GoWall is a firewall made in GoLang that uses IPTables as it's backbone, the idea is to allow easy and fast configuration of IPTables.
Janusec Application Gateway, an application security solution which provides WAF (Web Application Firewall), CC attack defense, OAuth2 Authentication, private key protection, Web SSH operation, Web routing and scalable load balancing.
A fast reverse proxy to help you expose a local server behind a NAT or firewall to the internet.