NightPDF is described as 'Dark Mode PDF reader' and is a PDF Reader in the office & productivity category. There are more than 50 alternatives to NightPDF for a variety of platforms, including Windows, Mac, Android, iPhone and Linux apps. The best NightPDF alternative is SumatraPDF, which is both free and Open Source. Other great apps like NightPDF are Okular, Foxit PDF Reader, Xournal++ and Evince.
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.
PDF viewer for macOS supports scientific papers, annotations, highlights, bookmarks, split view, exporting notes, AppleScript, multiple annotation types, bibliography integration, full-screen, search, and compatibility with various macOS versions.
Simple Android PDF viewer based on pdf.js and content providers. The app doesn't require any permissions.
Create, Convert, Review and Edit PDF Documents on Windows, macOS, and Linux.
Document Viewer is a highly customizable document viewer for Android, fork of the last GPL version of EBookDroid .
Xournal is an application for notetaking, sketching, keeping a journal using a stylus. It is free software (GNU GPL) and runs on Linux (recent distributions), Windows and other GTK+/Gnome platforms.
Xodo is the ultimate cross-platform PDF viewer and annotator. Powerful, fast, and optimized for all phones and tablets, Xodo makes it easy to access, edit, share, sync, manage, sign, and more.
Read, annotate, and highlight PDFs, fill interactive forms with saved input, underline or strike through text, manage bookmarks, sync files from cloud services, and share documents. Compatible with Preview and Adobe Acrobat annotations, supporting extensive iOS features.
doPDF allows you to freely convert documents to PDF files. It installs as a printer driver, enabling you to print from any Windows application.
Comprehensive solution for editing, signing, form filling, OCR scanning, commenting, converting, and redacting PDFs, with AI-driven analysis and content extraction, data export to spreadsheets, text-to-speech, seamless use across desktop and mobile, and batch processing.
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.
SpeedyNote is a fast, open-source note-taking application designed for stylus users who need iPad-quality annotation on budget hardware. Built with native C++ and Qt, it delivers 360Hz stylus input on hardware as modest as an Intel Celeron N4000 at 1.
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