AnnotateIt
Description: AnnotateIt is a free online annotation tool that allows users to annotate images, PDFs, and webpages. It has built-in collaboration features for teamwork and integrates with Google Drive and Dropbox for easy sharing.
Type: software
Pricing: Free
Notability
Description: Notability is a popular note-taking and annotation app for iOS and macOS. It allows users to take handwritten notes, type notes, record audio, annotate PDFs and more. Key features include advanced organization with search and tagging, auto-backup to the cloud, and easy sharing options.
Type: software
Pricing: Paid