About us.

Citizen OS is an open source civic tech non-profit, based in Tallinn, Estonia.

We’re on a mission to change the world for the better; visit our Projects page to find out how.

The Citizen OS platform went live in September, 2015. Since then, we have gained the trust of many public and private user groups around the world.

We take the security of our platform very seriously; read more about this here.

Citizen OS is supported by:

Project Citizen OS has been funded by the NGO Fund EEA Grants through the Open Estonia Foundation.