Deciso BV is a company based in the Netherlands that specializes in developing and providing open-source network security solutions. They are best known for their product OPNsense, which is a FreeBSD-based firewall and routing platform designed to ensure secure and efficient network management. OPNsense is recognized for its user-friendly interface, extensive feature set, and regular updates, making it a popular choice for both small and large organizations. The platform includes features like traffic shaping, VPN support, intrusion detection and prevention, and more. Deciso BV is committed to transparency and community collaboration, providing comprehensive documentation and support to its users. The official website for OPNsense is https://opnsense.org, where users can find downloads, documentation, and community forums.