Read-it-later & Highlights

Readwise helps users get more out of what they read by surfacing their best highlights and notes, making it easier to remember and connect ideas.

Pocket allows users to save articles, videos, and anything else they find online in one place for later viewing, even offline.

Matter is a free and premium read-it-later app that combines a document reader with highlighting, notes, and a personalized feed of articles and newsletters.

Raindrop.io is an all-in-one bookmark manager that allows users to save articles, photos, videos, and more, organizing them with tags and collections.

Instapaper is a simple tool to save web pages for offline reading, providing a clean, distraction-free reading experience.

Diigo is a powerful research tool that allows users to bookmark, annotate, archive, and share web pages and PDFs.

Upnext helps users capture and organize articles, videos, and podcasts for later, offering tools for summarizing and reflecting on content.

Hypothesis is an open-source project that enables annotation on academic papers, articles, and any web content, facilitating collaborative discussion.

ReadKit is an all-in-one reading app for Mac and iOS that combines articles from various read-it-later services, RSS feeds, and bookmarks into one interface.

Upnext is a read-it-later app focused on social sharing and discovery, allowing users to save, highlight, and discuss articles with friends.

Omnivore is a free and open-source read-it-later app designed for active readers, offering highlighting, notes, and integration with knowledge management systems.

While primarily an e-reader company, Kobo offers reading apps that allow users to read eBooks, sync progress, and highlight content across devices.