Rackspace Cloud Python SDK by Rackspace is an Apache licensed SDK for OpenStack clouds. Some of the Rackspace services that this SDK supports include Cloud Block Storage, Cloud DNS, Cloud Databases, and Cloud Files. This SDK is written in Python.
Zootle, UK based hosted CRM provider, offers most of its features through the SalesSystemCRM API. From prospecting to order processing, the API allows developers to integrate an entire ecommerce solution with its existing website and apps. The SalesSystemCRM app suite already focused and tailored to budgets in the SME space. However, an API makes the CRM provider even more attractive to businesses strapped for IT resources.
Replicon, leading provider of cloud-based time-tracking applications, allows developers to integrate Replicon features with third party applications via the Replicon API. Whether time needs to be tracked for billable hours, project management, employee schedules, or some additional reason; Replicon provides real-time visibility into time, resource, and project data.