Alternatives to Papers

KDAN PDF

KDAN PDF suits people who need PDF reading and annotation across mobile and desktop platforms.

Kiosk suits readers seeking a free PDF reader across desktop, mobile, web, and browser extensions, especially those who want offline access or on-device processing.

Evince suits Linux desktop users who need to view supported document formats, fill interactive forms, or annotate PDFs.

MuPDF

MuPDF suits developers building document features into desktop, cloud/server, or embedded projects.

Highlights

Highlights suits students and researchers who work with annotated PDFs and want to turn them into notes.

Launchpad

Launchpad suits open-source projects and community contributors who need code hosting, bug tracking, package building, localization, and project planning.

Mozilla PDF.js

It suits developers embedding PDF rendering in web applications, browser extensions, or self-hosted viewers.

Javelin suits readers who need offline PDF tools across desktop and mobile platforms, including for DRM-secured documents.

It suits readers who want PDF navigation plus document-grounded questions and citations.

StarForce Reader suits people who need to read ordinary or protected PDF and EPUB files, or protected SFPDF and PCDOC documents.

It suits Windows users who want a free reader with broad document-format support, annotation and form tools, accessibility features, or portable use.