STACK 3.0
STACK is an open-source system for computer-aided assessment in Mathematics and related disciplines, with emphasis on formative assessment.
STACK was created by Chris Sangwin of the University of Birmingham, and includes the work of other contributors.
Current state of development
Stack 3.0 is currently being beta tested. We would appreciate any help you can give in testing that it works and reporting bugs at https://github.com/maths/moodle-qtype_stack/issues.
The current state of development is explain more fully in the developer documentation.
Documentation
The documentation is here, including the installation instructions.
License
Stack is Licensed under the GNU General Public, License Version 3.