Moxie Marlinspike (owner of the world's greatest name) is the lead of the Signal project is often described as an anarchist (as in this wired article: https://www.wired.com/2016/07/meet-moxie-marlinspike-anarchi..., which is better than it's headline).

He is not, in truth, an anarchist. He is a crypto-zealot, most definitely eccentric, and opposed to a lot of government intrusion. In today's world, I guess that's an anarchist