From their site: Engagd represents the first open-standards based Attention Platform designed to empower users to control their own personal Attention Profiles, and developers to quickly and easily add Attention Awareness to their applications and mashups.
The following is a list of SDKs from our SDK directory that matched your search term. Though your definition of an SDK may differ, in our world, we define SDKs as platform- specific tools for consuming existing APIs of the sort we list in our API directory. For example, the Ruby SDK for consuming the Twitter Ads API. If you think an SDK, API, or other asset is missing from our directory, be sure to check our guidelines for making contributions to ProgrammableWeb.