Stable:
Commons.RelaxNG
Cscompmgd
+ Mono.Data
Mono.Data.Tds
- Mono.Data.TdsClient
Mono.Posix
Mono.Security
- Mono.Security.Protocol.Tls
Mono.Security.Win32
System.Web
System.Configuration.Install
Accessibility
Mono.Cairo
Mono.CSharp.Debugger
- Mono.Data
Mono.Data.DB2Client
- Mono.Data.PostgressClient
Mono.Data.SqlLite
Mono.Data.SybaseClient
Mono.GetOptions
System.Drawing.Design
System.Windows.Forms
Formatters.Soap
+ Mono.Data.TdsClient (older Sybase and MS SQL)
Missing:
System.EnterpriseServices
ByteFX.Data
Npgsql
PEAPI
+ SharpZipLib.
+
+ Java integration with IKVM.NET
</pre>