Synapse PDF

About

Synapse PDF offers a comprehensive study and knowledge workspace designed for macOS. This single native application consolidates advanced PDF annotation, study session monitoring, and over nineteen integrated tools like merging, splitting, and OCR. It eliminates the need for multiple paid apps. Notable capabilities are "Link It" for creating knowledge maps between documents and "Sum It" for the immediate export of all your highlights. It replaces costly subscriptions and is accessible through a 7-day free trial and a Lifetime license.