... I send out a list of most interesting libraries and apps in the "Go" section to about 1100 subscribers.
Do you want it too?
Go library for the Cloudflare v4 API
ShellHub enables teams to easily access any Linux device behind firewall and NAT.
A Web Application Firewall for PHP written in Go
A fast reverse proxy to help you expose a local server behind a NAT or firewall to the internet.
A wrapper on top of Iptables to manage rules to block docker.
A Go language client for the NAT-PMP internet protocol for port mapping and discovering the external IP address of a firewall.
Use your Mikrotik firewall to do fail2ban like blocking of unwanted IPs. Written in Go
Database firewall written in Go
Janusec Application Gateway, a Golang based application security solution which provides WAF (Web Application Firewall), CC attack defense, unified web administration portal, private key protection, web routing and scalable load balancing.