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 (2018-07-05, $Rev: 30478 (2018-07-16) $): Add spreadsheet calculation like "$SUM( $ABOVE() )"to TWiki tables or anywhere in topic text
-  BackupRestorePlugin (2018-07-10, $Rev: 30551 (2018-07-16) $): Administrator utility to backup, restore and upgrade a TWiki site 
-  ColorPickerPlugin (2018-07-05, $Rev: 30442 (2018-07-16) $): Color picker, packaged for use in TWiki forms and TWiki applications 
-  CommentPlugin (2018-07-05, $Rev: 30530 (2018-07-16) $): Quickly post comments to a page without an edit/preview/save cycle 
-  DBIQueryPlugin (2011-03-13, $Rev: 20722 (2011-05-10) $): Make complex database queries using DBI Perl module 
-  DatePickerPlugin (2018-07-05, $Rev: 30446 (2018-07-16) $): Pop-up calendar with date picker, for use in TWiki forms, HTML forms and TWiki plugins 
-  EditTablePlugin (2018-07-05, $Rev: 30448 (2018-07-16) $): Edit TWiki tables using edit fields, date pickers and drop down boxes 
-  HeadlinesPlugin (2018-07-13, $Rev: 30560 (2018-07-16) $): Show headline news in TWiki pages based on RSS and ATOM news feeds from external sites 
-  InterwikiPlugin (2018-07-05, $Rev: 30454 (2018-07-16) $): Write ExternalSite:Pageto link to a page on an external site based on aliases defined in a rules topic
-  JQueryPlugin (2018-07-05, $Rev: 30456 (2018-07-16) $): jQuery JavaScript library for TWiki 
-  PreferencesPlugin (2018-07-05, $Rev: 30528 (2018-07-16) $): Allows editing of preferences using fields predefined in a form 
-  SetGetPlugin (2018-07-05, $Rev: 30472 (2018-07-16) $): Set and get variables and JSON objects in topics, optionally persistently across topic views 
-  SlideShowPlugin (2018-07-05, $Rev: 30474 (2018-07-16) $): Create web based presentations based on topics with headings. 
-  SmiliesPlugin (2018-07-05, $Rev: 30476 (2018-07-16) $): Render smilies as icons, like  :-) as or or :eek: as  
-  TWikiSheetPlugin (2018-07-15, $Rev: 30604 (2018-07-16) $): Add TWiki Sheet spreadsheet functionality to TWiki tables 
-  TablePlugin (2018-07-05, $Rev: 30480 (2018-07-16) $): Control attributes of tables and sorting of table columns 
-  TagMePlugin (2018-07-05, $Rev: 30482 (2018-07-16) $): Tag wiki content collectively or authoritatively to find content by keywords 
-  TinyMCEPlugin (2018-07-10, $Rev: 30541 (2018-07-16) $): Integration of the Tiny MCE WYSIWYG Editor 
-  TwistyPlugin (2018-07-06, $Rev: 30497 (2018-07-16) $): Twisty section JavaScript library to open/close content dynamically 
-  WatchlistPlugin (2018-07-10, $Rev: 30536 (2018-07-16) $): Watch topics of interest and get notified of changes by e-mail 
-  WysiwygPlugin (2018-07-06, $Rev: 30528 (2018-07-16) $): Translator framework for WYSIWYG editors 
Administrators can enable and disable plugins using 
 configure
 configure.
 Contrib Modules 
  
 Plugin Diagnostics 
| Handler | Plugins | 
|---|
| afterEditHandler | WysiwygPlugin | 
| afterRenameHandler | TagMePlugin WatchlistPlugin
 | 
| afterSaveHandler | TagMePlugin WatchlistPlugin
 | 
| beforeCommonTagsHandler | DBIQueryPlugin EditTablePlugin
 PreferencesPlugin
 TWikiSheetPlugin
 TwistyPlugin
 WysiwygPlugin
 | 
| beforeEditHandler | TinyMCEPlugin WysiwygPlugin
 | 
| beforeMergeHandler | WysiwygPlugin | 
| beforeSaveHandler | CommentPlugin WatchlistPlugin
 WysiwygPlugin
 | 
| commonTagsHandler | SpreadSheetPlugin BackupRestorePlugin
 CommentPlugin
 DBIQueryPlugin
 EditTablePlugin
 JQueryPlugin
 SlideShowPlugin
 SmiliesPlugin
 TWikiSheetPlugin
 | 
| initPlugin | SpreadSheetPlugin BackupRestorePlugin
 ColorPickerPlugin
 CommentPlugin
 DBIQueryPlugin
 DatePickerPlugin
 EditTablePlugin
 HeadlinesPlugin
 InterwikiPlugin
 JQueryPlugin
 PreferencesPlugin
 SetGetPlugin
 SlideShowPlugin
 SmiliesPlugin
 TWikiSheetPlugin
 TablePlugin
 TagMePlugin
 TinyMCEPlugin
 TwistyPlugin
 WatchlistPlugin
 WysiwygPlugin
 | 
| modifyHeaderHandler | WysiwygPlugin | 
| postRenderingHandler | DBIQueryPlugin PreferencesPlugin
 WysiwygPlugin
 | 
| preRenderingHandler | InterwikiPlugin SmiliesPlugin
 TablePlugin
 | 
21 plugins
Note: The diagnostics are provided by the 
%FAILEDPLUGINS% variable
Related Topics: TWikiPlugins, 
TWikiPreferences, 
AdminDocumentationCategory, 
AdminToolsCategory