As of noon on October 1, 2018, has been superceded by a new version of Concord available at

In accordance with our communications to all users over the past two months and in compliance with international data protection laws, all accounts, notebooks, and annotations have been deleted from

To sign-up for a 30-day free trial, please create an account for the new Concord.
Go to the new Concord Product site
If you need to be in touch with Concord Support, please email: