Hydrus is described as 'A personal booru-style media tagger that can import files and tags from your hard drive and popular websites. Content can be shared with other users via user-run servers' and is a popular Imageboard in the photos & graphics category. There are more than 10 alternatives to Hydrus for a variety of platforms, including Windows, Linux, Mac, Self-Hosted and Microsoft Edge apps. The best Hydrus alternative is TagStudio, which is both free and Open Source. Other great apps like Hydrus are TagSpaces, Eagle , GCstar and Pinry.
TagStudio is a photo & file organization application with an underlying tag-based system that focuses on giving freedom and flexibility to the user. No proprietary programs or formats, no sea of sidecar files, and no complete upheaval of your filesystem structure.
Privacy-first, multi-device organizer for files and folders with customizable tags, color labels, note editing in markdown or HTML, Kanban boards, S3 object storage support, web page clipping, vendor lock-in free filename tagging, open source option, and multi-format preview.
Multi-format solution for managing, searching, and organizing images, videos, audio, and fonts with advanced tags, folders, smart folders, color filters, and over 90 design file previews. Features browser integration, annotations, and creative workflow support.
Desktop application to manage of various types of collections (books, comics, films, TV shows, music, games, wines, stamp, coins, etc...).
Pinry is a private, self-hosted, Pinterest inspired by Wookmark and built on top of Django.
Keepmark is a desktop, privacy first documents organizer. You can organize with it your files, email, bookmarks, tasks, news, and other resources. Its available for Windows, Linux and Mac.
Hackable SQLite-based tagging, any file format, with scripts and C# plugins, powerful search query language, 100k+ files managed with ease.
Szurubooru is an image board engine inspired by services such as Danbooru, Gelbooru and Moebooru dedicated for small and medium communities.
Anime imageboard browser, aggregator, downloader, tagger, converter, collection manager. Download images from imageboards while keeping or modifying the original tag list, browse and create your own collections, configure workspaces for customizable image downloads with file and...
Fur Affinity is an online art gallery dedicated to anthropormophic and furry artwork.
Docspell is a personal document organizer. You'll need a scanner to convert your papers into files. Docspell can then assist in organizing the resulting mess 😉.
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Pinry is a self-hosted browser application whereas Hydrus is a desktop software.