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.
Tabbles - Tabbles use tags to organize and find files along with your colleagues.
Konachan - Imageboard dedicated to anime, manga, and Japanese games wallpapers / backgrounds.
TMSU - TMSU is a tool for tagging your files.
Szurubooru - Image board engine, Danbooru-style. Contribute to rr-/szurubooru development by creating an account on GitHub.