Test Out our Free and Open Source Tools


ADL explores the art of the possible

to change the way we learn, then beckons innovative

learning developers to join us on our journey.

Screen shot image of ADL's Virtual World Sandbox

Virtual World Sandbox

Design your next simulation using ADL’s Virtual World Sandbox, an open-source/government-owned game development tool.

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Mobile Learning

See how ADL’s Mobile Learning team is personalizing the learning experience through the effective use of mobile, handheld devices.

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Experience API (xAPI)

An open source API and e-learning specification that lets you capture and store (big) data on human performance, along with associated instructional content or performance context information (i.e., experience).

Image of a Army soldiers taking an online class


A set of standards and specifications for content and LMS interoperability.