OpenQuickBooks is an open source accounting software.It is an accounting software similar to QuickBooks.It`s main tasks:Track sales and expenses,Easily create and manage invoices,Create and send purchase orders.C# developers are welcome.Talley
An online personal finance and home budget system, on the cloud. Server-side business logic written in C#, offering an ASP.NET web application for end-users and Web Services for creating clients in any language and platform.