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

ToolTip Controls & Components by Richer Components

RichHelpTip 3

RichHelpTip gives users easily accessible context-specific help in your web interface. Provide text snippets, images, HTML, links and search forms directly in the hover box. You may customize the appearance of each popup with HTML, style sheets, or in the .NET property editor for seamless integration into your web application.

ToolTip Controls & Components by Codejock Software

Xtreme Toolkit Pro 2008 Vol 1

Xtreme ToolkitPro™ combines nine of our most popular components, Xtreme CalendarPro, Xtreme CommandBars, Xtreme Controls, Xtreme DockingPane, Xtreme PropertyGrid, Xtreme ReportControl, Xtreme ShortcutBar, Xtreme SkinFramework and Xtreme TaskPanel into one easy to use package.

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.

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.

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.

ToolTip Controls & Components by LogicNP Software

ShellObjects ActiveX 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].

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.

ToolTip Controls & Components by Seekford Solutions, Inc.

ToolTip Wizard V3.0

Make your application easier to use. Users don't want to have to flip to Online Help or even worse open up a manual. Add great information messages to your users right in your application. Every developer wants to be able to add that flair to their program that makes it stand out. With most programs, ToolTips are the plain square box with a preset background and foreground color. NOT with ToolTip Wizard.

ToolTip Controls & Components by Perfection Bytes

PBBalloon & PBTray V2.1

PBBalloon Component includes an ActiveX OCX and DLL, to show XP-style balloon messages in ANY Windows version, show system tray icons and get their location on the screen. PBBalloon & PBTray can even be used to add Balloon tooltips to your applications, giving them a professional look when running under any Windows version.

ToolTip Controls & Components by 10Tec Company

hTooltip V1.0

hTooltip is an ActiveX DLL that provides you with the objects you can use to create native Windows tooltips in your applications. The name hTooltip itself means "handy tooltip", and the main goal of this component is to give you a handy tool you can use to create system-like tooltips with different options and features in your apps.

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.

ToolTip Controls & Components by Abstraction Systems

ToolTipsFactory for .NET V1.2 -  The ToolTipsFactory is a set of components designed to add visually and functionally sophisticated ToolTips to Windows Forms applications. These components give application developers the possibility to add really dynamic tooltips to their applications, with single- or multiline text, images or even animations as content. They also give programmers full control over size and layout of the ToolTip's background, border and behaviour.