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Posted on One min read

Bouldr is an online guidebook for climbers all over the world.

The site is composed of a frontend application that contains the business logic and interfaces, and a backend system that provides the clustering functionality for the explorer.

The app has been in active development since 2006, with the first release in 2007.

Bouldr is on Twitter, and has a Facebook page with more than 20,000 fans.