ConceptMap An api designed to make the creation of web-based interactive concept maps simple and intuitive. Means of creation D3.js From scratch Ideas Nodes represent concepts Edges represent connections Force-directed Clicking can expand nodes/edges Things to look into http://bl.ocks.org/mbostock/4062045 http://www.coppelia.io/2014/07/an-a-to-z-of-extra-features-for-the-d3-force-layout/