Cost / License
- Paid
- Proprietary
Application types
Platforms
- Mac
- Windows
- Linux
- Chrome OS








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.




Centralizes and resurfaces ebook, article, and paper book highlights from multiple sources with spaced repetition, tagging, daily review, search, and flashcards.



Easily take notes on mobile devices, annotate PDFs, and organize in folders. Handwritten notes are searchable and sync across devices with iCloud.



Read-it-later tool for web articles, newsletters, RSS, PDFs, EPUBs and Twitter threads, with offline reading, AI note-taking, sync, and highlights.



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.




Heptabase is a visual note-taking tool that helps you make sense of your learning, research, and projects. It helps you get into the flow of thinking and brings together everything you need to do better research.




Replace a multitude of services and apps with a single ecosystem for your business to work in. Explore the tools of Bitrix24.




All-in-one tool for editing, OCR, annotating, signing, converting, and redacting PDFs, featuring AI-powered document analysis and cross-device workflow support.




Provides comprehensive PDF editing with eSign, OCR, and cloud integration, accessible on desktop and mobile, trusted by millions globally.




Edit photos with filters, magic effects, drawing tools, stickers, and text overlays. Share creations in a global community or on social networks. Crop, rotate, adjust colors, and make collages.



Streamlines ideas, notes, and content with a unified platform, including a text editor, document organization, and knowledge management tools.




LINER AI Copilot, powered by ChatGPT/GPT-4 and Google Search, provides high-quality information to make your web browsing experience as enriching as possible. It's designed to help you get more done with less time and energy, offering features such as translation, sentence...

Notedrafts is a powerful note-taking app that lets you write, draw, and organize your thoughts across different types of documents. Whether you're marking up a PDF, writing on a large canvas, or taking notes in a long vertical layout, Notedrafts adapts to your workflow.



The Research app is designed to streamline your workflow, offering a minimalist yet powerful platform for collecting, organizing, and analyzing research materials.


Take beautiful handwritten notes or annotate PDFs on your iPad, and now even on your iPhone. With the new Noteshelf you can do all of the familiar, like type notes, record audio, draw shapes, sketch, sign contracts, fill forms, along with a lot of new, like add bookmarks, create...



Integrating powerful tools for book annoation, mindmapping, flashcards and more, to build up your reading notes as never before.




A reference management software, used for searching online publication databases, & managing publications / bibliographies, with the ability to insert the references into a word processor.

The top AEC PDF app to markup and manage drawings and documents. Ideal for replacing pen and paper, avoid printing documents again by using our intuitive feature set that makes marking up a PDF easy. Open or create a new PDF, markup using our extensive array of tools, then save...




PDF viewer and annotation tool for macOS supports scientific paper reading, note-taking, highlighting, bookmarks, multiple annotation types, and AppleScript.

OfficeSuite is a cross-platform office suite for Windows PC, Android, and iOS. It has powerful modules for DOCUMENTS, SPREADSHEETS, PRESENTATIONS, and PDF files.
OfficeSuite is compatible with Microsoft Word, Excel, PowerPoint and Adobe PDF files.




A simple personal knowledge platform with a focus on clean Markdown files, simple queries and a journal.




Tritium is a desktop word processor built for transactional lawyers. Draft, review, and compare legal documents faster with real-time clause annotations, minimal redlines, and AI integrations - free for personal use.



Atril is a simple multi-page document viewer. It can display and print PostScript (PS), Encapsulated PostScript (EPS), DJVU, DVI, XPS and Portable Document Format (PDF) files. When supported by the document, it also allows searching for text, copying text to the clipboard...
Lattics is an all-in one knowledge management tool. It offers most of the things in Obsidian, Scrivener and Zotero together.



