Here is a slightly more detailed view, by .NET framework version:
Implemented | Partially Implemented | Not Implemented |
.NET 4.0
C# 4.0 |
ASP.Net 4.0 |
ASP.Net MVC 1 and MVC 2 |
System.Numerics |
Managed Extensibily Framework - Shared with .NET via MS-PL license |
Dynamic Language Runtime - Shared with .NET via MS-PL license |
Client side OData - Shared with .NET via MS-PL license |
Parallel Framework and PLINQ |
CodeContracts - API complete, partial tooling |
EntityFrameworks - Not available. |
Server-side OData - Depends on Entity Framework. |
.NET 3.5
C# 3.0 |
System.Core |
LINQ |
ASP.Net 3.5 |
ASP.Net MVC |
LINQ to SQL - Mostly done, but a few features missing |
.NET 3.0
WCF - silverlight 2.0 subset completed |
WPF - no plans to implement |
WF - Will implement WF 4 instead on future versions of Mono. |
.NET 2.0
C# 2.0 (generics) |
Core Libraries 2.0: mscorlib, System, System.Xml |
ASP.Net 2.0 - except WebParts |
ADO.Net 2.0 |
Winforms/System.Drawing 2.0 - does not support right-to-left |
.NET 1.1
C# 1.0 |
Core Libraries 1.1: mscorlib, System, System.Xml |
ASP.Net 1.1 |
ADO.Net 1.1 |
Winforms/System.Drawing 1.1 |
System.Transactions |
System.Management - does not map to Linux |
System.EnterpriseServices - deprecated |