BrainKeeper vs. WackoWiki vs. PmWiki

General Features BrainKeeper WackoWiki PmWiki
Version
N/A
6.2.0
2.5.5
Last Release Date
N/A
2025-12-14 (1 month ago)
2026-01-10 (21 days ago)
Last Update here
2008-01-12 (18 years ago)
2025-12-13 (1 month ago)
2026-01-10 (21 days ago)
Author
BrainKeeper, Inc.
WackoWiki Team
Petko Yotov (Original author: Patrick R. Michaud)
URL
Free and Open Source
N/A
Yes
Yes
License
N/A
BSD
GPL2+
Programming Language
N/A
PHP
PHP
Data Storage
N/A
Database
Files
License Cost/ Fee
from $35 for 9 logins, scaled pricing from there
0
0
Development status
N/A
Mature
Mature
Intended Audience
Enterprise, Corporations, and Business Teams
Advanced End Users, Developers, End Users/Desktop
All
Hosting Features BrainKeeper WackoWiki PmWiki
Storage Quota
Unlimited
N/A
N/A
Bandwidth Quota
Unlimited
N/A
N/A
Other Limits
None
N/A
N/A
Topic Restrictions
No Restrictions
N/A
N/A
Corporate Branding
Yes
N/A
N/A
Own Domain
Yes
N/A
N/A
Ads allowed
No
N/A
N/A
System Requirements BrainKeeper WackoWiki PmWiki
Operating System
N/A
OS Independent
Linux, UNIX, Windows, MacOS X, probably others
Root Access
N/A
No
No
Webserver
N/A
run with the appserver/webserver of your choice
Apache, IIS, anything with PHP support. Can also be run with PHP's built-in webserver.
Other Requirements
N/A
mod_rewrite (optional)
none
Datastorage BrainKeeper WackoWiki PmWiki
Text Files
N/A
No
Yes
MySQL
N/A
Yes
Plugin
PostgreSQL
N/A
No
No
Oracle
N/A
No
No
SQLite
N/A
Yes
Plugin
BerkeleyDB
N/A
No
No
RCS
N/A
No
Plugin
Other
N/A
MariaDB
Compressed, XML and/or ephemeral files (modules). Can provide custom data backends.
Security/Anti-Spam BrainKeeper WackoWiki PmWiki
Page Permissions
Yes
Yes
Yes
ACL
Yes
Yes
Yes
Authentication Backends
N/A
LDAP (patch), ActiveDirectory
Internal: per page, per group, per user, per user group. External: .htpasswd, LDAP, Active Directory. Plugins: Mailman, forums w/MySQL, oAuth, custom possible.
Host Blocking
Unknown
Optional
Optional
Mail Encryption
Unknown
Optional
Optional
nofollow
Unknown
Optional
Yes
Blacklist
Unknown
Yes
Optional
CAPTCHA
Yes
Yes
Plugin
Delayed Indexing
No
No
Optional
Development/Support BrainKeeper WackoWiki PmWiki
# of Consultants
Preconfigured Hosting
N/A
Yes
Yes
Code Repository
N/A
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
N/A
54 ⭐
N/A
Common Features BrainKeeper WackoWiki PmWiki
Preview
Yes
Yes
Yes
Minor Changes
Yes
Yes
Yes
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
Yes
Plugin System
Yes
Yes
Yes
Special Features BrainKeeper WackoWiki PmWiki
Unicode Support
Yes
Yes
Yes
Right-to-Left Support
Unknown
Yes
Optional
Interface Languages
1
English
30
Arabic, Bulgarian, Czech, Danish, German, Greek, English, Spanish, Estonian, Persian, Finnish, French, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Dutch, Norwegian, Polish, Portuguese, Brazilian Portuguese, Romanian, Russian, Swedish, Tamil, Ukrainian, Chinese, Chinese Traditional
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
Email notification
Yes
Yes
Optional
Comments
Flat
Flat
Discussion Pages
Categories
Yes
Yes
Yes
Namespaces
Yes
Yes
Yes
Conflict Handling
Page Locking
Page Locking
Conflict Resolution
Concurrent Editing
Unknown
No
Yes
Search
Full Text
Full Text
Full Text
Wiki Farming
N/A
Patch
Yes
Structured Data
Unknown
Plugin
Yes
Links BrainKeeper WackoWiki PmWiki
CamelCase
No
Optional
Optional
Freelinks
Yes
Yes
Yes
Backlinks
No
Yes
Yes
InterWiki
Yes
Yes
Yes
SisterWiki
No
No
Plugin
Image Links
Yes
Yes
Yes
Windows Shares
Yes
Yes
Yes
Page Redirects
Unknown
Yes
Yes
Syntax Features BrainKeeper WackoWiki PmWiki
HTML Tags
Some
All
Plugin
Math formulas
No
Plugin
Plugin
Tables
simple + complex
simple
simple + complex
CREOLE support
Unknown
No
Optional
Markdown Support
Unknown
No
Plugin
Textile Support
Unknown
No
No
BBCode Support
Unknown
Patch
Plugin
Emoticon Images
No
Yes
Plugin
Syntax Highlighting
Unknown
Yes
Optional
Footnotes
Yes
Yes
Plugin
Quoting
Yes
Yes
Plugin
Internal Comments
Unknown
Yes
Yes
Custom styles
Yes
Yes
Yes
FAQ Tags
Yes
No
Yes
Scripting
actions (PHP)
MarkupExpressions (core, many add-ons). PageLists with templates (core structured data scripting). WikiSh (plugin), Data forms (optional)
Content Includes
Yes
Yes
Yes
Feed Aggregation
Yes
Yes
Plugin
Usability BrainKeeper WackoWiki PmWiki
Section Editing
Yes
Yes
Plugin
Page Templates
No
Yes
Yes
Double-Click Edit
No
Yes
Plugin
Toolbar
Yes
Yes
Optional
WYSIWYG Editing
Yes
Plugin
Plugin
Access Keys
Yes
Yes
Yes
Auto Signature
Yes
Yes
Yes
Statistics BrainKeeper WackoWiki PmWiki
Recent Changes
Yes
Yes
Yes
Wanted Pages
No
Yes
Optional
Orphaned Pages
Unknown
Yes
Optional
Most/Least Popular
Yes
Yes
No
Recent Visitors
Yes
Yes
Plugin
Analysis
Yes
Plugin
Plugin
Output BrainKeeper WackoWiki PmWiki
Printer Friendly
Print CSS
Print View
Print View
Mobile Friendly
Unknown
Yes
Yes
Themes & Skins
Yes
Yes
Yes
RSS Feeds
Yes
Yes
Optional
ATOM Feeds
Yes
No
Optional
Abbreviations
No
Patch
Plugin
Auto-TOC
Yes
Yes
Optional
Raw Export
Yes
Yes
Yes
HTML Export
Yes
Yes
Plugin
XML export
Yes
Yes
Plugin
PDF Export
Yes
Patch
Plugin
Office Export
Unknown
Patch
Plugin
Media and Files BrainKeeper WackoWiki PmWiki
File Attachments
Yes
Yes
Optional
Media Revisions
Yes
No
Optional
Embedded Flash
Yes
Yes
Plugin
Embedded Video
Yes
Yes
Plugin
Image Editing
Yes
No
Plugin
SVG Editing
Unknown
No
Plugin
MindMap Editing
No
Plugin
Plugin
Media Search
Contents
Contents
Filenames only
Extras BrainKeeper WackoWiki PmWiki
Calendar
Unknown
Plugin
Plugin
Image Galleries
Unknown
Plugin
Plugin
Presentations
Unknown
Plugin
Plugin
Forums
Unknown
Optional
Plugin
Blogs
Unknown
Optional
Plugin
Ticket System
Unknown
No
Plugin
Chat
Unknown
Patch
No
Syntax Examples BrainKeeper WackoWiki PmWiki
Internal Link
[[InternalLink]] 
((InternalLink))
[[InternalLink alternate text]]
CamelCase
[[page name]]
[[page name | link text]]
[[link text -> page name]]
[[#anchor]]
[[#anchor|link to anchor]]
[[page name #anchor]]
External Link
https://wackowiki.org
[[https://wackowiki.org WackoWiki]]
[[Wikipedia:WackoWiki]]
http://....
[[http://... | link text]]
[[link text -> http://...]]
Headlines
== Level 1 ==
=== Level 2 ===
==== Level 3 ====
===== Level 4 =====
====== Level 5 ======
! Level 1
!!#anchor Level 2
!!! Level 3
Bold Format
**bold**
'''bold'''
Italics Format
//italics//
''italic''
Underline Format
__underline__
{+underlined+}
Monospace Format
##monospace##
@@monospace@@
Strikethrough Format
--strikethrough--
{-strikethrough-}
Superscript Format
^^superscript^^
'^superscript^'
Subscript Format
vvsubscriptvv
'_subscript_'
Images
((image.png))
file:image.png
https://example.com/image.png
https://foo.bar/foo.jpg
Attach:foo.jpg
Attach:foo.jpg"alt/title text" | Caption
Aligning Text
{html}<div align="right">{html}

%%(wacko wrapper="text" wrapper_align="center")
content%%
%center% centered text
%right% right aligned
%lfloat% left floating text
%rfloat% right floating text
%rframe% right floating frame
%lframe% left floating frame
Text Indentation
one
two
-> indented text
--> more indentation
-< hanging text
--< more indentation
Bulleted Lists
*one
**One-two
*two
*three
* Item 1
** Item 1.1
* Item 2
alternatively, indented:
* item 1
* item 1.1
* item 2
Numbered Lists
1. numbered List
1. numbered List-2
2.#8 numbered List, with break


# Item 1
## Item 1.1
# Item 2
alternatively, indented:
# Item 1
# Item 1.1
# Item 2
Definition Lists
{html}<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>{html}
: term : definition
Horizontal Rule
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remove BrainKeeper remove WackoWiki remove PmWiki