Hydrus - A personal booru-style media tagger that can import files and tags from your hard drive and popular...

TagSpaces - TagSpaces is an open source platform for personal data management. With TagSpaces you can manage and organize the files on your laptop, tablet or smart phone.

Danbooru - Danbooru is an advanced, tag-based image board system that is based on Ruby On Rails.

TagFlow - TagFlow is an intelligent files manager that use tags for organize your documents.

TMSU - TMSU is a tool for tagging your files.

oreno.imouto - Imageboard dedicated to high resolution anime scans, ecchi scans, hentai scans, moe scans, and...