I was wondering if anyone had any recommendations for what's ostensibly, a free version alternative of Sql Server Reporting Services, or some general (and hopefully 100% web based) business intelligence software built in .NET/C# ? I've tried googling, and most of what I've come across is dead and gone, or has turned commercial. I'm trying to avoid having to re-invent the wheel, with building the UIs for a "diy" report builder-- list the tables, list the columns, list possible aggregate options, drag and drop, etc, etc.