Intuition Pumps and Other Tools for Thinking

Tools for thought has become a phrase people in my community are rallying around. Primarily in reference to new apps, note-taking tools, and bits of software.
I'm interested in tools for thought as processes and cultural practices, which is exactly what Dennett means by the phrase.
This collection of 77 techniques walks you through mental models and philosophical thought experiments that help you reconsider your ideas and beliefs.