View, annotate, and collaborate on PDFs, utilize cloud storage and freehand tools. Upgrade for editing and converting to other formats.

Better reading and research with annotations, highlighter, sticky notes, archiving, bookmarking and more.

Qiqqa is a free research and reference manager. Search for, read and annotate your PDFs. Then review your work, write up and create bibliographies instantly.

DEVONthink is a solution to the digital age conundrum. It is your second brain, the one and only database for all your digital files, be they PDFs, emails, Word docs or even multimedia files.

Odrin is an online AI content detector. Simply paste your documents and Odrin will determine the probability that they were written by generative AI.

Open Scanner is a fast and simple-to-use paper-scanning app with AI features to speed up your scanning workflow:

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

Kontxt is an inline communication and engagement tool that adds live collaboration and interactivity to digital content. Enterprise productivity. Remote education. Site owner revenue. Personal social news aggregation, rating, sharing, and discussion.

Moxtra provides cloud-based project binders for managing, presenting and sharing your projects/events/parties/trip... from your iPhone/iPad.

Integrates document processing into apps with SDK, improves security in SharePoint, and automates workflows within Microsoft 365 ecosystem.

Datto Workplace provides enterprise-grade file sync and share to managed service providers without putting security and efficiency at risk.

Complete authoring software that offers recording PC’s screen, webcam & voice with an intuitive user interface to transform your PC into a studio using an elegant annotations-on-screen toolkit like writing & presentation tools besides a video editor.

APIs to view, convert, annotate, compare, sign, assemble, and search documents in your .NET or Java applications. Free 30-day trial.

Data labeling tool for various data types with a customizable interface, annotation team management, and automatic labeling through active learning.

An easy to use ebook reader application that ensures a pleasant reading experience. The reader interface has a fresh feel and smooth transitions that make you read book after book on it. Lektz Reader supports EPUB2, EPUB3 and PDF format ebooks.