Glasp is an AI-powered, social highlighting and knowledge management tool that supports annotations on web pages, PDFs, and videos, helping users build a personal knowledge system.
Core features include multi-format highlighting and annotations, personal knowledge base management, personalized AI clone conversations, social sharing collaboration, and cross-platform data syncing and export.
There is a free plan and a Pro plan (about $10 per month). The free plan supports unlimited public highlights; the Pro plan adds private highlights, unlimited PDF/audio summaries, YouTube video summaries, and automatic syncing to Notion and other features.
Chrome, Safari, Edge, and Firefox extensions are supported, along with iOS and Android mobile apps, enabling cross-device cloud sync.
Users can publicly share their highlights and notes, follow others, and view public annotations, exploring high-quality resources through a community-driven knowledge-sharing network.
Based on your annotation history, a personalized AI model is trained to support smart Q&A, content recommendations, automatic summaries, and writing assistance, boosting learning and research efficiency.
It supports importing Kindle notes, and can export highlighted content as Markdown to Notion, Obsidian, and other tools, enabling cross-platform knowledge integration.
Notion AI is an integrated AI-powered all-in-one intelligent workspace that enhances individual and team productivity by automating tasks, generating smart content, and streamlining collaboration.

NoteGPT is an AI-powered learning and productivity assistant that integrates multiple AI tools to help users process information from videos, audio, and documents across formats such as YouTube videos, audio files, PDFs, and presentations. With smart summarization, content generation, and knowledge management features, NoteGPT helps you work faster in learning, research, and content creation.