Highly is a web-highlighting and sharing service for readers who want to save noteworthy passages from online articles. It focuses on lightweight browser-based annotation and sharing of excerpts rather than full document management.
💡 Pick it for open-source web and PDF annotation with stronger research and collaboration features.
Hypothesis is a tool for annotating web pages and PDFs. It allows collaborative discussion and annotation.
💡 Pick it for social highlights, AI summaries, and a broader personal knowledge system.
Glasp is a social knowledge-management service with tools for highlighting, annotating, and summarizing web content and YouTube videos. It serves readers, researchers,...
Freemium
💡 Pick it when you need structured bookmarks, tags, snapshots, and annotations in one archive.
Diigo is a powerful research tool and a knowledge-sharing community.
Free / Premium plans available
💡 Pick it for a polished, searchable bookmark library rather than primarily social web highlights.
Raindrop.io is a bookmark manager for storing and organizing your favorite web links. It allows you to save articles, videos, images, and...
Free with premium options
💡 Pick it for a richer read-later workflow spanning articles, newsletters, and podcasts.
Matter is a collaboration and project management tool that helps teams stay organized and productive.
Starting at $10 per user per month
💡 Pick it for a mature, distraction-free read-later service with dependable highlights and notes.
Instapaper is a bookmarking and read-later service that allows users to save articles and webpages to read offline or later on various...
Free with premium subscription options
Your feedback helps us improve the AI rankings.
✅ Thanks for your feedback!
Suggest a product and our AI will verify it's a real alternative to Highly before adding it to the list.
