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
Description: Pencil Project is a free and open source GUI prototyping and mockup tool. It allows users to create wireframes and prototypes for software interfaces and websites quickly and easily, without programming knowledge.
Type: software
Pricing: Open Source