My Toolstack
The security of my clients' data is a top priority for me, so I want to be transparent about the tools I use. I purposely avoid US Big Tech, as those providers are typically subject to the US CLOUD Act and can be compelled to hand over client data on government request.
Operating systems
Open-source foundations.
Desktop
Debian GNU/LinuxStable, transparent, no telemetry, fully auditable.
Local, open-source
Mobile
GrapheneOSHardened Android without Google services — privacy by design.
Local, open-source
Daily workflow
The tools I work with every day.
Browser
WaterfoxIndependent, privacy-respecting, free of forced telemetry.
Local, open-source
Office suite
LibreOfficeOpen document standards, no cloud lock-in.
Local, open-source
Email & calendar
Proton Mail & CalendarEnd-to-end encrypted, Swiss jurisdiction.
SaaS, Hosted: CH
Storage & backup
Proton DriveEncrypted storage under European data protection.
SaaS, Hosted: CH
Generative AI
Lumo by ProtonEncrypted, privacy-preserving AI assistance.
SaaS, Hosted: CH
Project Management
aworkProject management and time tracking.
SaaS, Hosted: DE
Business operations
Running the practice itself.
Hosting
do.deGerman hosting provider, servers in Germany.
Hosted: DE
Bookkeeping
PapierkramGerman accounting software, GoBD-compliant.
SaaS, Hosted: DE