Show HN: Map for programmers: Explore tech neighbourhood -- feedback please

Nice! That looks like viz.js. I've been having a lot of fun with that library.

yes it is vis js (visjs.org), really nice library

It is not obvious to click on node, add hover highlighting

sure, will have to check vis js to highlight on mouse over

it is mainly based on stackoverflow tag data, please share any comments ideas for feature

click on nodes to expand and explore.