I'm Aldo Cortesi, a coder and security consultant living in Dunedin, New Zealand. I hack on things that interest me, and run Nullcube, a small security consultancy that provides services worldwide.


mitmproxy: An SSL-capable man-in-the-middle proxy for pen testers and web developers.
devd: A small, self-contained, command-line-only HTTP server for developers.
modd: A flexible developer tool that responds to filesystem changes.
binvis.io: A tool for visualising and exploring binary files.
pathod: Pathological tools for torturing HTTP clients and servers.
netograph.com: Real-time privacy snapshots of the social web.
sortvis.org: Static visualisations of sorting algorithms.
qtile: A hackable, well-tested window manager written in Python. Now handed over to an excellent new dev team.
... more at github