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Welcome to Codalab Competitions. Click [HERE] to see a flat list of all posts. You may either email to create a new topic or use this forum. To sort your posts by categories in the menu below, add a category when you create your post or add it later by editing your post.

We are an international collaboration seeking to support scientific competitions (challenges) by making publicly available software tools facilitating their organization.
Codalab competitions includes an open-source project of competition platform hosted on GitHub ( and a set of public web services, including the public instance of Codalab competitions (, which can be used free-of-charge for legitimate users accepting the Terms-of-use. This forum is for users, competition organizers, and developers, to exchange views and offer or receive help. Companies offering paid services to help competition organizers put together competitions are welcome to post their adds.

THIS FORUM IS NOT TO REPORT BUGS. Use for that purpose.
To ask private questions to the administrators use