PmWiki vs. Friki vs. ErfurtWiki

General Features PmWiki Friki ErfurtWiki
Version
2.5.5
2.1.1
R1.02b (kind of final release :-)
Last Release Date
2026-01-10 (20 days ago)
2004-05-14 (21 years ago)
2005-06-16 (20 years ago)
Last Update here
2026-01-10 (20 days ago)
2006-02-14 (19 years ago)
2010-04-04 (15 years ago)
Author
Petko Yotov (Original author: Patrick R. Michaud)
Frank Carver
Mario Salzer & Andi Fundinger
URL
Free and Open Source
Yes
Yes
Yes
License
GPL2+
ASL or LGPL
Public Domain (!)
Programming Language
PHP
Java
PHP
Data Storage
Files
Files
Database, Files, RCS
License Cost/ Fee
0
0
0
Development status
Mature
Mature
Mature
Intended Audience
All
private users and small teams
small + medium sites, development teams
System Requirements PmWiki Friki ErfurtWiki
Operating System
Linux, UNIX, Windows, MacOS X, probably others
Any that can run Java 1.3 or later
any
Root Access
No
No
No
Webserver
Apache, IIS, anything with PHP support. Can also be run with PHP's built-in webserver.
Any that can run or call Java
anything with PHP support
Other Requirements
none
Java 1.3 or later
none
Datastorage PmWiki Friki ErfurtWiki
Text Files
Yes
Yes
Plugin
MySQL
Plugin
No
Plugin
PostgreSQL
No
No
Plugin
Oracle
No
No
No
SQLite
Plugin
No
Plugin
BerkeleyDB
No
No
Plugin
RCS
Plugin
No
Plugin
Other
Compressed, XML and/or ephemeral files (modules). Can provide custom data backends.
no
Security/Anti-Spam PmWiki Friki ErfurtWiki
Page Permissions
Yes
No
Yes
ACL
Yes
No
Yes
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
Patch
Plugin
Mail Encryption
Optional
No
Plugin
nofollow
Yes
Optional
Plugin
Blacklist
Optional
No
Plugin
CAPTCHA
Plugin
No
Plugin
Delayed Indexing
Optional
No
Patch
Development/Support PmWiki Friki ErfurtWiki
# 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 Friki ErfurtWiki
Preview
Yes
No
Yes
Minor Changes
Yes
No
Plugin
Change Summary
Yes
No
Plugin
Page History
Yes
Yes
Yes
Page Revisions
Unlimited
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Sitemap
Yes
Yes
Plugin
Plugin System
Yes
No
Yes
Special Features PmWiki Friki ErfurtWiki
Unicode Support
Yes
Yes
No
Right-to-Left Support
Optional
Unknown
Patch
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
0
4
German, English, Spanish, Dutch
Email notification
Optional
No
Plugin
Comments
Discussion Pages
No
Plugin
Categories
Yes
Unknown
Yes
Namespaces
Yes
Unknown
No
Conflict Handling
Conflict Resolution
None
Page Locking
Concurrent Editing
Yes
Unknown
Unknown
Search
Full Text
Full Text
Full Text
Wiki Farming
Yes
Unknown
Optional
Structured Data
Yes
Unknown
No
Links PmWiki Friki ErfurtWiki
CamelCase
Optional
Yes
Yes
Freelinks
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
InterWiki
Yes
Yes
Plugin
SisterWiki
Plugin
No
Plugin
Image Links
Yes
Optional
Patch
Windows Shares
Yes
No
Yes
Page Redirects
Yes
Unknown
Plugin
Syntax Features PmWiki Friki ErfurtWiki
HTML Tags
Plugin
None
Plugin
Math formulas
Plugin
No
No
Tables
simple + complex
complex
simple + complex
CREOLE support
Optional
Unknown
Optional
Markdown Support
Plugin
Optional
No
Textile Support
No
Optional
No
BBCode Support
Plugin
Optional
Plugin
Emoticon Images
Plugin
Optional
Plugin
Syntax Highlighting
Optional
Optional
Plugin
Footnotes
Plugin
No
Plugin
Quoting
Plugin
No
Plugin
Internal Comments
Yes
No
Yes
Custom styles
Yes
Yes
Yes
FAQ Tags
Yes
No
Yes
Scripting
MarkupExpressions (core, many add-ons). PageLists with templates (core structured data scripting). WikiSh (plugin), Data forms (optional)
optional
Content Includes
Yes
No
Plugin
Feed Aggregation
Plugin
No
Plugin
Usability PmWiki Friki ErfurtWiki
Section Editing
Plugin
No
No
Page Templates
Yes
No
Yes
Double-Click Edit
Plugin
No
Patch
Toolbar
Optional
No
No
WYSIWYG Editing
Plugin
No
No
Access Keys
Yes
Unknown
Optional
Auto Signature
Yes
No
No
Statistics PmWiki Friki ErfurtWiki
Recent Changes
Yes
Yes
Plugin
Wanted Pages
Optional
No
Plugin
Orphaned Pages
Optional
No
Plugin
Most/Least Popular
No
No
Plugin
Recent Visitors
Plugin
Yes
Optional
Analysis
Plugin
No
No
Output PmWiki Friki ErfurtWiki
Printer Friendly
Print View
No
Print CSS
Mobile Friendly
Yes
Unknown
Yes
Themes & Skins
Yes
Optional
Yes
RSS Feeds
Optional
No
Plugin
ATOM Feeds
Optional
No
Plugin
Abbreviations
Plugin
No
Optional
Auto-TOC
Optional
No
Plugin
Raw Export
Yes
No
Yes
HTML Export
Plugin
No
Yes
XML export
Plugin
No
Optional
PDF Export
Plugin
No
Optional
Office Export
Plugin
Unknown
Unknown
Media and Files PmWiki Friki ErfurtWiki
File Attachments
Optional
No
Plugin
Media Revisions
Optional
No
No
Embedded Flash
Plugin
No
Plugin
Embedded Video
Plugin
No
Plugin
Image Editing
Plugin
Unknown
No
SVG Editing
Plugin
Unknown
No
MindMap Editing
Plugin
Unknown
No
Media Search
Filenames only
No
No
Extras PmWiki Friki ErfurtWiki
Calendar
Plugin
Unknown
Plugin
Image Galleries
Plugin
Unknown
Plugin
Presentations
Plugin
Unknown
Unknown
Forums
Plugin
Unknown
No
Blogs
Plugin
Unknown
Yes
Ticket System
Plugin
Unknown
No
Chat
No
Unknown
Unknown
Syntax Examples PmWiki Friki ErfurtWiki
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''
__bold text__
**bold text**
Italics Format
''italic''
''italic''
''ialic text''
Underline Format
{+underlined+}
optional or via css
Monospace Format
@@monospace@@
monospace
==monospaced text==
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
http://stringtree.org/friki/logo.gif
[link to the image.jpg]
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
:        indented
just use 3 spaces or tabs
indented text
Bulleted Lists
* Item 1
** Item 1.1
* Item 2
alternatively, indented:
* item 1
* item 1.1
* item 2
* first
* second
* Item A
* Item B
** Item B1
Numbered Lists
# Item 1
## Item 1.1
# Item 2
alternatively, indented:
# Item 1
# Item 1.1
# Item 2
1. first
1. second
# Item 1
## Item 1.1
##* Item 1.1a
##* Item 1.1b

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