PropertyGrids

• ComponentOne
• Orbifold
• Mindscape link 2
• WPF propertygrid
• Actipro
• WPG
• SPG (Silverlight)

DataGrids

• WPF DataGrid
  • Tutorial (Moser)
  • Examples (Eberhardt)
• Infragistics
• Xceed
• Telerik
• DevExpress
• ComponentOne

• Recommendations (Sync)
• What is the best free datagrid for wpf (Stack Overflow)
• What wpf datagrid controls are worth the money and/or effort (Stack Overflow)

ColorPickers

• ColorPicker Custom Control Sample (msdn)
• Extended WPF Toolkit Colorpicker
• many more...