Made by Eventbrite, this unofficial lightweight Python wrapper is made for interfacing with the Zendesk API. Though not supported by Zendesk, the client is endorsed for use as part of the Zendesk developer community. Zendesk is a professional-grade help desk system.
Slack is targeting the enterprise in a big way with Slack Enterprise Grid, a scalable version of its business communications platform. Along with the expanded platform, Slack updated its Node.js and Python SDKs so developers can add the new features to their own Slack business apps.
The line between what constitutes a platform versus an application is getting more blurry with each passing day. Applications are increasingly coming complete with SDKs that provide developers with access to APIs through which they can extend the application. Case in point is Decisyon, which recently launched a Decisyon 360 collaborative decision making (CDM) environment that makes extensive use of RESTful APIs and Web Services that are exposed via an SDK.