Show HN: Visualize Wikipedia link graph, opensourced
galaxy.wikiloop.org
An interactive network visualization tool that maps Wikipedia articles and their interconnections using the Wikipedia API. Built with D3.js for dynamic graph rendering and real-time exploration.
''' Web App''': https://galaxy.wikiloop.org<br> ''' Source Code''': https://github.com/wikiloop/galaxy<br> ''' Wikipedia Page''': [[WP:WikiLoop Galaxy]]
== Demo ==
[[File:WikiLoop Galaxy Demo-v0.0.2.gif|thumb]]
[Full WikiLoop Galaxy Demo on Loom](https://www.loom.com/embed/5ccb54c0ce934939aee0458d23fa0cb2?...)
== Release notes == See [[Wikipedia:WikiLoop_Galaxy/Release/v0.0.2]]
== Features ==
=== Core Functionality === * '''Bidirectional Link Traversal''': Explores both outbound links (FROM articles) and inbound links (TO articles) * '''Real-time Graph Building''': Starts with a root article and progressively builds the network * '''Interactive Expansion''': Click any node to expand it with 10 more connected articles * '''Link Validation''': Checks page existence to handle broken Wikipedia links
=== Visual Design === * '''Obsidian-style Dark Theme''': Clean, modern interface optimized for graph exploration * '''Color-coded Nodes''': * '''Green''': Root article (starting point) * '''Blue/Teal''': Valid Wikipedia articles (1st/2nd degree) * '''Red''': Missing/non-existent pages (red links) * '''Yellow Border''': Expandable nodes with pulsing animation * '''Force-directed Layout''': Natural node positioning with physics simulation * '''Zoom & Pan''': Navigate large graphs with mouse controls
=== Interaction === * '''Click''': Expand node to reveal 10 more inbound + 10 outbound links * '''Ctrl/Cmd + Click''': Open Wikipedia article in new tab * '''Drag''': Move nodes around the canvas * '''Scroll''': Zoom in/out of the graph
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