Extension points supported by the Eclipse Platform SDK

Org.eclipse.ant.core.antTasks: Associates the ant task with the classes in your plug-in to extend the ant's ability to run in eclipse.
Org.eclipse.ant.core.antTypes: Associates the ant data type with the classes in your plug-in.
Org.eclipse.ant.core.extraClasspathEntries: Provides additional type libraries (JAR files) for ant use.
Org.eclipse.compare.contentMergeViewers: Provides a diff/merge viewer generator for one or more file types.
Org.eclipse.compare.contentViewers: Provides a viewer generator for one or more file types.
Org.eclipse.compare.structureCreators: Provides a class to create a tree structure for one or more file types.
Org.eclipse.compare.structureMergeViewers: Provides a viewer generator for one or more structured file types.
Org.eclipse.core.resources.builders: Registers an incremental builder that uses a symbol ID and a readable name.
Org.eclipse.core.resources.fileModificationValidator: Provides a class for team provider to handle the save validation and edit validation actions.
Org.eclipse.core.resources.markers: Registers a custom tag with the optional parent class and attributes, including some defined parent classes.
Org.eclipse.core.resources.moveDeleteHook: Provides a class for resource move and delete operations. Only one hook is allowed.
Org.eclipse.core.resources.natures: Installs a custom nature that can be used in user projects.
Org.eclipse.core.resources.teamHook: Register a class for team provider to process and link to create a specific event similar to the checksum.
Org.eclipse.core.runtime.applications: Defines a top-level program that can be called with the-application option on the Eclipse command line.
Org.eclipse.core.runtime.urlHandlers: Add the URL processor to the platform's search path.
Org.eclipse.debug.core.breakpoints: Defines a custom breakpoint.
Org.eclipse.debug.core.launchConfigurationComparators: Declares a dedicated Java comparer to compare properties.
Org.eclipse.debug.core.launchConfigurationTypes: Specifies the class that is used to run and debug various programs.
Org.eclipse.debug.core.launchers version 2.0 obsolete: Use Launchconfigurationtypes extension point instead.
Org.eclipse.debug.core.sourceLocators: Specifies the class to help the debugger locate the source code.
Org.eclipse.debug.core.statusHandlers: Registers an error handler for the debugger status code.
Org.eclipse.debug.ui.consoleColorProviders: Provides code to handle the color of the console output.
Org.eclipse.debug.ui.consoleLineTrackers: Provides code to listen for rows written to the console.
Org.eclipse.debug.ui.debugActionGroups: Groups several actions so that they can be visually or not visible at the same time.
Org.eclipse.debug.ui.debugModelPresentations: Defines a class to render and display labels, icons, and editors for the specified debug model.
Org.eclipse.debug.ui.launchconfigurationtab-groups: Provides a set of tabs to define the type of run configuration (both run and debug)
Org.eclipse.debug.ui.launchconfigurationtype-images: Associate a picture with a specific run configuration type.
Org.eclipse.debug.ui.launchGroups: Defines a set of run configurations that are displayed at the same time.
Org.eclipse.debug.ui.launchShortcuts: Adds a shortcut to the run and/or debug menus in one or more perspective charts.
Org.eclipse.help.appserver.server internal: Add a program server for help and other plugins.
Org.eclipse.help.browser: Register the HTML browser.
Org.eclipse.help.contexts: Defines the online (F1) Help for a plug-in.
Org.eclipse.help.luceneAnalyzer: Registers the natural language text parser used to index and search for help.
Org.eclipse.help.support: Define a Help system to replace the original version of the system. It is not recommended to use it except for specific programs.
ORG.ECLIPSE.HELP.TOC: Provides one or more help document tables for this plug-in.
Org.eclipse.help.webapp internal: The Web program plugin that registers the Help system.
Org.eclipse.jdt.core.classpathContainerInitializer: A custom classpath container that declares laly mode loading.
Org.eclipse.jdt.core.classpathVariableInitializer: Declares a custom classpath variable loaded in Laly mode for use in the Java build path.
Org.eclipse.jdt.core.codeFormatter: Defines a new code formatter.
Org.eclipse.jdt.debug.ui.vmInstallTypePage: Provides the JRE Run Configuration page for the custom VM type.
Org.eclipse.jdt.junit.testRunListeners: Registration code to get notification of test execution.
Org.eclipse.jdt.launching.classpathProviders: Register custom source code and CLASSPATH provider.
Org.eclipse.jdt.launching.runtimeClasspathEntryResolvers: Provides classes to search for classes and source files in a given classpath and/or container.
Org.eclipse.jdt.launching.vmConnectors: Provides a custom way to connect to the JVM to debug and run.
Org.eclipse.jdt.launching.vmInstallTypes: Provides a new type of Java Virtual machine installation.
Org.eclipse.jdt.ui.classpathContainerPage: Add Wizard page to create or edit Classpath container entry.
Org.eclipse.jdt.ui.javadocCompletionProcessor: Defines the Javadoc auto-complete processor (for example, recommendations for Xdocklet tags).
Org.eclipse.jdt.ui.javaEditorTextHover: Defines a new type of hot operation in the Java editor.
Org.eclipse.jdt.ui.javaElementFilters: Adds a customizable filter (such as a package browser) to the view that displays Java elements.
Org.eclipse.pde.ui.newExtension Experimental: Define the wizard to create a new extension in the PDE plug-in manifest editor.
Org.eclipse.pde.ui.projectGenerators Experimental: Define the wizard to create the initial content of the PDE plug-in project.
Org.eclipse.pde.ui.templates experimental: Defines the template that is used to generate code for the new plug-in.
Org.eclipse.search.searchPages: Adds a tab to the Find dialog box.
Org.eclipse.search.searchResultSorters: Provides custom sorting options in the Find view.
Org.eclipse.team.core.fileTypes; declares that a file must be of type only text or binary based on its extension.
Org.eclipse.team.core.ignore: Added mode for version control ignore list.
Org.eclipse.team.core.projectSets: Provides a handler for reading and writing the project set (a collection of team-shared projects).
Org.eclipse.team.core.repository: Define a new team provider.
Org.eclipse.team.ui.configurationWizards: Provides wizards to be responsible for associating projects and team provider.
Org.eclipse.ui.acceleratorConfigurations version 2.1 obsolete: Use commands extension instead. Define the accelerator configuration for users to select in the Preferences page.
Org.eclipse.ui.acceleratorScopes version 2.1 obsolete: Use commands extension instead. Defines the scope for qualifying accelerator set activity scopes.
Org.eclipse.ui.acceleratorSets version 2.1 obsolete: Use commands extension instead. Defines a collection of keyboard shortcuts for workspace actions.
Org.eclipse.ui.actionDefinitions version 2.1 obsolete: Use commands extension instead. Define actions.
Org.eclipse.ui.actionSetPartAssociations: Associates an action set with a workbench part, which is visible when the workbench part activity is in season.
Org.eclipse.ui.actionSets: Defines the display of an action set (a menu or toolbar item) in a user-defined view.
Org.eclipse.ui.capabilities version 2.1 is not implemented: registering new project performance.
Org.eclipse.ui.commands: Defines commands, command directories, and default shortcut keys.
Org.eclipse.ui.decorators: Adds a decorator that modifies the icon or item label according to the view state.
Org.eclipse.ui.documentProviders: Registers the document provider class for the given extension or input type. Used when the editor is opened.
Org.eclipse.ui.dropActions: Defines a handler to enable the object of this plug-in to be dragged and dropped into the view of other plug-ins.
Org.eclipse.ui.editorActions: Add actions to the menus and toolbars registered with other plugins.
Org.eclipse.ui.editors: Add a new editor to the Workbench.
Org.eclipse.ui.elementFactories: Defines the element generator so that the saved objects are rebuilt when eclipse is closed.
Org.eclipse.ui.exportWizards: Creates a wizard that appears in the Export dialog box.
Org.eclipse.ui.fontDefinitions: Registers a new font for use with the workbench.
Org.eclipse.ui.importWizards: Creates a wizard that appears in the Import dialog box.
Org.eclipse.ui.markerHelp: Provides a way to obtain help information for a tag.
Org.eclipse.ui.markerImageProviders: Provides an image for the new marker type.
Org.eclipse.ui.markerResolution: Adds a class to give quick fix suggestions for issues marked with a particular tag type.
Org.eclipse.ui.markerUpdaters: Defines the tag's update policy so that its properties are updated according to its location and text when its resources are saved.
Org.eclipse.ui.newWizards: To add a wizard to the [New] dialog box, you can create a new directory to place the program.
Org.eclipse.ui.perspectiveExtensions: Extends the Perspective view of other plug-in definitions. Allows you to add menus, toolbar items, shortcut keys, views, and more.
Org.eclipse.ui.perspectives: Defines a new perspective.
Org.eclipse.ui.popupMenus: Add items to the pop-up menu for objects, views, or editors defined by other plug-ins.
Org.eclipse.ui.preferencePages: Adds a page to the Preferences dialog box.
Org.eclipse.ui.projectNatureImages: Defines a small icon that modifies the image of an item according to its nature.
Org.eclipse.ui.propertyPages: Adds a property page to a Workspace object of a given type.
Org.eclipse.ui.resourceFilters: Adds a predefined filter for a view that displays resources, such as the Navigation view.
Org.eclipse.ui.startup: Marks the plug-in to be launched when Eclipse is loaded.
Org.eclipse.ui.viewActions: Adds an item to a view's menu or toolbar.
Org.eclipse.ui.views: Define additional views for the workbench.
Org.eclipse.ui.workingSets: Defines the Working Set wizard page.
Org.eclipse.update.core.featureTypes: Create a new type of attribute to toggle wrapper and validate schema.
Org.eclipse.update.core.installHandlers: Defines a global installation handler that can be referenced by an attribute that is being updated.
Org.eclipse.update.core.siteTypes: Defines a custom update site layout.
Org.eclipse.update.ui.searchCategory internal: Add a new search directory in the Update manager.

Extension points supported by the Eclipse Platform SDK