Flagdoku - Flag Search

Flagdoku is a flag search engine that tags each flag by color and shape patterns to help you find visually similar flags. It hosts 9000+ flags from countries, regions, and historical entities, with user submissions to expand the collection.

🔗 Full discussion: https://www.reddit.com/r/InternetIsBeautiful/comments/1u0dza8/a_flag_search_engine_with_9000_flags_based_on/