A simple way to block access to the internet per app
Share a VPN connection with VMs or containers
Network Security Appliance Linux Distribution
Free UTM appliance: firewall, VPN, WAF and antivirus in one ISO.
Robust and flexible VPN network tunnelling
Next Generation Open Source Firewall
Bypass your ISP's firewalls and connect to the internet!
OpenBSD IPsec based VPN
Lomalarga is a VPN-like service based on SSH and Linux.