DanceCompetitonHub.com is one stop hub for all dance-related events and their review for the mainly USA and Canada. Thousands of user uses this DanceCompetitionHub during the season. Sunflower Lab has developed this application with the back office admin app that DanceCompetitionHub team can easily maintain and update the data.
Sunflower is a great company. The provide some of the best project management and architecture insight I have found and they are very reasonably priced.