Quadrigram is an environment for data gathering, query and visualization, based on a visual programming language and intended for users with no experience programming or creating visualizations. At present, it contains 50 different visualizers.

The Science of Science (Sci2) Tool is a modular toolset supporting temporal, geospatial, topical, and network analysis and visualization of datasets at the micro (individual), meso (local), and macro (global) levels. Users of the tool can:

Access science datasets online or load their own

Perform different types of analysis with the most effective algorithms available

Use different visualizations to interactively explore and understand specific datasets

Share datasets and algorithms across scientific boundaries

Microsoft OneNote is a digital notebook that allows you to gather notes and information in a central environment, and search across your shared notebooks to better manage information and work with others. OneNote used to be available as paid software, but is now free across platforms.

PersonalBrain is a mind mapping and brainstorming application that helps users visualize their ideas. PersonalBrain applies visualization to your content, in order to great a digital map visualization of networked information.

Instaviz is a pocket whiteboard for the iPhone, iPad or iPod Touch. You sketch rough shapes and lines, and Instaviz transforms them into laid-out diagrams.

Text 2 Mind Map is a web-based tool for mind mapping. Very basic interface and functionality. Requires users to structure information in a linear text outline, which it returns as a diagram.