Numbas is an open-source system for creating SCORM-compliant exams which run entirely in the browser, developed by Newcastle University's School of Maths and Stats.

• Can be run on anything that has a web browser.
• Compatible with IE8+, Firefox 3+, Chrome, Safari, Opera, iPhone, etc.
• Implemented entirely in client-side javascript - requires no plugins, no installation on client's machine, no communication with servers.
• Interacts with LMSs such as Blackboard and Moodle through SCORM.
• Extensive support for questions of a mathematical nature. Answers to questions can be mathematical expressions.
• Mathematics display is pure LaTeX, using MathJax.
• Rich content such as videos, interactive graphs easily added.
• Questions can be fully randomised.
• Write questions using simple markup with any text editor.
• Easily extensible.