List of free wireguard stuff for developerππ½
If you're looking for all programming tools around wireguard (not just free). Check this page List of wireguard Programming Tools

The 2hO Network
A totally transparent, always-on, mesh-based, secure remote network that keeps you and your devices connected wherever you are
Tag: vpn, firewall, remote, wireguard, cybersecurity
Free for non-commercial use. A single user account Multiple devices End-to-end encryption Automatic roaming Access sharing Friendly DNS names Access to support

WireGuard Admin App
WGAdmin turns a Raspberry Pi into a simple WireGuard VPN Appliance.
Tag: wireguard, vpn, raspberry pi, cybersecurity, remote access

Netmaker
Connect your devices securely, wherever they are. Netmaker lets you create the fastest possible distributed mesh VPN. Powered by WireGuard.
Tag: vpn, wireguard, remote, cybersecurity, networking
Manage WireGuard networks
Create mesh VPNs
Create gateways into remote environments
Provide private DNS
Automate ACLs
Connect your infrastructure
Administrate with a UI panel