Confluence vs. PBwiki vs. ikiwiki

General Features Confluence PBwiki ikiwiki
Version
5.2
N/A
2.67
Last Release Date
2013-08-13 (12 years ago)
N/A
2008-10-17 (17 years ago)
Last Update here
2013-08-22 (12 years ago)
2010-08-16 (15 years ago)
2008-10-28 (17 years ago)
Author
Atlassian
PBworks
Joey Hess and the ikiwiki community
URL
Free and Open Source
No
N/A
Yes
License
Commercial + Free personal/open source project/community use
N/A
GPL
Programming Language
Java
N/A
Perl
Data Storage
Database
N/A
Files, RCS
License Cost/ Fee
starting at US $10 installed (unlimited wikis)
Determined by Solution Needs
0
Development status
Mature
N/A
Mature
Intended Audience
Enterprise + Technical Teams
Business Enterprises
Anyone
Hosting Features Confluence PBwiki ikiwiki
Storage Quota
Unlimited
No limit
N/A
Bandwidth Quota
No limit
N/A
Other Limits
No
None
N/A
Topic Restrictions
No
None
N/A
Corporate Branding
Yes
Yes
N/A
Own Domain
Optional
Yes
N/A
Ads allowed
No
Yes
N/A
System Requirements Confluence PBwiki ikiwiki
Operating System
Windows, Linux and Unix variants
N/A
Any
Root Access
No
N/A
No
Webserver
Apache Tomcat
N/A
Any, or none
Other Requirements
Oracle JDK 1.6.0_4+
N/A
Datastorage Confluence PBwiki ikiwiki
Text Files
No
N/A
Yes
MySQL
Yes
N/A
No
PostgreSQL
Yes
N/A
No
Oracle
Yes
N/A
No
SQLite
No
N/A
No
BerkeleyDB
No
N/A
No
RCS
No
N/A
Yes
Other
N/A
Security/Anti-Spam Confluence PBwiki ikiwiki
Page Permissions
Yes
Yes
Yes
ACL
Yes
Yes
Yes
Authentication Backends
LDAP, NTLM, Siteminder, CAS and more
N/A
Built-in, HTTP auth, OpenID; extensible via plugins
Host Blocking
No
Optional
Yes
Mail Encryption
Optional
No
Yes
nofollow
Optional
No
No
Blacklist
No
Optional
Yes
CAPTCHA
Yes
No
No
Delayed Indexing
No
No
No
Development/Support Confluence PBwiki ikiwiki
# of Consultants
Preconfigured Hosting
Yes
N/A
No
Code Repository
N/A
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
N/A
N/A
N/A
Common Features Confluence PBwiki ikiwiki
Preview
Yes
Yes
Yes
Minor Changes
Yes
Yes
No
Change Summary
Yes
Yes
Yes
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
Yes
Yes
Special Features Confluence PBwiki ikiwiki
Unicode Support
Yes
Yes
Yes
Right-to-Left Support
No
Yes
Yes
Interface Languages
15
Danish, German, Greek, English, Spanish, Finnish, French, Hungarian, Japanese, Korean, Portuguese, Russian, Swahili, Chinese, Chinese Traditional
1
English
1
English
Email notification
Yes
Yes
Yes
Comments
Threaded
Threaded
Discussion Pages
Categories
Yes
Yes
Plugin
Namespaces
Yes
Yes
Yes
Conflict Handling
Conflict Resolution
Page Locking
Conflict Resolution
Concurrent Editing
Unknown
Unknown
Unknown
Search
Full Text
Full Text
Full Text
Wiki Farming
Yes
N/A
Yes
Structured Data
Plugin
Plugin
Unknown
Links Confluence PBwiki ikiwiki
CamelCase
Yes
Yes
Plugin
Freelinks
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
InterWiki
Optional
Yes
Plugin
SisterWiki
No
Yes
Plugin
Image Links
Yes
Yes
Yes
Windows Shares
Yes
Optional
Yes
Page Redirects
Plugin
Unknown
Unknown
Syntax Features Confluence PBwiki ikiwiki
HTML Tags
Optional
All
Optional
Math formulas
Plugin
Yes
Plugin
Tables
simple + complex
simple + complex
simple + complex
CREOLE support
No
No
No
Markdown Support
No
No
Yes
Textile Support
Yes
No
Plugin
BBCode Support
No
No
No
Emoticon Images
Yes
Yes
Plugin
Syntax Highlighting
Yes
Yes
Plugin
Footnotes
Plugin
Yes
No
Quoting
Yes
Yes
Yes
Internal Comments
Plugin
Yes
Yes
Custom styles
Yes
Yes
Yes
FAQ Tags
Yes
Yes
Yes
Scripting
Macros, plugins, widgets, JavaScript and more
Javascript
safe subset of HTML::Template supported via template plugin
Content Includes
Yes
Plugin
Plugin
Feed Aggregation
Yes
Yes
Plugin
Usability Confluence PBwiki ikiwiki
Section Editing
No
Plugin
No
Page Templates
Yes
Yes
Yes
Double-Click Edit
No
No
No
Toolbar
Yes
Yes
No
WYSIWYG Editing
Yes
Yes
No
Access Keys
Yes
Yes
No
Auto Signature
No
No
No
Statistics Confluence PBwiki ikiwiki
Recent Changes
Yes
Yes
Yes
Wanted Pages
Yes
Optional
Plugin
Orphaned Pages
Yes
No
Plugin
Most/Least Popular
Yes
Yes
No
Recent Visitors
No
Yes
No
Analysis
Yes
Optional
No
Output Confluence PBwiki ikiwiki
Printer Friendly
Print CSS
Print CSS
Print CSS
Mobile Friendly
Plugin
Yes
Yes
Themes & Skins
Yes
Yes
Yes
RSS Feeds
Yes
Yes
Plugin
ATOM Feeds
Yes
Yes
Plugin
Abbreviations
No
Yes
No
Auto-TOC
Yes
Yes
Plugin
Raw Export
Yes
Yes
Yes
HTML Export
Yes
Yes
Yes
XML export
Yes
Yes
No
PDF Export
Yes
Yes
No
Office Export
Unknown
Unknown
Unknown
Media and Files Confluence PBwiki ikiwiki
File Attachments
Yes
Yes
Yes
Media Revisions
Yes
Yes
Yes
Embedded Flash
Yes
Yes
Optional
Embedded Video
Yes
Yes
Optional
Image Editing
Plugin
Yes
No
SVG Editing
Plugin
Yes
No
MindMap Editing
Plugin
Yes
No
Media Search
Contents
Contents
Filenames only
Extras Confluence PBwiki ikiwiki
Calendar
Plugin
Yes
Plugin
Image Galleries
Yes
Yes
Plugin
Presentations
Unknown
Unknown
Unknown
Forums
Plugin
Plugin
Unknown
Blogs
Yes
Optional
Yes
Ticket System
Plugin
Plugin
Yes
Chat
Unknown
Unknown
Unknown
Syntax Examples Confluence PBwiki ikiwiki
Internal Link
[Page Title]
[Link Title|Page Title#anchor]
[~username]
[^attachment.doc]
CamelCaseLink or [Free Link]
[[internal]]
External Link
[http://www.example.com]
[Link Title|http://www.example.com]
[Shortcut Link|PageName@otherwiki]
[http://www.externallink.com]
[link text](http://example.org)
Headlines
h1. Top Level Heading
h2. Smaller Heading
h6. Smallest Heading
! Level 1
!! Level 2
!!! Level 3
!!!! Level 4
!!!!! Level 5
!!!!!! Level 6
Two syntaxes:

# heading 1
## heading 2
### heading 3

heading 1
=========

heading 2
---------
Bold Format
*bold*
**bold**
**bold**
__bold__
Italics Format
_italics_
''italics''
*emphasized*
_emphasized_
Underline Format
+underline+
__underline__
via HTML: <u>underlined</u>
Monospace Format
{{monospace}}
<code>monospace</code>
`inline monospace`

indented block of
monospaced text

tab-indented
block
Strikethrough Format
-strikethrough-
-strikethrough-
via HTML: <del>deleted</del>
Superscript Format
^superscript^
<sup>superscript</sup>
via HTML: x<sup>2</sup>
Subscript Format
~subscript~
<sub>subscript</sub>
via HTML: a<sub>1</sub>
Images
[http://www.imagelocation.com/image.jpg
![alt text](internal/image)
![alt text](http://example.org/external/image)
Aligning Text
<left>, <center>, <right>
Text Indentation
Indented block
Bulleted Lists
* one
** one-two
* two
* three
* Bullet #1
* Bullet #2
** SubBullet #1
* item 1
* item 2
* item 2.1
* item 2.2
Numbered Lists
# one
## one-two
# two
# three
# Number #1
# Number #2
1. item 1
2. item 2
1. item 1.1
42. the value doesn't matter
1. any value works
Definition Lists
<dl>
</dl>
via HTML:
<dl>
<dt>term</dt>
<dd>definition</dd>
</dl>
Horizontal Rule
----
---
---
***
___
------------------
Any number > 3
- - - - - - - - - -
spaces don't matter
remove Confluence remove PBwiki remove ikiwiki