> Getting off US tech "tech" meaning software, software as a service and hardware or actually only SaS and proprietary software? > ..., Mailbox, Wire, Threema

> Getting off US tech "tech" meaning software, software as a service and hardware or actually only SaS and proprietary software? > ..., Mailbox, Wire, Threema,.... Is it known they don't use (proprietary) US software on their servers and their non-US software don't run inside VMs on proprietary VM supervisor/OS?