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Libscore

Greg Brockman on December 16, 2014 in Engineering

When we announced the Open Source retreat, we'd pictured it primarily as giving people the opportunity to work on projects they'd already been meaning to do. However, the environment we provided also became a place for people to come up with new ideas and give them a try. One of these ideas, Libscore, is launching publicly today.

Top libraries used across the web.

Libscore, built by Julian Shapiro with support from both us and Digital Ocean, makes it possible for frontend developers to see where their work is being used. The service periodically crawls the top million websites, determines the JavaScript libraries in use on each, and makes that data publicly queriable.

For example, wondering about MVC framework popularity? Backbone is used on about 8,000 of the top million sites while Ember appears on only 185. You can also query which libraries are used on your favorite site, or view some precompiled aggregates.


We were attracted to Libscore because it sounded like internet infrastructure that should exist. Sometimes—as with our support for Alipay—we get to build such components directly; sometimes, it seems better to support something external—as with Stellar. If you have other ideas, please let us know (or work on them here!).