Pomerium is an identity and context-aware access proxy
Outline Manager, developed by Jigsaw
Cross-platform multi-protocol VPN software
A smart Ethernet switch for Earth
Domain-fronted HTTP/SOCKS5 proxy tunneling traffic through Google Apps
Docker image to run an IPsec VPN server, with IPsec/L2TP
A beautiful, fully open-source, tunneling service
Free UTM appliance: firewall, VPN, WAF and antivirus in one ISO.
Streisand sets up a new server running your choice
IPsec / IKEv2-based VPN software for Linux.
Network link bonding/trunking/aggregation and multichannel VPN daemon
A simple yet powerful open source VPN solution
the OpenSSH VPN, without the VPN