ObservableCollectionEx is designed to postpone or disable notifications during collection update. The ObservanleCollectionEx is a direct replacement for ObservableCollection and could be used without any code modifications.
TryIt offers a simple, fluent way to try/retry actions, methods and tasks. You can pause between retries using one of the built-in delay policies or create your own.
You can also add error and success policies to fine tune your control of the process.
**Warning** Versions 2.0.0 and above...
Delay.Web.Helpers is an ASP.NET web helper assembly that includes support for Amazon Simple Storage Service (S3) blob/bucket access and data URIs. (Note: This assembly can be used with other .NET project types as well.)
PhonePerformance is a Windows Phone 7 assembly with classes to enable better performance for ListBox scrolling and Image display by delay-loading content and pushing as much work off the UI thread as possible.