, searchable highlights, session management, and TOML config.
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the free version does not allow editing like PDF Expert, whereas other products that allow editing are available for Windows only and do not support Mac.