VBConversions has the most accurate VB.Net to C# Converter money can buy. The VBConversions VB to C# Converter won Visual Studio Magazine Reader's Choice Award, 2006. Free download.
dotConnect for Salesforce is an ADO.NET provider for accessing data of the Salesforce.com cloud CRM and Database.com cloud database through the standard ADO.NET or Entity Framework interfaces.
LLBLGen Pro generates a complete data-access tier and business objects tier for you (in C# or VB.NET), utilizing powerful O/R mapping technology and a flexible task-based code generator, allowing you to at least double your productivity!
dotConnect for PostgreSQL is an enhanced data provider built over ADO.NET architecture and a development framework with a number of innovative technologies, which allows to customize the default Type Mapping Rules.
A sophisticated web-scraper allowing C# developers to fluently reverse engineer web applications back to databases or clean raw data such as CVS, Excel or JSON. Contains massively parallel yet polite http multithreading.
dotConnect for SQLite is a data provider built on ADO.NET architecture. With Entity Framework and LinqConnect support it introduces new approaches for designing applications, boosts productivity, and leverages database applications.