JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
It seems that you were not able to load the JotForm builder properly due to network or connection issue on your side.
Can you please retry again by following this steps.
1. Logout of your account.
2. Clear your browser's cache.
3. Close the browser.
4. Open the browser.
5. Login to http://www.jotform.com/login
6. Click on this link http://www.jotform.com/?noCDN=true
7. Go to your My Forms page at http://www.jotform.com/myforms/
See if this make things better.
Inform us if issue still remains.