IMS-BLTI

The IMS Basic Learning Tool Interoperability specification provides a means to create portable learning tools that operate in the major L/CMS systems currently available.

Important Links:

Additional Information:

BLTI and Sakai

Sakai has support for BLTI in 2.7.x, but 2.8.x has more features and support for grade book services.
Regarding 2.6.x, tt works fine in 2.6 - UM ran it in 2.6 for several years. Just check it out, fix the pom and compile - should simply work.

BLTI in Sakai Video
BLTI in Sakai Doc