
Silverlight for Windows Phone Toolkit offers developers additional controls for Windows Phone application development, designed to match the rich user experience of the Windows Phone 7.1 SDK.
This toolkit includes common Windows Phone user interface controls such as toggle switches, page transitions, and picker controls. The toolkit has also been localized into all of the Windows Phone “Mango” languages.
Download Toolkit at CodePlex
Download Toolkit at NuGet
Toolkit Features

Microsoft has released the Bing Maps WPF Control software development kit (SDK). You can use this control to build your own applications that use Bing Maps.
Download Bing Maps WPF Control SDK
The Extended WPF Toolkit is an open-source collection of Windows Presentation Foundation (WPF) controls, components and utilities made available outside the normal WPF Toolkit.
New controls in v1.5 include CheckListBox, CollectionEditor, CollectionEditorDialog, DropDownButton, MultiLineTextEditor, PrimitiveTypeCollectionEditor, PropertyGrid (beta), and Wizard.
Extended WPF Toolkit on CodePlex

Single developer licenses for Alvas.Net components are now FREE. Team licenses with support and source code are still available for a charge. Free components include:
- Alvas.FileControls – Windows Explorer controls
- Alvas.ShapeForms – Non-rectangular forms
- Alvas.Scriptor – Create custom scripts
- Alvas.Controls – Resizable and draggable controls
- Alvas.Labels – 3-D text effects
Alvas.Net Free Products

PhoneyTools is an open-source library of controls and helper classes for Windows Phone 7. The beta version 0.5 is now available and includes two new controls: SelectSwitch and SimpleLongListSelector. The official release is still slated for MIX11.
Other controls and classes include FadingMessage, BitlyHelper, PhoneLogger, ObservableObject, Phone Resources, GameTimer, MicrophoneRecorder, SoundEffectPlayer, and PhoneNetworking.
PhoneyTools on CodePlex

Coding4Fun has created an open-source collection of Silverlight controls for Windows Phone 7. Controls include:
- About Prompt
- Input Prompt
- Progress Overlay
- Round Button
- Round Toggle Button
- Memory Counter
- TimeSpan Picker
Coding4Fun on CodePlex

Mindscape has released three free Silverlight controls for you to use in your applications. You’re welcome to use them free of charge, royalty free. The three free Silverlight controls are the Book control, Coverflow control, and the handy Expander control.
Mindscape Free Silverlight Controls
The Windows Ribbon for WinForms is a managed wrapper around Windows Ribbon Framework, a free ribbon control that Microsoft provides in Windows 7 and Vista.
New features in v2.6:
- Simplified use: drag & drop the ribbon control onto your form
- Localization support
- Visual Studio 2010 and .NET 4 support
- RibbonGenerator custom tool
- Specify keyboard shortcuts in XML format
- Bugs fixed
Windows Ribbon on CodePlex
The Windows Ribbon for WinForms is a managed wrapper around Windows Ribbon Framework, a free ribbon control that Microsoft provides in Windows 7 and Vista.
This new v2.5 release contains breaking changes, so upgrade only if you are starting a new project or don’t mind updating your code. The biggest change is making events more .NET friendly. Note: you must have the Windows 7 SDK installed in order to compile the project.
Windows Ribbon on CodePlex
Details on Windows Ribbon v2.5
Windows Ribbon for WinForms is an open-source .NET wrapper for the Windows Ribbon Framework, a free ribbon control that Microsoft provides in Windows 7 and Vista. It allows WinForms developers to use the Ribbon control — as found in Microsoft Office applications — in their WinForms applications.
The project includes the RibbonLib library and sample WinForms applications, written both in C# and VB.NET, that demonstrate the use of the library and the Ribbon features.
Windows Ribbon on CodePlex