No, our custom elements does sound similar to Polymer but there are two main differences: we don't use ShadowDOM (polymer does) and our elements are for creatin

No, our custom elements does sound similar to Polymer but there are two main differences: we don't use ShadowDOM (polymer does) and our elements are for creating Postgres backed web apps. Greyspots has two parts: the front end and the Envelope Server. The front end is comprised of custom HTML tags and a JS library (We use X-tags to implement custom tags). The Envelope Server is a middleware replacement that exposes a fixed API from the front end to a Postgres database.