An open-source e-assessment system designed for mathematical subjects.
Developed at Newcastle University for ~10 years.
Free and open source.
Used around the world.
At Newcastle, we use Numbas for:
(as of November 2020, as far as we can tell)
I know of users in South Africa, Algeria, Kenya, Mauritius.
Project with University of Pretoria.
See Ione Loots' EAMS 2016 talk:
For formative use: point students at Numbas exams. It all runs in their browser.
For summative use: LTI tool, locked browser (e.g. safeexambrowser.org)
How Numbas can help during the COVID-19 crisis:
E-Assessment in Mathematical Sciences 2020: