| General Features | ErfurtWiki | DokuWiki | Instiki | WikkaWiki |
|---|---|---|---|---|
| Version |
R1.02b (kind of final release :-)
|
2025-05-14b "Librarian"
|
0.30.0
|
1.4.2
|
| Last Release Date |
2005-06-16 (21 years ago)
|
2025-09-09 (11 months ago)
|
2019-03-01 (7 years ago)
|
2020-04-20 (6 years ago)
|
| Last Update here |
2010-04-04 (16 years ago)
|
2026-03-25 (5 months ago)
|
2019-03-04 (7 years ago)
|
2020-04-20 (6 years ago)
|
| Author |
Mario Salzer & Andi Fundinger
|
Andreas Gohr
|
David Heinemeier Hansson, Jacques Distler, Matthias Tarasiewicz
|
Wikka Development Team
|
| URL | ||||
| Free and Open Source |
Yes
|
Yes
|
Yes
|
Yes
|
| License |
Public Domain (!)
|
GPL 2
|
Ruby's
|
GPL
|
| Programming Language |
PHP
|
PHP
|
Ruby on Rails
|
PHP
|
| Data Storage |
Database, Files, RCS
|
Files
|
Database
|
Database
|
| License Cost/ Fee |
0
|
0
|
0
|
0
|
| Development status |
Mature
|
Mature
|
Mature
|
Mature
|
| Intended Audience |
small + medium sites, development teams
|
personal, small to medium companies
|
general, education
|
Individual users (PIM/website backend), development teams (software documentation/knowledge base), organizations and companies (intranet/public website backend)
|
| System Requirements | ErfurtWiki | DokuWiki | Instiki | WikkaWiki |
| Operating System |
any
|
Linux, UNIX, Windows, MacOS X, probably others
|
UNIX, Windows, MacOS X
|
any (platform-independent)
|
| Root Access |
No
|
No
|
No
|
No
|
| Webserver |
anything with PHP support
|
Apache, IIS, Nginx, Lighttpd, anything with PHP support
|
Thin (included), or Apache/NGinx (via Passenger)
|
any server with PHP/MySQL support
|
| Other Requirements |
none
|
Ruby 2.0-2.6
|
mod_rewrite (optional)
|
|
| Datastorage | ErfurtWiki | DokuWiki | Instiki | WikkaWiki |
| Text Files |
Plugin
|
Yes
|
No
|
No
|
| MySQL |
Plugin
|
No
|
Yes
|
Yes
|
| PostgreSQL |
Plugin
|
No
|
Yes
|
No
|
| Oracle |
No
|
No
|
Plugin
|
No
|
| SQLite |
Plugin
|
No
|
Yes
|
Yes
|
| BerkeleyDB |
Plugin
|
No
|
No
|
No
|
| RCS |
Plugin
|
No
|
No
|
No
|
| Other |
no
|
None
|
Any Rails-compatible back-end datastore can be used.
|
No
|
| Security/Anti-Spam | ErfurtWiki | DokuWiki | Instiki | WikkaWiki |
| Page Permissions |
Yes
|
Yes
|
Yes
|
Yes
|
| ACL |
Yes
|
Yes
|
No
|
Yes
|
| Authentication Backends |
UNIX, LDAP, MySQL, PHP, other
|
Textfile, LDAP, MySQL, PostgreSQL, ActiveDirectory
|
Active Directory (patch)
|
|
| Host Blocking |
Plugin
|
Plugin
|
Yes
|
Yes
|
| Mail Encryption |
Plugin
|
Optional
|
Unknown
|
No
|
| nofollow |
Plugin
|
Optional
|
Unknown
|
Yes
|
| Blacklist |
Plugin
|
Optional
|
Yes
|
Yes
|
| CAPTCHA |
Plugin
|
Plugin
|
Unknown
|
Plugin
|
| Delayed Indexing |
Patch
|
Optional
|
Unknown
|
No
|
| Development/Support | ErfurtWiki | DokuWiki | Instiki | WikkaWiki |
| # of Consultants | ||||
| Preconfigured Hosting |
No
|
Yes
|
No
|
Yes
|
| Code Repository | ||||
| Issue Tracker | ||||
| Mailing List | ||||
| Support Forum | ||||
| Chat Channel |
not yet :-)
|
|||
| Stars on GitHub |
N/A
|
4707 ⭐
|
508 ⭐
|
42 ⭐
|
| Common Features | ErfurtWiki | DokuWiki | Instiki | WikkaWiki |
| Preview |
Yes
|
Yes
|
No
|
Yes
|
| Minor Changes |
Plugin
|
Yes
|
Yes
|
No
|
| Change Summary |
Plugin
|
Yes
|
No
|
Yes
|
| Page History |
Yes
|
Yes
|
Yes
|
Yes
|
| Page Revisions |
Unlimited
|
Unlimited
|
Unlimited
|
Unlimited
|
| Revision Diffs |
Between all
|
Between all
|
Between all
|
Between all
|
| Sitemap |
Plugin
|
Yes
|
Yes
|
Yes
|
| Plugin System |
Yes
|
Yes
|
No
|
Yes
|
| Special Features | ErfurtWiki | DokuWiki | Instiki | WikkaWiki |
| Unicode Support |
No
|
Yes
|
Yes
|
Yes
|
| Right-to-Left Support |
Patch
|
Yes
|
Yes
|
Yes
|
| Interface Languages |
4
German, English, Spanish, Dutch |
68
Afrikaans, Arabic, Azerbaijani, Byelorussian, Bulgarian, Bengali; Bangla, Catalan, Czech, Welsh, Danish, German, Greek, English, Esperanto, Spanish, Estonian, Basque, Persian, Finnish, Faroese, French, Frisian, Galician, Hebrew, Hindi, Croatian, Hungarian, Interlingua, Indonesian, Icelandic, Italian, Japanese, Georgian, Kazakh, Cambodian, Kannada, Korean, Kurdish, Latin, Lithuanian, Latvian, Lettish, Malagasy, Macedonian, Malayalam, Marathi, Malay, Nepali, Dutch, Norwegian, Polish, Portuguese, Brazilian Portuguese, Romanian, Russian, Sinhalese, Slovak, Slovenian, Albanian, Serbian, Swedish, Tamil, Thai, Turkish, Ukrainian, Uzbek, Vietnamese, Chinese, Chinese Traditional |
1
English |
0
|
| Email notification |
Plugin
|
Optional
|
No
|
Patch
|
| Comments |
Plugin
|
Plugin
|
No
|
Threaded
|
| Categories |
Yes
|
Plugin
|
Yes
|
Yes
|
| Namespaces |
No
|
Yes
|
No
|
No
|
| Conflict Handling |
Page Locking
|
Page Locking
|
Page Locking
|
Page Locking
|
| Concurrent Editing |
Unknown
|
No
|
Unknown
|
Yes
|
| Search |
Full Text
|
Full Text
|
Full Text
|
Full Text
|
| Wiki Farming |
Optional
|
Plugin
|
Yes
|
No
|
| Structured Data |
No
|
Plugin
|
No
|
Plugin
|
| Links | ErfurtWiki | DokuWiki | Instiki | WikkaWiki |
| CamelCase |
Yes
|
Optional
|
Optional
|
Yes
|
| Freelinks |
Yes
|
Yes
|
Yes
|
Patch
|
| Backlinks |
Yes
|
Yes
|
Yes
|
Yes
|
| InterWiki |
Plugin
|
Yes
|
Yes
|
Yes
|
| SisterWiki |
Plugin
|
No
|
No
|
No
|
| Image Links |
Patch
|
Yes
|
Yes
|
Yes
|
| Windows Shares |
Yes
|
Yes
|
No
|
No
|
| Page Redirects |
Plugin
|
Plugin
|
Yes
|
Patch
|
| Syntax Features | ErfurtWiki | DokuWiki | Instiki | WikkaWiki |
| HTML Tags |
Plugin
|
Optional
|
All
|
Some
|
| Math formulas |
No
|
Plugin
|
Yes
|
Plugin
|
| Tables |
simple + complex
|
simple
|
simple + complex
|
simple + complex
|
| CREOLE support |
Optional
|
Plugin
|
No
|
No
|
| Markdown Support |
No
|
Plugin
|
Yes
|
No
|
| Textile Support |
No
|
Plugin
|
Yes
|
No
|
| BBCode Support |
Plugin
|
Plugin
|
No
|
No
|
| Emoticon Images |
Plugin
|
Yes
|
No
|
No
|
| Syntax Highlighting |
Plugin
|
Yes
|
Yes
|
Yes
|
| Footnotes |
Plugin
|
Yes
|
Yes
|
Plugin
|
| Quoting |
Plugin
|
Yes
|
Yes
|
Yes
|
| Internal Comments |
Yes
|
Plugin
|
Yes
|
Yes
|
| Custom styles |
Yes
|
Plugin
|
Yes
|
Yes
|
| FAQ Tags |
Yes
|
Plugin
|
No
|
No
|
| Scripting |
optional
|
Optional, PHP
|
None
|
Extensibility through drop-in plugins
|
| Content Includes |
Plugin
|
Plugin
|
Yes
|
Yes
|
| Feed Aggregation |
Plugin
|
Yes
|
No
|
Yes
|
| Usability | ErfurtWiki | DokuWiki | Instiki | WikkaWiki |
| Section Editing |
No
|
Yes
|
No
|
No
|
| Page Templates |
Yes
|
Yes
|
No
|
Yes
|
| Double-Click Edit |
Patch
|
Plugin
|
No
|
Yes
|
| Toolbar |
No
|
Yes
|
No
|
Yes
|
| WYSIWYG Editing |
No
|
Plugin
|
No
|
Plugin
|
| Access Keys |
Optional
|
Yes
|
Yes
|
Patch
|
| Auto Signature |
No
|
Yes
|
Yes
|
Patch
|
| Statistics | ErfurtWiki | DokuWiki | Instiki | WikkaWiki |
| Recent Changes |
Plugin
|
Yes
|
Yes
|
Yes
|
| Wanted Pages |
Plugin
|
Plugin
|
Yes
|
Yes
|
| Orphaned Pages |
Plugin
|
Plugin
|
Yes
|
Yes
|
| Most/Least Popular |
Plugin
|
Plugin
|
No
|
Patch
|
| Recent Visitors |
Optional
|
Plugin
|
No
|
Patch
|
| Analysis |
No
|
Plugin
|
No
|
Yes
|
| Output | ErfurtWiki | DokuWiki | Instiki | WikkaWiki |
| Printer Friendly |
Print CSS
|
Print CSS
|
Print View
|
Print CSS
|
| Mobile Friendly |
Yes
|
Yes
|
Yes
|
Unknown
|
| Themes & Skins |
Yes
|
Yes
|
No
|
Yes
|
| RSS Feeds |
Plugin
|
Yes
|
No
|
Yes
|
| ATOM Feeds |
Plugin
|
Yes
|
Yes
|
Plugin
|
| Abbreviations |
Optional
|
Yes
|
Yes
|
Patch
|
| Auto-TOC |
Plugin
|
Yes
|
Yes
|
Yes
|
| Raw Export |
Yes
|
Yes
|
Yes
|
Yes
|
| HTML Export |
Yes
|
Yes
|
Yes
|
Yes
|
| XML export |
Optional
|
No
|
No
|
Patch
|
| PDF Export |
Optional
|
Plugin
|
No
|
No
|
| Office Export |
Unknown
|
Plugin
|
Unknown
|
No
|
| Media and Files | ErfurtWiki | DokuWiki | Instiki | WikkaWiki |
| File Attachments |
Plugin
|
Yes
|
Yes
|
Yes
|
| Media Revisions |
No
|
Yes
|
No
|
No
|
| Embedded Flash |
Plugin
|
Yes
|
No
|
Yes
|
| Embedded Video |
Plugin
|
Yes
|
Yes
|
No
|
| Image Editing |
No
|
No
|
No
|
No
|
| SVG Editing |
No
|
Plugin
|
Yes
|
No
|
| MindMap Editing |
No
|
Plugin
|
No
|
Yes
|
| Media Search |
No
|
Filenames only
|
No
|
No
|
| Extras | ErfurtWiki | DokuWiki | Instiki | WikkaWiki |
| Calendar |
Plugin
|
Plugin
|
No
|
Plugin
|
| Image Galleries |
Plugin
|
Plugin
|
No
|
Plugin
|
| Presentations |
Unknown
|
Plugin
|
Unknown
|
No
|
| Forums |
No
|
No
|
No
|
No
|
| Blogs |
Yes
|
Plugin
|
No
|
Plugin
|
| Ticket System |
No
|
Plugin
|
No
|
No
|
| Chat |
Unknown
|
No
|
Unknown
|
No
|
| Syntax Examples | ErfurtWiki | DokuWiki | Instiki | WikkaWiki |
| Internal Link |
WikiPage [WikiPage | Go here] |
[[a Link]] [[namespace:link]] [[link|With a Title]] |
[[Some Page]] [[Some Page|anchor text]] [[Some Page#anchor]] [[Some Page#anchor|anchor text]] |
CamelCase [[forced]] [[forced|This is a link]] [[forced |日本語]] |
| External Link |
http://erfurtwiki.sf.net [http://erfurtwiki.sf.net | Go here] mario@wiki.net |
[[http://example.com]] [[http://example.com|With a Title]] |
[another site](http://example.com) |
http://wikkawiki.org [[http://wikkawiki.org|Wikka Wiki]] [[Wikipedia:WikkaWiki]] |
| Headlines |
!!! Big Headline !! Medium Headline ! Section Headline |
====== Level 1 ====== ===== Level 2 ===== ==== Level 3 ==== === Level 4 === == Level 5 == |
#Level 1# ##Level 2## ###Level 3### ####Level 4#### #####Level 5##### ######Level 6###### |
====== Level 1 ====== ===== Level 2 ===== ==== Level 3 ==== === Level 4 === == Level 5 == |
| Bold Format |
__bold text__ **bold text** |
**bold** |
**bold** |
**bold** |
| Italics Format |
''ialic text'' |
//italics// |
_italic_, *italic* |
//italic// |
| Underline Format |
optional or via css |
__underlined__ |
underlined
{: style='text-decoration:underlined'} |
__underlined__ |
| Monospace Format |
==monospaced text== |
''monospace'' |
`monospace` |
##monospaced## |
| Strikethrough Format |
optional or via css |
<del>strikethrough</del> |
<del>strikethrough</del>
strikethrough
{: style='text-decoration:line-through'} |
++Strike through text++ |
| Superscript Format |
^^superscript text^^ |
<sup>superscript</sup> |
<sup>superscript</sup> |
""<sup>Superscript</sup>"" |
| Subscript Format |
optional or via css |
<sub>subscript</sub> |
<sub>subscript</sub> |
""<sub>Subscript</sub>"" |
| Images |
[link to the image.jpg] |
{{local.jpg}}
{{http://foo.bar/baz.jpg}} |
, [[image.jpg|alt text:pic]] |
http://foo.bar/bar.jpg
{{image url="local.jpg"}}
{{image url="http://foo.bar/bar.jpg"}} |
| Aligning Text |
optional or via css |
Plugin |
p{: style='text-align:left'}
p{: style='text-align:right'}
p{: style='text-align:center'}
p{: style='text-align:justify'} |
@@Center text@@ <<left floated<< >>right floated>> |
| Text Indentation |
just use 3 spaces or tabs indented text |
N/A |
p
{: style='margin-left:3em'}
> blockquote |
(4 spaces or a ~ can replace a tab) indented ~indented |
| Bulleted Lists |
* Item A * Item B ** Item B1 |
* item 1 * item 1.1 * item 2 |
* Item 1 ** Item 1.1 * Item 2 |
(4 spaces or a ~ can replace a tab) ~- Item 1 ~~- Item 1.1 ~- Item 2 |
| Numbered Lists |
# Item 1 ## Item 1.1 ##* Item 1.1a ##* Item 1.1b |
- item 1 - item 1.1 - item 2 |
1. Item 1 1. Item 1.1 2. Item 2 |
(4 spaces or a ~ can replace a tab) ~1) Item 1 ~~1) Item 1.1 ~1) Item 2 (more options for lists are available) |
| Definition Lists |
:definition: explanation :anotherdef: another description |
Plugin |
term : definition |
""<dl> <dt>Coffee</dt> <dd>Black hot drink</dd> <dt>Milk</dt> <dd>White cold drink</dd> </dl>"" |
| Horizontal Rule |
---- |
---- |
*** |
---- |
| remove ErfurtWiki | remove DokuWiki | remove Instiki | remove WikkaWiki |