Epiforge 

Gear for making components.

Gear for creating expressions that actively re-evaluate when changes occur.

Gear for caching stuff.

Gear for performing active queries.

Gear for leveraging multi-core processors to get things done faster.

Gear for creating single-instance applications using named pipes.

Cogs for building components. Includes PropertyChangeNotifier.

Cogs for handling disposal. Includes AsyncDisposable, Disposable, SyncDisposable.