Hydrus
Hydrus is a name used in various contexts, but in contemporary digital software it most commonly refers to Hydrus Network, an open‑source application for organizing and managing large collections of digital media, especially images and videos. Hydrus Network is designed to help users catalog media with a strong emphasis on tagging, searchability, and offline privacy.
The core concept is a flexible tagging system that lets users assign multiple descriptors to individual files,
Hydrus Network generally uses a client–server architecture, where a central repository can be accessed by one
The project is maintained by an independent developer with input from a community of contributors and is