Annotary
Description: Annotary is an open-source annotation tool that allows users to add text annotations and comments to web pages, PDFs, images, and more. It has features like collaboration, private/public annotations, groups, hierarchical comments, rich text formatting, and works on any operating system.
Type: software
Pricing: Open Source
Notion
Description: Notion, the all-in-one workspace. Unify your notes, tasks, and collaboration in a single platform. With its flexible structure, rich media integration, and team collaboration features, Notion transforms the way you work and create.
Type: software
Pricing: free