Matillion - Matillion is a cloud-based data integration software.
SQLAPI++ - SQLAPI++ is C++ library for accessing SQL databases (Oracle, SQL Server, Sybase, DB2, InterBase, SQLBase, Informix, MySQL, Postgre, ODBC, SQLite, SQL Anywhere).
Talend Data Services Platform - Talend Data Services Platform is a single solution for data and application integration to deliver projects faster at a lower cost.
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/
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.
dotConnect - Ultimate solution for developing data-related .NET applications