Vena is a modern, browser-based medical journal and practice management system designed for Danish general practitioners and clinics. It replaces outdated, server-based solutions with a simple and intuitive interface that covers the full spectrum of daily practice needs, from patient journaling, prescriptions, and vaccinations to calendar management and practice finances. Vena integrates directly with national healthcare infrastructure, medical instruments, and popular accounting tools, and uses AI to assist with note-taking, dictation, and automatic creation of structured data. With transparent, fixed monthly pricing and no need for on-premise servers, Vena offers a future-proof, certified solution for running an efficient medical practice in Denmark.