Coffey Labs LLC

Coffey Labs LLC is an Arizona company that builds, owns and maintains open-source infrastructure software: mail, VPN and logs, made to run on your own hardware. Everything is copyleft (GPLv3 or AGPLv3; forks keep their upstream's license), there is no paid tier, and the company sells nothing today. Funding pays for the servers behind the projects: the git host and CI, the websites and documentation, the community forum, a Mastodon instance and the demos, plus the development tools used to build them, about USD 5,500 a year. Nothing accepted may restrict the licenses. Details: https://coffeylabs.org/support/