WikkaWiki vs. BrainKeeper vs. PBwiki vs. ikiwiki

General Features WikkaWiki BrainKeeper PBwiki ikiwiki
Version
1.4.2
N/A
N/A
2.67
Last Release Date
2020-04-20 (6 years ago)
N/A
N/A
2008-10-17 (17 years ago)
Last Update here
2020-04-20 (6 years ago)
2008-01-12 (18 years ago)
2010-08-16 (15 years ago)
2008-10-28 (17 years ago)
Author
Wikka Development Team
BrainKeeper, Inc.
PBworks
Joey Hess and the ikiwiki community
URL
Free and Open Source
Yes
N/A
N/A
Yes
License
GPL
N/A
N/A
GPL
Programming Language
PHP
N/A
N/A
Perl
Data Storage
Database
N/A
N/A
Files, RCS
License Cost/ Fee
0
from $35 for 9 logins, scaled pricing from there
Determined by Solution Needs
0
Development status
Mature
N/A
N/A
Mature
Intended Audience
Individual users (PIM/website backend), development teams (software documentation/knowledge base), organizations and companies (intranet/public website backend)
Enterprise, Corporations, and Business Teams
Business Enterprises
Anyone
Hosting Features WikkaWiki BrainKeeper PBwiki ikiwiki
Storage Quota
N/A
Unlimited
No limit
N/A
Bandwidth Quota
N/A
Unlimited
No limit
N/A
Other Limits
N/A
None
None
N/A
Topic Restrictions
N/A
No Restrictions
None
N/A
Corporate Branding
N/A
Yes
Yes
N/A
Own Domain
N/A
Yes
Yes
N/A
Ads allowed
N/A
No
Yes
N/A
System Requirements WikkaWiki BrainKeeper PBwiki ikiwiki
Operating System
any (platform-independent)
N/A
N/A
Any
Root Access
No
N/A
N/A
No
Webserver
any server with PHP/MySQL support
N/A
N/A
Any, or none
Other Requirements
mod_rewrite (optional)
N/A
N/A
Datastorage WikkaWiki BrainKeeper PBwiki ikiwiki
Text Files
No
N/A
N/A
Yes
MySQL
Yes
N/A
N/A
No
PostgreSQL
No
N/A
N/A
No
Oracle
No
N/A
N/A
No
SQLite
Yes
N/A
N/A
No
BerkeleyDB
No
N/A
N/A
No
RCS
No
N/A
N/A
Yes
Other
No
N/A
N/A
Security/Anti-Spam WikkaWiki BrainKeeper PBwiki ikiwiki
Page Permissions
Yes
Yes
Yes
Yes
ACL
Yes
Yes
Yes
Yes
Authentication Backends
Active Directory (patch)
N/A
N/A
Built-in, HTTP auth, OpenID; extensible via plugins
Host Blocking
Yes
Unknown
Optional
Yes
Mail Encryption
No
Unknown
No
Yes
nofollow
Yes
Unknown
No
No
Blacklist
Yes
Unknown
Optional
Yes
CAPTCHA
Plugin
Yes
No
No
Delayed Indexing
No
No
No
No
Development/Support WikkaWiki BrainKeeper PBwiki ikiwiki
# of Consultants
Preconfigured Hosting
Yes
N/A
N/A
No
Code Repository
N/A
N/A
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
42 ⭐
N/A
N/A
N/A
Common Features WikkaWiki BrainKeeper PBwiki ikiwiki
Preview
Yes
Yes
Yes
Yes
Minor Changes
No
Yes
Yes
No
Change Summary
Yes
Yes
Yes
Yes
Page History
Yes
Yes
Yes
Yes
Page Revisions
Unlimited
Unlimited
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Between all
Sitemap
Yes
Yes
Yes
Plugin
Plugin System
Yes
Yes
Yes
Yes
Special Features WikkaWiki BrainKeeper PBwiki ikiwiki
Unicode Support
Yes
Yes
Yes
Yes
Right-to-Left Support
Yes
Unknown
Yes
Yes
Interface Languages
0
1
English
1
English
1
English
Email notification
Patch
Yes
Yes
Yes
Comments
Threaded
Flat
Threaded
Discussion Pages
Categories
Yes
Yes
Yes
Plugin
Namespaces
No
Yes
Yes
Yes
Conflict Handling
Page Locking
Page Locking
Page Locking
Conflict Resolution
Concurrent Editing
Yes
Unknown
Unknown
Unknown
Search
Full Text
Full Text
Full Text
Full Text
Wiki Farming
No
N/A
N/A
Yes
Structured Data
Plugin
Unknown
Plugin
Unknown
Links WikkaWiki BrainKeeper PBwiki ikiwiki
CamelCase
Yes
No
Yes
Plugin
Freelinks
Patch
Yes
Yes
Yes
Backlinks
Yes
No
Yes
Yes
InterWiki
Yes
Yes
Yes
Plugin
SisterWiki
No
No
Yes
Plugin
Image Links
Yes
Yes
Yes
Yes
Windows Shares
No
Yes
Optional
Yes
Page Redirects
Patch
Unknown
Unknown
Unknown
Syntax Features WikkaWiki BrainKeeper PBwiki ikiwiki
HTML Tags
Some
Some
All
Optional
Math formulas
Plugin
No
Yes
Plugin
Tables
simple + complex
simple + complex
simple + complex
simple + complex
CREOLE support
No
Unknown
No
No
Markdown Support
No
Unknown
No
Yes
Textile Support
No
Unknown
No
Plugin
BBCode Support
No
Unknown
No
No
Emoticon Images
No
No
Yes
Plugin
Syntax Highlighting
Yes
Unknown
Yes
Plugin
Footnotes
Plugin
Yes
Yes
No
Quoting
Yes
Yes
Yes
Yes
Internal Comments
Yes
Unknown
Yes
Yes
Custom styles
Yes
Yes
Yes
Yes
FAQ Tags
No
Yes
Yes
Yes
Scripting
Extensibility through drop-in plugins
Javascript
safe subset of HTML::Template supported via template plugin
Content Includes
Yes
Yes
Plugin
Plugin
Feed Aggregation
Yes
Yes
Yes
Plugin
Usability WikkaWiki BrainKeeper PBwiki ikiwiki
Section Editing
No
Yes
Plugin
No
Page Templates
Yes
No
Yes
Yes
Double-Click Edit
Yes
No
No
No
Toolbar
Yes
Yes
Yes
No
WYSIWYG Editing
Plugin
Yes
Yes
No
Access Keys
Patch
Yes
Yes
No
Auto Signature
Patch
Yes
No
No
Statistics WikkaWiki BrainKeeper PBwiki ikiwiki
Recent Changes
Yes
Yes
Yes
Yes
Wanted Pages
Yes
No
Optional
Plugin
Orphaned Pages
Yes
Unknown
No
Plugin
Most/Least Popular
Patch
Yes
Yes
No
Recent Visitors
Patch
Yes
Yes
No
Analysis
Yes
Yes
Optional
No
Output WikkaWiki BrainKeeper PBwiki ikiwiki
Printer Friendly
Print CSS
Print CSS
Print CSS
Print CSS
Mobile Friendly
Unknown
Unknown
Yes
Yes
Themes & Skins
Yes
Yes
Yes
Yes
RSS Feeds
Yes
Yes
Yes
Plugin
ATOM Feeds
Plugin
Yes
Yes
Plugin
Abbreviations
Patch
No
Yes
No
Auto-TOC
Yes
Yes
Yes
Plugin
Raw Export
Yes
Yes
Yes
Yes
HTML Export
Yes
Yes
Yes
Yes
XML export
Patch
Yes
Yes
No
PDF Export
No
Yes
Yes
No
Office Export
No
Unknown
Unknown
Unknown
Media and Files WikkaWiki BrainKeeper PBwiki ikiwiki
File Attachments
Yes
Yes
Yes
Yes
Media Revisions
No
Yes
Yes
Yes
Embedded Flash
Yes
Yes
Yes
Optional
Embedded Video
No
Yes
Yes
Optional
Image Editing
No
Yes
Yes
No
SVG Editing
No
Unknown
Yes
No
MindMap Editing
Yes
No
Yes
No
Media Search
No
Contents
Contents
Filenames only
Extras WikkaWiki BrainKeeper PBwiki ikiwiki
Calendar
Plugin
Unknown
Yes
Plugin
Image Galleries
Plugin
Unknown
Yes
Plugin
Presentations
No
Unknown
Unknown
Unknown
Forums
No
Unknown
Plugin
Unknown
Blogs
Plugin
Unknown
Optional
Yes
Ticket System
No
Unknown
Plugin
Yes
Chat
No
Unknown
Unknown
Unknown
Syntax Examples WikkaWiki BrainKeeper PBwiki ikiwiki
Internal Link
CamelCase
[[forced]]
[[forced|This is a link]]
[[forced |日本語]]
CamelCaseLink or [Free Link]
[[internal]]
External Link
http://wikkawiki.org
[[http://wikkawiki.org|Wikka Wiki]]
[[Wikipedia:WikkaWiki]]
[http://www.externallink.com]
[link text](http://example.org)
Headlines
====== Level 1 ======
===== Level 2 =====
==== Level 3 ====
=== Level 4 ===
== Level 5 ==
! 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
//italic//
''italics''
*emphasized*
_emphasized_
Underline Format
__underlined__
__underline__
via HTML: <u>underlined</u>
Monospace Format
##monospaced##
<code>monospace</code>
`inline monospace`

indented block of
monospaced text

tab-indented
block
Strikethrough Format
++Strike through text++
-strikethrough-
via HTML: <del>deleted</del>
Superscript Format
""<sup>Superscript</sup>""
<sup>superscript</sup>
via HTML: x<sup>2</sup>
Subscript Format
""<sub>Subscript</sub>""
<sub>subscript</sub>
via HTML: a<sub>1</sub>
Images
http://foo.bar/bar.jpg
{{image url="local.jpg"}}
{{image url="http://foo.bar/bar.jpg"}}
[http://www.imagelocation.com/image.jpg
![alt text](internal/image)
![alt text](http://example.org/external/image)
Aligning Text
@@Center text@@
<<left floated<<
>>right floated>>
<left>, <center>, <right>
Text Indentation
(4 spaces or a ~ can replace a tab)
indented
~indented
Indented block
Bulleted Lists
(4 spaces or a ~ can replace a tab)

~- Item 1
~~- Item 1.1
~- Item 2
* Bullet #1
* Bullet #2
** SubBullet #1
* item 1
* item 2
* item 2.1
* item 2.2
Numbered Lists
(4 spaces or a ~ can replace a tab)

~1) Item 1
~~1) Item 1.1
~1) Item 2

(more options for lists are available)
# 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>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>""
<dl>
</dl>
via HTML:
<dl>
<dt>term</dt>
<dd>definition</dd>
</dl>
Horizontal Rule
----
---
---
***
___
------------------
Any number > 3
- - - - - - - - - -
spaces don't matter
remove WikkaWiki remove BrainKeeper remove PBwiki remove ikiwiki