At Fre(i)e Software GmbH we offer a wide spectrum of Open Source IT serivces. Check-out our expertise and list of products below for which we can offer stock solutions.

Anything FLOSS that is not listed below was either forgotten to be mentioned or can be pulled in as external expertise from out partner companies or from members of the Open Source community.

Don’t hesitate to reach out to us and let us know your custom demands.


IT Consulting

Linux-based IT concepts, planning of Open Source migrations, planning and operation of heterogeneous networks, centralized management of servers and end-user devices


Packaging of Free Software for Debian, consulting on enterprise use of Debian, community management for corporations using Debian

Linux and Schools

Debian Edu / Skolelinux, IT concept „IT-Zukunft Schule“, BigBlueButton, e-Learning, school firewalls, media education, E-Mail-Server, [matrix] chat, AlekSIS


Linux kernel based virtualization (KVM), management using libvirt or Ganeti, LVM, DRBD, or CephFS

Systems Administration

Samba, Apache2, Nginx, LDAP, Kerberos, DNS, DHCP, Synapse, Postfix, Cyrus IMAP, Dovecot, Rspamd, dirvish, etc.

Web- and Remote Applications

X2Go, X2Go Brokerage, Seafile, NextCloud, Horde, Roundcube, ILIAS, BigBlueButton, Jitsi, GitLab, goHugo Sites,, Kimai, etc.

Data Protection

consulting on data protection for corporations, schools, and groups, fediverse social media, social media detox, digital sustainability as a contribution to climate protection

Network Planning

assessment of the status quo, consulting on networking equipment, documentation of networks, centralized management of infrastructure


Website development, GUI development (Linux desktop), Python, Perl, C, C++ (Qt), Vala, PHP, Javascript, Bash scripting, etc.