- EActionComboBox
- EAuthComboBox
- EBitArray
- e-buffer-tagger
- ECalendarItem
- ECalendar
- e-charset
- ECharsetComboBox
- EConflictSearchSelector
- EContactStore
- EDataCapture — Capture data from streams
- EDateEdit
- EDestinationStore
- e-dialog-widgets
- e-file-utils
- EFocusTracker
- EImageChooser
- EImportAssistant
- EIntervalChooser
- EMailIdentityComboBox — Combo box of mail identities
- EMap
- EMenuToolAction
- EMenuToolButton
- e-mktemp
- ENameSelectorDialog
- ENameSelectorEntry
- ENameSelectorList
- ENameSelectorModel
- ENameSelector
- EOnlineButton
- EPaned
- EPhotoCache — Search for photos by email address
- EPhotoSource — A source of email address photos
- EPictureGallery
- e-poolv
- EPopupAction
- EPortEntry
- EPreferencesWindow
- EPreviewPane
- EPrintable
- ESearchBar
- ESelectable
- ESelectionModelArray
- ESelectionModelSimple
- ESelectionModel
- ESendOptionsDialog
- ESimpleAsyncResult
- ESorterArray
- ESorter
- ESpellEntry
- e-spell-text-view
- ESpinner
- e-text-event-processor-types
- e-text-model-repos
- ETimezoneDialog
- ETreeModelGenerator
- ETreeViewFrame — A frame for GtkTreeView
- EUrlEntry
- e-util-enums
- e-widget-undo