BCS is now available in SharePoint 2010 at the foundation level. However the code to install the BCS model is only available in the Standard/Enterprise edition of SharePoint.
BCS Tester Man is a BCS Test Client that makes it easier for SharePoint BCS Model Developers to test Models and External Content Types. You'll no longer have to create and configure Business Data Web Parts or External Lists. It's developed in C#. UI is WPF with MVVM.
The given set of classes simplifies an access to the external data, which can be reached through BDC. The library allows to make simple requests for values from external data source, using a BDC Entity Instance Identifier(s) or a value of a certain BDC Entity field. Developed to interact with Business Data Connectivity of SharePoint 2010.
A Sharepoint 2010 Application framework with Reusable Assets like Re-usable Webparts,SilverlIght Webparts,Solutions and Reusable Features.
This connector provides a bridge between TFS WorkItems to SharePoint External Lists using BCS ECTs mapped to TFS WorkItem types, implemented all CRUD operations