Resources

Everything we build is open source: fork it, break it, send a pull request. Below that, the free platforms we actually recommend for learning.

Built by us

Every challenge we solve in competition, written up with the full path, including the dead ends.

The vulnerable-by-design lab environments for our workshops, as Docker images. Practise legally, locally.

This website. Plain HTML, CSS and a canvas animation, no framework. A decent first issue if you've never contributed to open source.