There are 7 repositories under file-tagging topic.
Diskover Community Edition - Open source file indexer, file search engine and data management and analytics powered by Elasticsearch
Web file manager, disk space usage, storage search engine and file system analytics for diskover
C++ GUI file sort by custom tag
Output human readable test scope report for QA
Unix filter to colorize tags stored in filenames!
Unix shell utility to add file tagging capability to Unix filesystem