Several points in the Protege wiki still point to [this outdated repository](https://code.google.com/archive/p/co-ode-owl-plugins/downloads); e.g. [the pizza tutorial](https://protegewiki.stanford.edu/wiki/Protege4Pizzas10Minutes) recommends the old annotation template and matrix plugins.
Several points in the Protege wiki still point to this outdated repository; e.g. the pizza tutorial recommends the old annotation template and matrix plugins.