I\'m looking at visualization options for a graph database project that I have coming up. Part of the job is to provide an interactive visualization of the data for public webs
The Neo4j browser is an Angular.js application using d3.js as visualization. The code is all open source an on https://github.com/neo4j/neo4j/tree/2.2/community/browser/lib/visualization so you can check it out there.
In general http://maxdemarzi.com is a good source for visualization blog posts as is http://neo4j.org/develop/visualization