寻找完全管理的WeifenLuo（DockPanel Suite）替换或实现一个提示

I need a WeifenLuo replacement that'll run on both .NET and Mono, on Windows, Linux and Mac, preferrably licensed under the MIT license. I'd appreciate if the API was similar to WeifenLuo's, but I understand that such may not be available.I need a WeifenLuo replacement that'll run on b