Argus is an open-source, self-hosted monitoring and automation tool designed to help users keep their software and servers up-to-date and running smoothly. It continuously monitors releases of software projects, container images, and repositories to notify users of new versions, enabling timely updates. Beyond version monitoring, Argus can automate update workflows, including triggering deployments and custom scripts, making it ideal for developers and system administrators who want to maintain reliable and secure environments. With a flexible configuration system and support for various notification channels, Argus provides proactive maintenance capabilities tailored to diverse infrastructure needs.