Danbooru - Danbooru is an advanced, tag-based image board system that is based on Ruby On Rails.
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.
Szurubooru - Image board engine, Danbooru-style. Contribute to rr-/szurubooru development by creating an account on GitHub.
TagFlow - TagFlow is an intelligent files manager that use tags for organize your documents.
yande.re - yande.re is an anime-focused imageboard, or "booru", that utilizes a comprehensive tag...
allTags - allTags is a free, tag based file management application.