Here's a list of all Tool tip Controls that display text information in a small popup window when a user points to an object on the screen. The The tooltip page lists all tooltip controls and components for .net, ActiveX, Java, Delphi

.Net ToolTip Controls & Components by Infragistics

NetAdvantage for Windows Forms 2008 Vol 2

NetAdvantage for Windows Forms includes the WinDesktopAlert pop-up notification window for the desktop, that can fully emulate Instant Messenger and Office "toaster" appearances. Included with the many extras in this toolset is the WinTooltipManager which enables expressive pop-up and bubble tooltips. Get these controls and many more with NetAdvantage for Windows Forms.

.Net ToolTip Controls & Components by PureComponents

PureComponents Ultimate Suite V2008.1

PureComponents Ultimate Suite is set of 79 .NET WinForms components like Grids, Ribbon, Navigation panels, buttons, textboxes, comboboxes, listboxes and much more. Our set of controls suits the need of any application you can possibly imagine.

.Net ToolTip Controls & Components by Actipro Software LLC

Actipro Ribbon for WPF V3.0

Provides an Office 2007-like ribbon user interface that can be used in any WPF application and adheres to Microsoft’s ribbon requirements. Features include ribbon resizing, application menu, QAT customization, many control types, multiple layout options, key tips, screen tips, WPF command model usage, contextual tab groups, theming, RTL, XBAP compatibility, VS designer support, and much more.

.Net ToolTip Controls & Components by Active Up SPRL

Active WebControls Suite 2007 V1

Web.Controls is a set of Content Management and Input Controls with Rich UI support designed for ASP.NET. This library includes almost everything a serious web developer needs to build a powerful web application.

.Net ToolTip Controls & Components by Binarymission Technologies Ltd

BinaryToolTip .NET V2.0

BinaryToolTip .NET Ver. 2.0 is an advanced Microsoft .NET WinForms© component, providing a feature-rich and highly configurable "ToolTip" component for the Microsoft WinForms© .NET platform. BinaryToolTip .NET is an extended replacement for the standard .NET ToolTip object, providing a wealth of impressive features, including the ever popular Windows XP styled "Balloon ToolTip" style, making it easier for you to develop high quality and outstanding GUI applications in less time.

.Net ToolTip Controls & Components by LogicNP Software

ShellObjects.Net 2008

ShellObjects.Net is a set of components which allow your applications to display MSN/Office2003 style popups [ShellPopupNotification], put icons in the shell tray notification area with support for animations, multiple icons and balloon styles [ShellNotiyIcon], and create, modify and read shortcut (*.lnk) [ShellLink] and internet shortcut (*.url) files [UrlLink].The new version fully supports VS 2005 and .Net 2.0 and has some new features and functionality.

.Net ToolTip Controls & Components by Component Designs

HelpBubble V1.5.11

It's a known fact users don't like to use online help. Many users don't even know how to find the help you've just spent weeks or months creating. This presents quite a conundrum, users want more powerful applications and at the same time they want them easier to use. HelpBubble can solve both of these issues by bringing proactive help to the user making your application easier to use and self documenting.

.Net ToolTip Controls & Components by DevComponents LLC

DotNetBar for Windows Forms V7.3 -  DotNetBar for Windows Forms is toolbox of over 30 stunning components that help you create professional user interface with ease. Among many controls it includes Office 2007 Ribbon Control, Office 2007, 2003 and VS.NET 2005 style menus and toolbars, multi-functional panel controls, Docking controls, Navigation Pane and much, much more...