Roadkill vs. Instiki vs. MediaWiki vs. XWiki vs. GWiki

General Features Roadkill Instiki MediaWiki XWiki GWiki
Version
1.6
0.30.0
1.32.2
16.3.0
2.4.0
Last Release Date
27/04/2013
2019-02-28 (5 years ago)
2019-06-05 (4 years ago)
2024-04-29 (5 days ago)
2018-06-14 (5 years ago)
Last Update here
2013-04-25 (11 years ago)
2019-03-04 (5 years ago)
2019-06-21 (4 years ago)
2024-04-30 (4 days ago)
2018-10-16 (5 years ago)
Author
C.Small
David Heinemeier Hansson, Jacques Distler, Matthias Tarasiewicz
Magnus Manske, Brion Vibber, Lee Daniel Crocker, Tim Starling, Erik Möller, and others.
XWiki Development Team
Roger Rene Kommer
URL
Free and Open Source
Yes
Yes
Yes
Yes
Yes
License
MS-PL
Ruby's
GPL
LGPL + Free hosting on https://myxwiki.org for individuals/non profit
Apache License, Version 2.0
Programming Language
C#
Ruby on Rails
PHP
Java
Java
Data Storage
Database
Database
Database
Database, RCS
Database, Files
License Cost/ Fee
0
0
0
0
Free
Development status
Mature
Mature
Mature
Mature
Mature
Intended Audience
Small-mid sized teams, website wikis
general, education
End Users/Desktop, Education
Enterprise, Workgroups, Developers
User, Developer, Enterprise, Workgroups
Hosting Features Roadkill Instiki MediaWiki XWiki GWiki
Storage Quota
N/A
N/A
N/A
N/A
Bandwidth Quota
N/A
N/A
N/A
N/A
Other Limits
N/A
N/A
N/A
N/A
Topic Restrictions
N/A
N/A
N/A
N/A
Corporate Branding
N/A
N/A
N/A
Yes
N/A
Own Domain
N/A
N/A
N/A
Yes
N/A
Ads allowed
N/A
N/A
N/A
No
N/A
System Requirements Roadkill Instiki MediaWiki XWiki GWiki
Operating System
Windows Server, Ubuntu
UNIX, Windows, MacOS X
*nix, Windows, Mac OS X
Any platform supporting Java 11 or greater
Windows, Mac OS X, Linux (All Java Plattforms)
Root Access
Yes
No
No
No
No
Webserver
IIS, Apache
Thin (included), or Apache/NGinx (via Passenger)
Any with PHP support
Servlet 3.1+
All Java Servlet Container, included
Other Requirements
mono and mod_mono on Ubuntu
Ruby 2.0-2.6
none
Java 11, MySQL/MariaDB/PostgreSQL/HSQLDB/etc (JDBC Driver required)
Java 1.8+
Datastorage Roadkill Instiki MediaWiki XWiki GWiki
Text Files
Patch
No
No
No
Yes
MySQL
Yes
Yes
Yes
Yes
Yes
PostgreSQL
Yes
Yes
Yes
Yes
Yes
Oracle
Yes
Plugin
Yes
Yes
Yes
SQLite
Yes
Yes
Yes
No
No
BerkeleyDB
No
No
No
No
No
RCS
No
No
No
Plugin
Plugin
Other
SQL Server, MongoDB
Any Rails-compatible back-end datastore can be used.
No
JDBC Databases and in general any database supported by Hibernate; any custom implementation, as the storage is pluggable. Attachments can be saved on the filesystem
Google Datastore
Security/Anti-Spam Roadkill Instiki MediaWiki XWiki GWiki
Page Permissions
Yes
Yes
Yes
Yes
Yes
ACL
Yes
No
No
Yes
Yes
Authentication Backends
Database, Active Directory, custom if needed
Yes
XWiki, LDAP, custom (Open API), Kerberos, NTLM, Headers, PUMA, SAML, Trusted LDAP, Sun SSO
Internal and external with adapter
Host Blocking
No
Yes
Yes
No
No
Mail Encryption
No
Unknown
Plugin
Yes
No
nofollow
No
Unknown
Optional
No
Optional
Blacklist
No
Yes
Yes
Plugin
No
CAPTCHA
Optional
Unknown
Plugin
Yes
Yes
Delayed Indexing
No
Unknown
No
Yes
No
Development/Support Roadkill Instiki MediaWiki XWiki GWiki
# of Consultants
Preconfigured Hosting
No
No
Yes
Yes
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
N/A
478 ⭐
N/A
N/A
4 ⭐
Common Features Roadkill Instiki MediaWiki XWiki GWiki
Preview
Yes
No
Yes
Yes
Yes
Minor Changes
No
Yes
Yes
Yes
Yes
Change Summary
No
No
Yes
Yes
Yes
Page History
Yes
Yes
Yes
Yes
Yes
Page Revisions
Unlimited
Unlimited
Unlimited
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Between all
Between all
Sitemap
Yes
Yes
Yes
Yes
Yes
Plugin System
No
No
Yes
Yes
Yes
Special Features Roadkill Instiki MediaWiki XWiki GWiki
Unicode Support
Yes
Yes
Yes
Yes
Yes
Right-to-Left Support
No
Yes
Yes
No
Optional
Interface Languages
3
Czech, English, Polish
1
English
140
Afar, Abkhazian, Afrikaans, Amharic, Arabic, Assamese, Aymara, Azerbaijani, Bashkir, Byelorussian, Bulgarian, Bihari, Bislama, Bengali; Bangla, Tibetan, Breton, Catalan, Corsican, Czech, Welsh, Danish, German, Bhutani, Greek, English, Esperanto, Spanish, Estonian, Basque, Persian, Finnish, Fiji, Faroese, French, Frisian, Irish, Scots Gaelic, Galician, Guarani, Gujarati, Hausa, Hebrew, Hindi, Croatian, Hungarian, Armenian, Interlingua, Indonesian, Interlingue, Inupiak, Icelandic, Italian, Inuktitut, Japanese, Georgian, Kazakh, Greenlandic, Cambodian, Kannada, Korean, Kashmiri, Kurdish, Kirghiz, Latin, Lingala, Laothian, Lithuanian, Latvian, Lettish, Malagasy, Maori, Macedonian, Malayalam, Mongolian, Moldavian, Marathi, Malay, Maltese, Burmese, Nauru, Nepali, Dutch, Norwegian, Occitan, Oromo, Oriya, Punjabi, Polish, Pashto, Pushto, Portuguese, Brazilian Portuguese, Quechua, Rhaeto-Romance, Kirundi, Romanian, Russian, Kinyarwanda, Sanskrit, Sindhi, Sangho, Serbo-Croatian, Sinhalese, Slovak, Slovenian, Samoan, Shona, Somali, Albanian, Serbian, Siswati, Sesotho, Sundanese, Swedish, Swahili, Tamil, Telugu, Tajik, Thai, Tigrinya, Turkmen, Tagalog, Setswana, Tonga, Turkish, Tsonga, Tatar, Twi, Uighur, Ukrainian, Urdu, Uzbek, Vietnamese, Volapuk, Wolof, Xhosa, Yiddish, Yoruba, Zhuang, Chinese, Chinese Traditional, Zulu
40
Bulgarian, Catalan, Czech, Danish, German, Greek, English, Spanish, Persian, French, Galician, Hindi, Croatian, Hungarian, Indonesian, Italian, Japanese, Cambodian, Kannada, Korean, Lithuanian, Latvian, Lettish, Marathi, Dutch, Norwegian, Polish, Portuguese, Brazilian Portuguese, Romanian, Russian, Sinhalese, Slovak, Slovenian, Swedish, Turkish, Uighur, Ukrainian, Vietnamese, Chinese, Chinese Traditional
2
German, English
Email notification
No
No
Optional
Yes
Yes
Comments
No
No
Discussion Pages
Threaded
Threaded
Categories
Yes
Yes
Yes
Yes
Yes
Namespaces
No
No
Yes
Yes
Yes
Conflict Handling
None
Page Locking
Conflict Resolution
Conflict Resolution
Conflict Resolution
Concurrent Editing
Unknown
Unknown
Unknown
Plugin
No
Search
Full Text
Full Text
Full Text
Full Text
Full Text
Wiki Farming
No
Yes
Plugin
Yes
Yes
Structured Data
No
No
Plugin
Yes
Yes
Links Roadkill Instiki MediaWiki XWiki GWiki
CamelCase
No
Optional
No
Yes
Plugin
Freelinks
Yes
Yes
Yes
Yes
Yes
Backlinks
Plugin
Yes
Yes
Yes
Yes
InterWiki
No
Yes
Yes
Yes
No
SisterWiki
No
No
No
Yes
No
Image Links
Yes
Yes
Yes
Yes
Yes
Windows Shares
Yes
No
No
Yes
No
Page Redirects
No
Yes
Yes
Yes
Yes
Syntax Features Roadkill Instiki MediaWiki XWiki GWiki
HTML Tags
Some
All
Some
All
All
Math formulas
Plugin
Yes
Yes
Yes
No
Tables
simple
simple + complex
simple + complex
simple + complex
simple + complex
CREOLE support
Yes
No
No
Yes
No
Markdown Support
Yes
Yes
No
Yes
No
Textile Support
No
Yes
No
No
Yes
BBCode Support
No
No
No
No
No
Emoticon Images
No
No
Optional
Yes
No
Syntax Highlighting
No
Yes
Plugin
Yes
Yes
Footnotes
No
Yes
Yes
Yes
No
Quoting
No
Yes
No
Yes
Yes
Internal Comments
No
Yes
Yes
Yes
Yes
Custom styles
Yes
Yes
Yes
Yes
Yes
FAQ Tags
No
No
No
Plugin
No
Scripting
none
None
Optional
velocity, groovy, ruby, jython, generic JSR223 & very powerful API
Groovy, Macros, JSP-Taglibs
Content Includes
No
Yes
Yes
Yes
Yes
Feed Aggregation
No
No
Plugin
Yes
Plugin
Usability Roadkill Instiki MediaWiki XWiki GWiki
Section Editing
No
No
Yes
Yes
Plugin
Page Templates
No
No
Yes
Yes
Yes
Double-Click Edit
No
No
Optional
No
No
Toolbar
Yes
No
Yes
Yes
Yes
WYSIWYG Editing
No
No
Plugin
Yes
Yes
Access Keys
Yes
Yes
Yes
Yes
Yes
Auto Signature
No
Yes
Yes
No
Plugin
Statistics Roadkill Instiki MediaWiki XWiki GWiki
Recent Changes
No
Yes
Yes
Yes
Yes
Wanted Pages
No
Yes
Yes
Yes
Yes
Orphaned Pages
No
Yes
Yes
Yes
Yes
Most/Least Popular
No
No
Yes
Yes
Yes
Recent Visitors
No
No
Plugin
Yes
No
Analysis
No
No
Optional
Yes
No
Output Roadkill Instiki MediaWiki XWiki GWiki
Printer Friendly
Print View
Print View
Print CSS
Print CSS
Print CSS
Mobile Friendly
Yes
Yes
No
Yes
Optional
Themes & Skins
Yes
No
Yes
Yes
Yes
RSS Feeds
No
No
Yes
Yes
Yes
ATOM Feeds
No
Yes
Yes
Optional
Yes
Abbreviations
No
Yes
No
Plugin
Plugin
Auto-TOC
Yes
Yes
Yes
Optional
Yes
Raw Export
Yes
Yes
Yes
Yes
Yes
HTML Export
Yes
Yes
Yes
Yes
Yes
XML export
Yes
No
Yes
Yes
No
PDF Export
No
No
Plugin
Yes
No
Office Export
Unknown
Unknown
Unknown
Yes
No
Media and Files Roadkill Instiki MediaWiki XWiki GWiki
File Attachments
Yes
Yes
Yes
Yes
Yes
Media Revisions
No
No
Yes
Yes
Yes
Embedded Flash
Plugin
No
Plugin
Yes
Yes
Embedded Video
Yes
Yes
Plugin
Yes
Yes
Image Editing
No
No
No
Plugin
No
SVG Editing
No
Yes
No
Plugin
No
MindMap Editing
No
No
Plugin
Plugin
No
Media Search
No
No
Keywords
Contents
Contents
Extras Roadkill Instiki MediaWiki XWiki GWiki
Calendar
No
No
Plugin
Plugin
Plugin
Image Galleries
No
No
Yes
Yes
Yes
Presentations
Unknown
Unknown
Unknown
Plugin
Plugin
Forums
No
No
Plugin
Plugin
Plugin
Blogs
No
No
No
Plugin
Plugin
Ticket System
No
No
No
Plugin
No
Chat
Unknown
Unknown
Unknown
Plugin
No
Syntax Examples Roadkill Instiki MediaWiki XWiki GWiki
Internal Link
[[Pagename|linkname]]
[[Some Page]]
[[Some Page|anchor text]]
[[Some Page#anchor]]
[[Some Page#anchor|anchor text]]
[[a link]]
[[a link|with title]]
XWiki supports 16+ input syntaxes (e.g. confluence, twiki, docbook, mediawiki, xwiki, markdown, etc), see http://rendering.xwiki.org/xwiki/bin/view/Main/WebHome#HSupportedSyntaxes for details.

The syntax documented below is XWiki Syntax 2.1 (http://platform.xwiki.org/xwiki/bin/view/Main/XWikiSyntax).

[[wiki syntax here>>Space.Page]]
[[Space.Page]]
(Space is optional and is the current space if not specified)
[path/Page]
[My Title|path/Page]
External Link
[[URL|linkname]]
[another site](http://example.com)
[http://example.org The title]
[[wiki syntax here>>http://www.xwiki.com]]
http://www.xwiki.com
[http://example.com]
Headlines
== Large heading
#Level 1#
##Level 2##
###Level 3###
####Level 4####
#####Level 5#####
######Level 6######
==Section==
===Subsection===
====Sub-subsection====
= Headline
== Subheadline
=== Sub-subheadline
==== etc..
h1. Heading 1
h2. Heading 2
Bold Format
** bold **
**bold**
'''bold'''
**bold**
*Bold Format*
Italics Format
//italics//
_italic_, *italic*
''italic''
//Italics//
_Italic format_
Underline Format
_underline_
underlined
{: style='text-decoration:underlined'}
<u>underlined</u>
__underline__
+Unterlined+
Monospace Format
{{

monospace

}}
`monospace`
<tt>monospace</tt>
##monospace##
{{Monospace}}
Strikethrough Format
<del>strikethrough</del>
strikethrough
{: style='text-decoration:line-through'}
<s>strikethrough</s>
--Strike--
-StrikeThrough-
Superscript Format
<sup>superscript</sup>
<sup>superscript</sup>
^^superscript^^
^Superscript^
Subscript Format
<sub>subscript</sub>
<sub>subscript</sub>
,,subscript,,
~Subscript~
Images
{{Image.jpg.|title}}
![alt text](http://ex.com/image.jpg),
[[image.jpg|alt text:pic]]
[[Image:wiki.png]]
image:img.png
image:Space.Page@img.png
[[image:img.png||width="25" height="25"]]
image:http://some/url/img.png

Starting with the xwiki/2.1 syntax, also:
image:icon:cancel
!path/SkinSampleGWiki.png!
Aligning Text
p{: style='text-align:left'}
p{: style='text-align:right'}
p{: style='text-align:center'}
p{: style='text-align:justify'}
<center>Centered</center>
(% style="... css here..." %)Text
{div:style=...}
Aligned Text
{div}
Text Indentation
p
{: style='margin-left:3em'}

> blockquote
: indented line
Non-semantic text indentation through styling:

(% style="... css here..." %)multi line text

Quotes:

> This is a quoted text
{div:style=...}
Aligned Text
{div}
Bulleted Lists
* Bullet List
** Sub item
* Item 1
** Item 1.1
* Item 2
* Item 1
** Item 1.2
* Item 2
* List
** list
*** list
- Item 1
- Item 2
-- Sub Item
Numbered Lists
# Numbered list
## Sub item
1. Item 1
1. Item 1.1
2. Item 2
# Item 1
## Item 1.2
# Item 2
1. Item 1
11. Item 2
111. Item 3
1. Item 4
# Item 1
# Item 2
## Sub Item
Definition Lists
term
: definition
; term : definition
; term
: definition
* Item 1
* Item 2
** Sub Item
Horizontal Rule
----
***
----
----
----
remove Roadkill remove Instiki remove MediaWiki remove XWiki remove GWiki