1)   CheckListBox ActiveX Control 2.6 SP5
CheckListBox ActiveX Control provides support for listbox containing checkboxes, In this control, each item's font, color, enabled and checked state can be individually modified.
listbox, font, color, checkbox, CheckListBox,

 2)   Xceed SmartUI 2.0
Xceed SmartUI provides VB6 developers with a framework of visual controls for building rich user interfaces. Includes Menus, ToolBars, TreeViews, OutlookBars, StatusBars, PropertyLists and more all based on an ultra-flexible, reusable core control.
toolbar, tool bar, menubar, menu bar, treeview, statusbar, explorer bar, listbox, optionlist, outlook bar,

 3)   PureComponents Ultimate Suite for .NET 2008.1
PureComponents Ultimate Suite is a set of 79 controls for .NET WinForms. It contains all controls you need for developing the user interface. You can find there controls for displaying data in a grid, calendars, controls for creating forms and more.
grid, scheduler, calendar, clock, listbox, ribbon, navigator, purecomponents, component, control,