OPNsense is a Netherlands-based company established in 2015, specializing in security products and services within the business services industry. It employs between 11 and 50 individuals and has reported revenue of approximately $3.725 million. The company is known for its open-source firewall and routing platform, which offers a range of high-end features tailored for security applications. Key functionalities include stateful packet inspection, web application control, and integrated intrusion detection and prevention systems. OPNsense emphasizes user-friendly management through capabilities such as centralized management, two-factor authentication, and role-based administration. The platform supports various network services, including VPN and remote access, and provides tools for diagnostics, troubleshooting, and compliance. The published whitepapers detail the extensive features of OPNsense, highlighting its focus on security, high availability, and ease of use in managing network infrastructure. The documentation underscores OPNsense's commitment to providing timely security updates and robust user support, making it a relevant player in the security products sector.