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
.
 Plugins Currently Installed and Enabled 
-  SpreadSheetPlugin (2013-10-10, $Rev: 26482 (2013-10-14) $): Add spreadsheet calculation like "$SUM( $ABOVE() )"to TWiki tables or anywhere in topic text
-  BackupRestorePlugin (2013-02-16, $Rev: 25103 (2013-02-16) $): Administrator utility to backup, restore and upgrade a TWiki site 
-  BibliographyPlugin (2011-03-09, $Rev: 20645 (2011-03-09) $): Cite bibliography in one topic and get an automatically created references list 
-  ColorPickerPlugin (2013-02-15, $Rev: 25074 (2013-10-14) $): Color picker, packaged for use in TWiki forms and TWiki applications 
-  CommentPlugin (2013-02-10, $Rev: 24977 (2013-10-14) $): Quickly post comments to a page without an edit/preview/save cycle 
-  DatePickerPlugin (2013-09-04, $Rev: 26272 (2013-10-14) $): Pop-up calendar with date picker, for use in TWiki forms, HTML forms and TWiki plugins 
-  EditTablePlugin (2013-01-13, $Rev: 25108 (2013-10-14) $): Edit TWiki tables using edit fields, date pickers and drop down boxes 
-  HeadlinesPlugin (2013-02-16, $Rev: 25104 (2013-10-14) $): Show headline news in TWiki pages based on RSS and ATOM news feeds from external sites 
-  HttpsRedirectPlugin (2011-01-21, $Rev: 20293 (2011-01-21) $): Redirect authenticated users to HTTPS url. 
-  InterwikiPlugin (2013-02-12, $Rev: 25126 (2013-02-22) $): Text ExternalSite:Pagelinks to a page on an external site based on aliases defined in a rules topic
-  JQueryPlugin (2013-09-28, $Rev: 26439 (2013-09-28) $): jQuery JavaScript library for TWiki 
-  LdapNgPlugin (2013-02-01, $Rev: 27182 (2014-03-25) $): Query and display data from an LDAP directory 
-  PreferencesPlugin (2013-09-08, $Rev: 26286 (2013-10-14) $): Allows editing of preferences using fields predefined in a form 
-  SetGetPlugin (2013-01-28, $Rev: 24822 (2013-10-14) $): Set and get variables in topics, optionally persistently across topic views 
-  SlideShowPlugin (2013-04-07, $Rev: 25715 (2013-10-14) $): Create web based presentations based on topics with headings. 
-  SmiliesPlugin (2013-01-13, $Rev: 24784 (2013-10-14) $): Render smilies as icons, like  :-) as or or :eek: as  
-  TablePlugin (2013-09-25, $Rev: 26425 (2013-10-14) $): Control attributes of tables and sorting of table columns 
-  TagMePlugin (2013-03-12, $Rev: 25778 (2013-10-14) $): Tag wiki content collectively to find content by keywords 
-  TinyMCEPlugin (2013-09-18, $Rev: 26397 (2013-10-08) $): Integration of the Tiny MCE WYSIWYG Editor 
-  TwistyPlugin (2013-03-22, $Rev: 25508 (2013-10-14) $): Twisty section JavaScript library to open/close content dynamically 
-  WysiwygPlugin (2013-09-18, $Rev: 26391 (2013-10-14) $): Translator framework for WYSIWYG editors 

 Administrators can install plugins, enable/disable plugins, and change the plugin evaluation order using 
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 | 
| afterSaveHandler | TagMePlugin | 
| beforeCommonTagsHandler | EditTablePlugin PreferencesPlugin
 TwistyPlugin
 WysiwygPlugin
 | 
| beforeEditHandler | TinyMCEPlugin WysiwygPlugin
 | 
| beforeMergeHandler | WysiwygPlugin | 
| beforeSaveHandler | CommentPlugin WysiwygPlugin
 | 
| commonTagsHandler | SpreadSheetPlugin BackupRestorePlugin
 CommentPlugin
 EditTablePlugin
 HeadlinesPlugin
 JQueryPlugin
 SlideShowPlugin
 SmiliesPlugin
 | 
| initPlugin | SpreadSheetPlugin BackupRestorePlugin
 BibliographyPlugin
 ColorPickerPlugin
 CommentPlugin
 DatePickerPlugin
 EditTablePlugin
 HeadlinesPlugin
 HttpsRedirectPlugin
 InterwikiPlugin
 JQueryPlugin
 LdapNgPlugin
 PreferencesPlugin
 SetGetPlugin
 SlideShowPlugin
 SmiliesPlugin
 TablePlugin
 TagMePlugin
 TinyMCEPlugin
 TwistyPlugin
 WysiwygPlugin
 | 
| modifyHeaderHandler | WysiwygPlugin | 
| postRenderingHandler | EditTablePlugin PreferencesPlugin
 WysiwygPlugin
 | 
| preRenderingHandler | BibliographyPlugin InterwikiPlugin
 SmiliesPlugin
 TablePlugin
 | 
21 plugins
Note: The diagnostics are provided by the 
%FAILEDPLUGINS% variable
Related Topics: TWikiPlugins, 
TWikiPreferences, 
AdminDocumentationCategory, 
AdminToolsCategory, 
TWikiSkinBrowser