Description: CmapTools is a free concept mapping software developed by the Institute for Human and Machine Cognition. It allows users to visually organize and represent knowledge in a node-link format to build concept maps.
Type: software
Description: PDFCreator is a free and open source program for Windows that allows you to print documents and other files to PDF format. It installs a virtual printer on your system that can generate PDF files from any application with printing capabilities.
Type: software
Pricing: Open Source