I’m Nico. I like working on free and open source projects. Feel free to contact me by email, preferably encrypted with PGP.

Here is an excerpt including some of my projects.


In contrast to other chat applications, Briar doesn’t rely on servers to keep messages flowing between contacts as it’s a fully end-to-end encrypted and peer-to-peer messenger. At Briar I’m working on several different things, like for example a desktop version of Briar.

screenshot of Briar Desktop showing example group chat content

Public Transport Nicaragua

With help of several tools we were able to build the first trip planning application in Nicaragua.

various screenshots of Public Transport Nicaragua


Funded by Open Technology Fund the F-Droid project had the possibility to hire some developers to work on different tools. Together with other developers and designers all around the world I had the opportunity to help on creating Repomaker, a web application to easify the creation of own F-Droid app stores.

screenshot of package overview in Repomaker


LegionBoard was a free and open source changes management system for schools.

screenshot of mobile device running LegionBoard Eye