Coherence

As a heads up it appears from the agreement that anything you develop using this service belongs to them:

"All rights, titles and interests in and to intellectual property resulting from Company’s provision of the Platform and/or related services, including Customer feedback (together with the intellectual property rights therein, the “New I/P”), is from inception and will remain the sole property of Company. Customer hereby assigns to Company any and all rights, titles, and interests in and to New I/P, including all applicable intellectual property rights, as and when arising, created or developed. Customer hereby irrevocably transfers and assigns to Company all of Customer's existing and/or hereafter arising rights, titles and interests in and to all New I/P, including all worldwide patent rights (including patent applications and disclosures), copyright rights, trade secret rights, and other intellectual property rights therein. At Company’s request and reasonable expense, Customer will execute documents and take such further acts as Company may reasonably request to assist Company to acquire, perfect and maintain its rights, titles and/or interests and other legal protections in and to New I/P and/or other I/P of Company. "