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The Sakai Project is a collaboration between academic and commercial organizations that has resulted in an open-source enterprise-level Learning Management System. It is currently used in over 250 top schools around the world. Written in Java, Sakai has gained a reputation as a extendable platform that's easy to integrate with academic systems.

Concentric Sky has developed Sakai tools and done extensive customizations and refinements of Sakai for a number of large publishers and institutions.

If you have questions about how we use Sakai to build web applications, feel free to contact us.

Recommended Tutorials For Sakai Developers


Our Top Sakai Projects


Buzz About Sakai

  • Configuring Logging in Nakamura/Sling, at runtime
    One of the most frustrating things about trying to find out what is broken in a running application is that the information in the logs is not informative enough, and if it is, there is too much of...
  • App Engine Fix For - ImportError: cannot import name os_compat
    One of the more mysterious errors one gets with App Engine is when the application fails to start up with the following error: *** Running dev_appserver with the following flags: --...
  • Wandering Code Minstrel - Two Weeks in Europe - IMS Basic Learning Tools Interoperability
    I started a tradition last year to try to spend Spring break coding somewhere. This year thanks to gracious support from JISC to participate in the JISC Dev8D Developer Days in London, I had airfare...
  • Moodle for iPhone Demo
    Here’s an interesting (and unusually high production value) video of an iPhone mobile interface for Moodle: Click here to view the embedded video. Moodle also has a Java-based cross-platform...
  • Even more documenting!
    As promised here is the 100-pages document which has finally been finished (in fact, it's a bit longer than 100 pages).We even made a 20-page version of it in case you don’t want to go that much...
  • And so the design phase came to an end
    Lets again summarise what we’ve done during the last months…Creating extreme designs using personas and requirementsWe focused on the concepts and requirements which we thought would be most...