WackoWiki vs. BrainKeeper vs. ikiwiki

General Features WackoWiki BrainKeeper ikiwiki
Version
6.2.1
N/A
2.67
Last Release Date
2026-03-03 (3 months ago)
N/A
2008-10-17 (17 years ago)
Last Update here
2026-04-25 (1 month ago)
2008-01-12 (18 years ago)
2008-10-28 (17 years ago)
Author
WackoWiki Team
BrainKeeper, Inc.
Joey Hess and the ikiwiki community
URL
Free and Open Source
Yes
N/A
Yes
License
BSD
N/A
GPL
Programming Language
PHP
N/A
Perl
Data Storage
Database
N/A
Files, RCS
License Cost/ Fee
0
from $35 for 9 logins, scaled pricing from there
0
Development status
Mature
N/A
Mature
Intended Audience
Advanced End Users, Developers, End Users/Desktop
Enterprise, Corporations, and Business Teams
Anyone
Hosting Features WackoWiki BrainKeeper ikiwiki
Storage Quota
N/A
Unlimited
N/A
Bandwidth Quota
N/A
Unlimited
N/A
Other Limits
N/A
None
N/A
Topic Restrictions
N/A
No Restrictions
N/A
Corporate Branding
N/A
Yes
N/A
Own Domain
N/A
Yes
N/A
Ads allowed
N/A
No
N/A
System Requirements WackoWiki BrainKeeper ikiwiki
Operating System
OS Independent
N/A
Any
Root Access
No
N/A
No
Webserver
run with the appserver/webserver of your choice
N/A
Any, or none
Other Requirements
mod_rewrite (optional)
N/A
Datastorage WackoWiki BrainKeeper ikiwiki
Text Files
No
N/A
Yes
MySQL
Yes
N/A
No
PostgreSQL
No
N/A
No
Oracle
No
N/A
No
SQLite
Yes
N/A
No
BerkeleyDB
No
N/A
No
RCS
No
N/A
Yes
Other
MariaDB
N/A
Security/Anti-Spam WackoWiki BrainKeeper ikiwiki
Page Permissions
Yes
Yes
Yes
ACL
Yes
Yes
Yes
Authentication Backends
LDAP (patch), ActiveDirectory
N/A
Built-in, HTTP auth, OpenID; extensible via plugins
Host Blocking
Optional
Unknown
Yes
Mail Encryption
Optional
Unknown
Yes
nofollow
Optional
Unknown
No
Blacklist
Yes
Unknown
Yes
CAPTCHA
Yes
Yes
No
Delayed Indexing
No
No
No
Development/Support WackoWiki BrainKeeper ikiwiki
# of Consultants
Preconfigured Hosting
Yes
N/A
No
Code Repository
N/A
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
54 ⭐
N/A
N/A
Common Features WackoWiki BrainKeeper 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 WackoWiki BrainKeeper ikiwiki
Unicode Support
Yes
Yes
Yes
Right-to-Left Support
Yes
Unknown
Yes
Interface Languages
34
Arabic, Bulgarian, Czech, Danish, German, Greek, English, Spanish, Estonian, Persian, Finnish, French, Hindi, Croatian, Hungarian, Indonesian, Italian, Japanese, Korean, Dutch, Norwegian, Polish, Portuguese, Brazilian Portuguese, Romanian, Russian, Swedish, Tamil, Thai, Turkish, Ukrainian, Vietnamese, Chinese, Chinese Traditional
1
English
1
English
Email notification
Yes
Yes
Yes
Comments
Flat
Flat
Discussion Pages
Categories
Yes
Yes
Plugin
Namespaces
Yes
Yes
Yes
Conflict Handling
Page Locking
Page Locking
Conflict Resolution
Concurrent Editing
No
Unknown
Unknown
Search
Full Text
Full Text
Full Text
Wiki Farming
Patch
N/A
Yes
Structured Data
Plugin
Unknown
Unknown
Links WackoWiki BrainKeeper ikiwiki
CamelCase
Optional
No
Plugin
Freelinks
Yes
Yes
Yes
Backlinks
Yes
No
Yes
InterWiki
Yes
Yes
Plugin
SisterWiki
No
No
Plugin
Image Links
Yes
Yes
Yes
Windows Shares
Yes
Yes
Yes
Page Redirects
Yes
Unknown
Unknown
Syntax Features WackoWiki BrainKeeper ikiwiki
HTML Tags
All
Some
Optional
Math formulas
Plugin
No
Plugin
Tables
simple + complex
simple + complex
simple + complex
CREOLE support
No
Unknown
No
Markdown Support
No
Unknown
Yes
Textile Support
No
Unknown
Plugin
BBCode Support
Patch
Unknown
No
Emoticon Images
Yes
No
Plugin
Syntax Highlighting
Yes
Unknown
Plugin
Footnotes
Yes
Yes
No
Quoting
Yes
Yes
Yes
Internal Comments
Yes
Unknown
Yes
Custom styles
Yes
Yes
Yes
FAQ Tags
No
Yes
Yes
Scripting
actions (PHP)
safe subset of HTML::Template supported via template plugin
Content Includes
Yes
Yes
Plugin
Feed Aggregation
Yes
Yes
Plugin
Usability WackoWiki BrainKeeper ikiwiki
Section Editing
Yes
Yes
No
Page Templates
Yes
No
Yes
Double-Click Edit
Yes
No
No
Toolbar
Yes
Yes
No
WYSIWYG Editing
Plugin
Yes
No
Access Keys
Yes
Yes
No
Auto Signature
Yes
Yes
No
Statistics WackoWiki BrainKeeper ikiwiki
Recent Changes
Yes
Yes
Yes
Wanted Pages
Yes
No
Plugin
Orphaned Pages
Yes
Unknown
Plugin
Most/Least Popular
Yes
Yes
No
Recent Visitors
Yes
Yes
No
Analysis
Plugin
Yes
No
Output WackoWiki BrainKeeper ikiwiki
Printer Friendly
Print View
Print CSS
Print CSS
Mobile Friendly
Yes
Unknown
Yes
Themes & Skins
Yes
Yes
Yes
RSS Feeds
Yes
Yes
Plugin
ATOM Feeds
No
Yes
Plugin
Abbreviations
Patch
No
No
Auto-TOC
Yes
Yes
Plugin
Raw Export
Yes
Yes
Yes
HTML Export
Yes
Yes
Yes
XML export
Yes
Yes
No
PDF Export
Patch
Yes
No
Office Export
Patch
Unknown
Unknown
Media and Files WackoWiki BrainKeeper ikiwiki
File Attachments
Yes
Yes
Yes
Media Revisions
No
Yes
Yes
Embedded Flash
Yes
Yes
Optional
Embedded Video
Yes
Yes
Optional
Image Editing
No
Yes
No
SVG Editing
No
Unknown
No
MindMap Editing
Plugin
No
No
Media Search
Contents
Contents
Filenames only
Extras WackoWiki BrainKeeper ikiwiki
Calendar
Plugin
Unknown
Plugin
Image Galleries
Plugin
Unknown
Plugin
Presentations
Plugin
Unknown
Unknown
Forums
Optional
Unknown
Unknown
Blogs
Optional
Unknown
Yes
Ticket System
No
Unknown
Yes
Chat
Patch
Unknown
Unknown
Syntax Examples WackoWiki BrainKeeper ikiwiki
Internal Link
[[InternalLink]] 
((InternalLink))
[[InternalLink alternate text]]
CamelCase
[[internal]]
External Link
https://wackowiki.org
[[https://wackowiki.org WackoWiki]]
[[Wikipedia:WackoWiki]]
[link text](http://example.org)
Headlines
== Level 1 ==
=== Level 2 ===
==== Level 3 ====
===== Level 4 =====
====== Level 5 ======
Two syntaxes:

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

heading 1
=========

heading 2
---------
Bold Format
**bold**
**bold**
__bold__
Italics Format
//italics//
*emphasized*
_emphasized_
Underline Format
__underline__
via HTML: <u>underlined</u>
Monospace Format
##monospace##
`inline monospace`

indented block of
monospaced text

tab-indented
block
Strikethrough Format
--strikethrough--
via HTML: <del>deleted</del>
Superscript Format
^^superscript^^
via HTML: x<sup>2</sup>
Subscript Format
,,subscript,,
via HTML: a<sub>1</sub>
Images
((image.png))
file:image.png
https://example.com/image.png
![alt text](internal/image)
![alt text](http://example.org/external/image)
Aligning Text
{html}<div align="right">{html}

%%(wacko wrapper="text" wrapper_align="center")
content%%
Text Indentation
one
two
Bulleted Lists
*one
**One-two
*two
*three
* item 1
* item 2
* item 2.1
* item 2.2
Numbered Lists
1. numbered List
1. numbered List-2
2.#8 numbered List, with break


1. item 1
2. item 2
1. item 1.1
42. the value doesn't matter
1. any value works
Definition Lists
{html}<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>{html}
via HTML:
<dl>
<dt>term</dt>
<dd>definition</dd>
</dl>
Horizontal Rule
----
---
***
___
------------------
Any number > 3
- - - - - - - - - -
spaces don't matter
remove WackoWiki remove BrainKeeper remove ikiwiki