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Explore STACKs features by visiting our Demo site. If you have STACK installed and want to write your first question, see our question authoring quick start guide.



Read the information for students on our documentation, including accessibility and FAQ, or get used to STACK syntax with our syntax quiz.


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STACK can be used via a hosted partner, installed within Moodle or ILIAS, or integrated into other Learning Management Systems via LTI.


STACK is open-source and welcomes contributions: added features, integrations, translations, bug reports and more.