Description: KeepNote is an open-source note taking and organization program. It provides a simple tree-based notebook metaphor for storing notes and information in a hierarchical structure much like folders on a file system.
Type: software
Pricing: Open Source
Description: LiquidText is a PDF reader and annotator designed for active reading, analysis and research. It allows users to easily highlight, excerpt, organize and share passages from PDF articles and documents.
Type: software