BVCMS
BVCMS is a robust and stable free and open source Church Management System (ChMS). It offers a blend of the features found in for-profit business software like Enterprise Resource Planning (ERP) and Customer Relationship Management (CRM) software with unique customizations, enhancements, and features for the non-profit church. The software is utilized by Bellevue Baptist Church which also maintains the codebase (on CodePlex) and by a number of other churches. It is written in ASP.NET 3.5 utilizing MVC, LINQ-to-SQL, jQuery, and a MSSQL back-end.