Installed Plugins 
Plugins are mainly user-contributed add-ons that enhance and extend TWiki features and capabilities. A limited number of plugins are included in the core TWiki distribution - and any of those can be removed - while the rest are optional, available from 
TWiki:Plugins.PluginPackage
.
Here is a list of the plugins currently installed and enabled on this TWiki site:
-  SpreadSheetPlugin (2015-06-07, $Rev: 29570 (2015-11-29) $): Add spreadsheet calculation like "$SUM( $ABOVE() )"to TWiki tables or anywhere in topic text
-  BackupRestorePlugin (2015-01-09, $Rev: 28636 (2015-11-29) $): Administrator utility to backup, restore and upgrade a TWiki site 
-  ColorPickerPlugin (2015-01-10, $Rev: 29507 (2015-11-29) $): Color picker, packaged for use in TWiki forms and TWiki applications 
-  CommentPlugin (2015-01-10, $Rev: 28648 (2015-11-29) $): Quickly post comments to a page without an edit/preview/save cycle 
-  DatePickerPlugin (2015-01-10, $Rev: 29510 (2015-11-29) $): Pop-up calendar with date picker, for use in TWiki forms, HTML forms and TWiki plugins 
-  EditTablePlugin (2015-01-10, $Rev: 29516 (2015-11-29) $): Edit TWiki tables using edit fields, date pickers and drop down boxes 
-  HeadlinesPlugin (2015-11-06, $Rev: 29650 (2015-11-29) $): Show headline news in TWiki pages based on RSS and ATOM news feeds from external sites 
-  InterwikiPlugin (2015-06-18, $Rev: 29526 (2015-11-29) $): Write ExternalSite:Pageto link to a page on an external site based on aliases defined in a rules topic
-  JQueryPlugin (2015-01-10, $Rev: 29532 (2015-11-29) $): jQuery JavaScript library for TWiki 
-  PreferencesPlugin (2015-01-14, $Rev: 29550 (2015-11-29) $): Allows editing of preferences using fields predefined in a form 
-  SetGetPlugin (2015-07-09, $Rev: 29564 (2015-11-29) $): Set and get variables and JSON objects in topics, optionally persistently across topic views 
-  SlideShowPlugin (2015-01-14, $Rev: 29566 (2015-11-29) $): Create web based presentations based on topics with headings. 
-  SmiliesPlugin (2015-02-16, $Rev: 29568 (2015-11-29) $): Render smilies as icons, like  :-) as or or :eek: as  
-  TWikiNetSkinPlugin: (disabled) 
-  TablePlugin (2015-02-16, $Rev: 29580 (2015-11-29) $): Control attributes of tables and sorting of table columns 
-  TagMePlugin (2015-02-16, $Rev: 29582 (2015-11-29) $): Tag wiki content collectively or authoritatively to find content by keywords 
-  TinyMCEPlugin (2015-02-16, $Rev: 29584 (2015-11-29) $): Integration of the Tiny MCE WYSIWYG Editor 
-  TwistyPlugin (2015-04-28, $Rev: 29600 (2015-11-29) $): Twisty section JavaScript library to open/close content dynamically 
-  WatchlistPlugin (2015-01-15, $Rev: 28820 (2015-11-29) $): Watch topics of interest and get notified of changes by e-mail 
-  WysiwygPlugin (2015-02-16, $Rev: 29604 (2015-11-29) $): Translator framework for WYSIWYG editors 
Administrators can enable and disable plugins using 
 configure
 configure.
 All Contrib Modules 
This list includs Plugins, some some of which may be disabed in configure, or due to other reasons.
See 
TWikiSkinBrowser for an overview of the installed Skins.
  
 Plugin Diagnostics 
| Handler | Plugins | 
|---|
| afterEditHandler | WysiwygPlugin | 
| afterRenameHandler | TagMePlugin WatchlistPlugin
 | 
| afterSaveHandler | TagMePlugin WatchlistPlugin
 | 
| beforeCommonTagsHandler | EditTablePlugin PreferencesPlugin
 TwistyPlugin
 WysiwygPlugin
 | 
| beforeEditHandler | TinyMCEPlugin WysiwygPlugin
 | 
| beforeMergeHandler | WysiwygPlugin | 
| beforeSaveHandler | CommentPlugin WatchlistPlugin
 WysiwygPlugin
 | 
| commonTagsHandler | SpreadSheetPlugin BackupRestorePlugin
 CommentPlugin
 EditTablePlugin
 JQueryPlugin
 SlideShowPlugin
 SmiliesPlugin
 | 
| initPlugin | SpreadSheetPlugin BackupRestorePlugin
 ColorPickerPlugin
 CommentPlugin
 DatePickerPlugin
 EditTablePlugin
 HeadlinesPlugin
 InterwikiPlugin
 JQueryPlugin
 PreferencesPlugin
 SetGetPlugin
 SlideShowPlugin
 SmiliesPlugin
 TablePlugin
 TagMePlugin
 TinyMCEPlugin
 TwistyPlugin
 WatchlistPlugin
 WysiwygPlugin
 | 
| modifyHeaderHandler | WysiwygPlugin | 
| postRenderingHandler | PreferencesPlugin WysiwygPlugin
 | 
| preRenderingHandler | InterwikiPlugin SmiliesPlugin
 TablePlugin
 | 
20 plugins
Note: The diagnostics are provided by the 
%FAILEDPLUGINS% variable
Related Topics: TWikiPlugins, 
TWikiPreferences, 
AdminDocumentationCategory, 
AdminToolsCategory, 
TWikiSkinBrowser