Octelium is a next-generation, free and open source, self-hosted platform for unified secure access using zero trust architecture. It serves as a modern alternative to traditional VPNs, enabling secure access to both internal and external resources without the need for pre-shared secrets. It is designed to be scalable and versatile, accommodating use cases like secure tunnels, API gateways, and self-hosted PaaS environments. Octelium operates atop Kubernetes and can be easily deployed on cloud or on-prem infrastructure, providing robust access control and seamless integration with identity providers for authentication.