Hydrus Network
A personal booru-style media tagger that can import files and tags
...Its customizable downloaders and subscriptions automate repeated searches and media collection. The application provides built-in image viewing and video playback through MPV or native Qt components. Hydrus also supports advanced searching, duplicate management, and anonymous tag sharing through user-operated servers. Available for Windows, Linux, and macOS through source installation, it emphasizes privacy, local control, and flexible media organization.