BlueSpice

What can this extension do?
The software of Wikipedia becomes an enterprise solution. Blue spice offers a range of improvements in the areas of usability, administration, organisation of information, extensibility and personalization. In the basic version you are able to edit tables via WYSIWYG-editor, dialogues simplify the integration of links, categories, pictures and files. Thanks to the user administration and the wiki-preferences the administration of the wiki is quickly done. Via a newsblog you keep your colleagues up-to-date.

BlueSpice

 * Blog: Wiki or Blog? Why not both? The internal blog function combines the advantages of both Wiki and Blog.
 * Number of threads: Is there a discussion about the article and is it highly frequented? That’s what you can see at the tab “discussion” because the number of edits is shown.
 * ArticleInfo: Is the last editing up-to-date? Who’s responsible? And what categories are dedicated? ArticleInfo shows you the relevant information. If you want to know more detailed, just look inside there you find a summary of recent changes.
 * Authors: Get an idea of the authors. Below the article you find the authors'pictures.
 * ResponsibleEditors: Define responsible editors to review and sign off individual artickes and whole books.
 * Review: Set up editing and sign-off routines using workflows.
 * UserAdministration: User, permissions, passwords - the admin rules the users.
 * Group Manager: Looking for an easy way to control users‘ access rights? Our Group Manager allows you to set up a finely tuned rights structure.
 * PermissionManager: Here you can delegate special rights to groups.
 * NamespaceManager: Define areas with specific writing or reading rights.
 * UserPreferences: Fit your Wiki - every user can change his array.
 * Settings: Some settings apply to everybody. Only the admin can change it.
 * ExtendedStatistics: Illustrate activities in the Wiki with diagrams.
 * Extensioninformation: Want to know what functions are integrated in blue spice? As an admin you can have a look at Extentioninformation.
 * Wanted article: Want to have an article about a special theme? Let others know that there is a requirement.
 * InsertFile, InsertCategory, InsertLink, InsertImage: Want to integrate files, categories, images or links in the article? There are some intuitive dialogue windows that help you.
 * PageTemplates: Content of new sites can be structured before writing which is helpful for product descriptions or customer information.
 * Recent changes: There you can see the articles that have been edited recently.
 * PagesVisited: You visited a page and want to see it again? PagesVisited lists the pages you have visited recently.
 * UserSidebar: You focus on specific pages? You can link them in the navigation. With BlueSpice you can compile a navigation in a personal sidebar.
 * Shoutbox: Use the shoutbox to comment on articles
 * Skin: Neat and functional - the new skin facilitates functionality.
 * Who is online: Now you know who’s online in the Wiki.
 * StatusBar: Display s the status of the page.
 * Infobox: Get notified when changes are made on pages, in categories or in namespaces.
 * MailChanges: Subscribe to change notifications via email.
 * RSSFeeder: Subscribe to changes in sites, categories, namespaces or recent changes.
 * RSS Standards
 * Widgets: Behind the star you find tools, recent changes, Who’s online, etc. Point-and-Click the you can show or hide functions.
 * WYSIWYG-Editor: With this editor you can easily edit articles. It’s similar to a text prosessing program, so you don’t need wiki code.
 * ExtendedEditBar: Frequently used functions are easily accessible and speed up work with the WYSIWYG editor.
 * FormattingHelp: Description oft the most important Wiki codes for beginners.
 * SaferEdit: Buffer storage to retrieve content in case of browser crashes.
 * InterWikiLinks: You can insert short names for links to other Wikis or URLS.
 * Emoticons: certain signs become Icons :-)
 * SecureFileStore

MediaWiki

 * categoryTree: It provides a dynamic view of the wiki's category structure (main catgeories and sub-categories) as a tree.
 * ImageMap: One image, many links. You can hyperlink areas of the image to multiple destinations
 * InputBox: Users can "complete" a form (entering text, selecting menu items, etc.) by entering text into the box.
 * Lockdown: Allows to restrict access to specific namespaces and special pages to a given set of user groups.
 * Nuke: There is somebody who create some spampages? Nuke makes it possible for sysops to mass delete pages
 * ParserFunctions: enhances parser with logical functions makes a text a separate paragraph, with < br / > after every line, i.e., it suppresses reformatting of a single newline to a blank space.
 * Create your own Quiz.
 * SyntaxHighlight_GeSHi: This extension adds the tag to present formatted source code.
 * Poem: Inserts automatic line breaks in poems, using MediaWiki’s Poems analytics.
 * LDAP Authentification:Central Authentification. Connect MediaWiki to Active Directory.
 * Cite: Use footnotes to describe further details.

BlueSpice basic
Features all of the above

Here's its installation manual.

BlueSpice fully featured
Features all of the above plus:
 * Extended Search: Full-text search in articles and files via Lucene-powered Solr
 * PDF Export: Export articles as PDFs

Here's its installation manual.