Inogic Marketing4Dynamics - Marketing4Dynamics is providing integration between Dynamics 365 CRM & Mailchimp. It syncs Mailchimp & Dynamics 365 CRM customers.
CppDB - SQL Connectivity Library - CppDB is an SQL connectivity library that is designed to provide platform and Database independent connectivity API similarly to what JDBC, ODBC and other connectivity libraries do. http://cppcms.com/sql/cppdb/
dotConnect - Ultimate solution for developing data-related .NET applications
Zapier - Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.
Talend Data Integration - Talend offers open source middleware solutions that address big data integration, data management and application integration needs for businesses of all sizes.
CData ODBC Drivers - Live data connectivity from any application that supports ODBC interfaces.