Open Source
VPN (stunnel.org)
WinSCP, SSH
NAS (Synology - High Availability Cluster - Directory Server, etc.)
E-Mail-Verschlüsselung mit S/Mime (Thunderbird, Outlook)
Verschlüsselte Datencontainer (VeraCrypt)
BigBlueButton infra.run
Microsoft 365 Education
MS Remote Desktop Dienste (Terminal-Server)
Virtualisierung (Hyper-V, VirtualBox, Proxmox)
Python, Mojo