PmWiki vs. ErfurtWiki vs. Friki

General Features PmWiki ErfurtWiki Friki
Version
2.5.8
R1.02b (kind of final release :-)
2.1.1
Last Release Date
2026-03-09 (7 days ago)
2005-06-16 (20 years ago)
2004-05-14 (21 years ago)
Last Update here
2026-03-09 (7 days ago)
2010-04-04 (15 years ago)
2006-02-14 (20 years ago)
Author
Petko Yotov (Original author: Patrick R. Michaud)
Mario Salzer & Andi Fundinger
Frank Carver
URL
Free and Open Source
Yes
Yes
Yes
License
GPL2+
Public Domain (!)
ASL or LGPL
Programming Language
PHP
PHP
Java
Data Storage
Files
Database, Files, RCS
Files
License Cost/ Fee
0
0
0
Development status
Mature
Mature
Mature
Intended Audience
All
small + medium sites, development teams
private users and small teams
System Requirements PmWiki ErfurtWiki Friki
Operating System
Linux, UNIX, Windows, MacOS X, probably others
any
Any that can run Java 1.3 or later
Root Access
No
No
No
Webserver
Apache, IIS, anything with PHP support. Can also be run with PHP's built-in webserver.
anything with PHP support
Any that can run or call Java
Other Requirements
none
none
Java 1.3 or later
Datastorage PmWiki ErfurtWiki Friki
Text Files
Yes
Plugin
Yes
MySQL
Plugin
Plugin
No
PostgreSQL
No
Plugin
No
Oracle
No
No
No
SQLite
Plugin
Plugin
No
BerkeleyDB
No
Plugin
No
RCS
Plugin
Plugin
No
Other
Compressed, XML and/or ephemeral files (modules). Can provide custom data backends.
no
Security/Anti-Spam PmWiki ErfurtWiki Friki
Page Permissions
Yes
Yes
No
ACL
Yes
Yes
No
Authentication Backends
Internal: per page, per group, per user, per user group. External: .htpasswd, LDAP, Active Directory. Plugins: Mailman, forums w/MySQL, oAuth, custom possible.
UNIX, LDAP, MySQL, PHP, other
Host Blocking
Optional
Plugin
Patch
Mail Encryption
Optional
Plugin
No
nofollow
Yes
Plugin
Optional
Blacklist
Optional
Plugin
No
CAPTCHA
Plugin
Plugin
No
Delayed Indexing
Optional
Patch
No
Development/Support PmWiki ErfurtWiki Friki
# of Consultants
Preconfigured Hosting
Yes
No
No
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
not yet :-)
Stars on GitHub
N/A
N/A
N/A
Common Features PmWiki ErfurtWiki Friki
Preview
Yes
Yes
No
Minor Changes
Yes
Plugin
No
Change Summary
Yes
Plugin
No
Page History
Yes
Yes
Yes
Page Revisions
Unlimited
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Sitemap
Yes
Plugin
Yes
Plugin System
Yes
Yes
No
Special Features PmWiki ErfurtWiki Friki
Unicode Support
Yes
No
Yes
Right-to-Left Support
Optional
Patch
Unknown
Interface Languages
38
Arabic, Bulgarian, Breton, Catalan, Czech, Danish, German, Greek, English, Esperanto, Spanish, Persian, Finnish, French, Hungarian, Indonesian, Italian, Japanese, Lithuanian, Latvian, Lettish, Macedonian, Dutch, Norwegian, Polish, Portuguese, Brazilian Portuguese, Romanian, Russian, Slovak, Slovenian, Albanian, Swedish, Tamil, Turkish, Ukrainian, Vietnamese, Chinese, Chinese Traditional
4
German, English, Spanish, Dutch
0
Email notification
Optional
Plugin
No
Comments
Discussion Pages
Plugin
No
Categories
Yes
Yes
Unknown
Namespaces
Yes
No
Unknown
Conflict Handling
Conflict Resolution
Page Locking
None
Concurrent Editing
Yes
Unknown
Unknown
Search
Full Text
Full Text
Full Text
Wiki Farming
Yes
Optional
Unknown
Structured Data
Yes
No
Unknown
Links PmWiki ErfurtWiki Friki
CamelCase
Optional
Yes
Yes
Freelinks
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
InterWiki
Yes
Plugin
Yes
SisterWiki
Plugin
Plugin
No
Image Links
Yes
Patch
Optional
Windows Shares
Yes
Yes
No
Page Redirects
Yes
Plugin
Unknown
Syntax Features PmWiki ErfurtWiki Friki
HTML Tags
Plugin
Plugin
None
Math formulas
Plugin
No
No
Tables
simple + complex
simple + complex
complex
CREOLE support
Optional
Optional
Unknown
Markdown Support
Plugin
No
Optional
Textile Support
No
No
Optional
BBCode Support
Plugin
Plugin
Optional
Emoticon Images
Plugin
Plugin
Optional
Syntax Highlighting
Optional
Plugin
Optional
Footnotes
Plugin
Plugin
No
Quoting
Plugin
Plugin
No
Internal Comments
Yes
Yes
No
Custom styles
Yes
Yes
Yes
FAQ Tags
Yes
Yes
No
Scripting
MarkupExpressions (core, many add-ons). PageLists with templates (core structured data scripting). WikiSh (plugin), Data forms (optional)
optional
Content Includes
Yes
Plugin
No
Feed Aggregation
Plugin
Plugin
No
Usability PmWiki ErfurtWiki Friki
Section Editing
Plugin
No
No
Page Templates
Yes
Yes
No
Double-Click Edit
Plugin
Patch
No
Toolbar
Optional
No
No
WYSIWYG Editing
Plugin
No
No
Access Keys
Yes
Optional
Unknown
Auto Signature
Yes
No
No
Statistics PmWiki ErfurtWiki Friki
Recent Changes
Yes
Plugin
Yes
Wanted Pages
Optional
Plugin
No
Orphaned Pages
Optional
Plugin
No
Most/Least Popular
No
Plugin
No
Recent Visitors
Plugin
Optional
Yes
Analysis
Plugin
No
No
Output PmWiki ErfurtWiki Friki
Printer Friendly
Print View
Print CSS
No
Mobile Friendly
Yes
Yes
Unknown
Themes & Skins
Yes
Yes
Optional
RSS Feeds
Optional
Plugin
No
ATOM Feeds
Optional
Plugin
No
Abbreviations
Plugin
Optional
No
Auto-TOC
Optional
Plugin
No
Raw Export
Yes
Yes
No
HTML Export
Plugin
Yes
No
XML export
Plugin
Optional
No
PDF Export
Plugin
Optional
No
Office Export
Plugin
Unknown
Unknown
Media and Files PmWiki ErfurtWiki Friki
File Attachments
Optional
Plugin
No
Media Revisions
Optional
No
No
Embedded Flash
Plugin
Plugin
No
Embedded Video
Plugin
Plugin
No
Image Editing
Plugin
No
Unknown
SVG Editing
Plugin
No
Unknown
MindMap Editing
Plugin
No
Unknown
Media Search
Filenames only
No
No
Extras PmWiki ErfurtWiki Friki
Calendar
Plugin
Plugin
Unknown
Image Galleries
Plugin
Plugin
Unknown
Presentations
Plugin
Unknown
Unknown
Forums
Plugin
No
Unknown
Blogs
Plugin
Yes
Unknown
Ticket System
Plugin
No
Unknown
Chat
No
Unknown
Unknown
Syntax Examples PmWiki ErfurtWiki Friki
Internal Link
[[page name]]
[[page name | link text]]
[[link text -> page name]]
[[#anchor]]
[[#anchor|link to anchor]]
[[page name #anchor]]
WikiPage
[WikiPage | Go here]
External Link
http://....
[[http://... | link text]]
[[link text -> http://...]]
http://erfurtwiki.sf.net
[http://erfurtwiki.sf.net | Go here]
mario@wiki.net
Headlines
! Level 1
!!#anchor Level 2
!!! Level 3
!!! Big Headline
!! Medium Headline
! Section Headline
Bold Format
'''bold'''
__bold text__
**bold text**
'''bold''
Italics Format
''italic''
''ialic text''
''italic''
Underline Format
{+underlined+}
optional or via css
Monospace Format
@@monospace@@
==monospaced text==
monospace
Strikethrough Format
{-strikethrough-}
optional or via css
Superscript Format
'^superscript^'
^^superscript text^^
Subscript Format
'_subscript_'
optional or via css
Images
https://foo.bar/foo.jpg
Attach:foo.jpg
Attach:foo.jpg"alt/title text" | Caption
[link to the image.jpg]
http://stringtree.org/friki/logo.gif
Aligning Text
%center% centered text
%right% right aligned
%lfloat% left floating text
%rfloat% right floating text
%rframe% right floating frame
%lframe% left floating frame
optional or via css
Text Indentation
-> indented text
--> more indentation
-< hanging text
--< more indentation
just use 3 spaces or tabs
indented text
:        indented
Bulleted Lists
* Item 1
** Item 1.1
* Item 2
alternatively, indented:
* item 1
* item 1.1
* item 2
* Item A
* Item B
** Item B1
* first
* second
Numbered Lists
# Item 1
## Item 1.1
# Item 2
alternatively, indented:
# Item 1
# Item 1.1
# Item 2
# Item 1
## Item 1.1
##* Item 1.1a
##* Item 1.1b

1. first
1. second
Definition Lists
: term : definition
:definition: explanation
:anotherdef: another description
title:        description
Horizontal Rule
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remove PmWiki remove ErfurtWiki remove Friki