BrainKeeper vs. PBwiki vs. PmWiki vs. TWiki vs. WackoWiki

General Features BrainKeeper PBwiki PmWiki TWiki WackoWiki
Version
N/A
N/A
2.5.8
TWiki-6.1.0
6.2.1
Last Release Date
N/A
N/A
2026-03-09 (9 days ago)
2018-07-16 (7 years ago)
2026-03-03 (15 days ago)
Last Update here
2008-01-12 (18 years ago)
2010-08-16 (15 years ago)
2026-03-09 (9 days ago)
2019-07-19 (6 years ago)
2026-03-03 (15 days ago)
Author
BrainKeeper, Inc.
PBworks
Petko Yotov (Original author: Patrick R. Michaud)
Peter Thoeny, TWiki community
WackoWiki Team
URL
Free and Open Source
N/A
N/A
Yes
Yes
Yes
License
N/A
N/A
GPL2+
GPL
BSD
Programming Language
N/A
N/A
PHP
Perl, JavaScript
PHP
Data Storage
N/A
N/A
Files
Files, RCS
Database
License Cost/ Fee
from $35 for 9 logins, scaled pricing from there
Determined by Solution Needs
0
N/A
0
Development status
N/A
N/A
Mature
Mature
Mature
Intended Audience
Enterprise, Corporations, and Business Teams
Business Enterprises
All
Large enterprise; small to medium businesses
Advanced End Users, Developers, End Users/Desktop
Hosting Features BrainKeeper PBwiki PmWiki TWiki WackoWiki
Storage Quota
Unlimited
No limit
N/A
N/A
N/A
Bandwidth Quota
Unlimited
No limit
N/A
N/A
N/A
Other Limits
None
None
N/A
N/A
N/A
Topic Restrictions
No Restrictions
None
N/A
N/A
N/A
Corporate Branding
Yes
Yes
N/A
N/A
N/A
Own Domain
Yes
Yes
N/A
N/A
N/A
Ads allowed
No
Yes
N/A
N/A
N/A
System Requirements BrainKeeper PBwiki PmWiki TWiki WackoWiki
Operating System
N/A
N/A
Linux, UNIX, Windows, MacOS X, probably others
Linux, Windows, OS-X and other
OS Independent
Root Access
N/A
N/A
No
No
No
Webserver
N/A
N/A
Apache, IIS, anything with PHP support. Can also be run with PHP's built-in webserver.
Almost any webserver, typically Apache and Ngnix
run with the appserver/webserver of your choice
Other Requirements
N/A
N/A
none
RCS (optional), cron/scheduler, fgrep, egrep; Plugins may have additional dependencies
mod_rewrite (optional)
Datastorage BrainKeeper PBwiki PmWiki TWiki WackoWiki
Text Files
N/A
N/A
Yes
Yes
No
MySQL
N/A
N/A
Plugin
No
Yes
PostgreSQL
N/A
N/A
No
No
No
Oracle
N/A
N/A
No
No
No
SQLite
N/A
N/A
Plugin
No
Yes
BerkeleyDB
N/A
N/A
No
No
No
RCS
N/A
N/A
Plugin
Yes
No
Other
N/A
N/A
Compressed, XML and/or ephemeral files (modules). Can provide custom data backends.
RcsLite Perl library for version control without external RCS; backend API for other storage
MariaDB
Security/Anti-Spam BrainKeeper PBwiki PmWiki TWiki WackoWiki
Page Permissions
Yes
Yes
Yes
Yes
Yes
ACL
Yes
Yes
Yes
Yes
Yes
Authentication Backends
N/A
N/A
Internal: per page, per group, per user, per user group. External: .htpasswd, LDAP, Active Directory. Plugins: Mailman, forums w/MySQL, oAuth, custom possible.
Internal authentication; anything Apache supports such as LDAP, NIS, AD, Kerberos
LDAP (patch), ActiveDirectory
Host Blocking
Unknown
Optional
Optional
Plugin
Optional
Mail Encryption
Unknown
No
Optional
Yes
Optional
nofollow
Unknown
No
Yes
Plugin
Optional
Blacklist
Unknown
Optional
Optional
Plugin
Yes
CAPTCHA
Yes
No
Plugin
Plugin
Yes
Delayed Indexing
No
No
Optional
Plugin
No
Development/Support BrainKeeper PBwiki PmWiki TWiki WackoWiki
# of Consultants
Preconfigured Hosting
N/A
N/A
Yes
Yes
Yes
Code Repository
N/A
N/A
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
N/A
N/A
N/A
N/A
56 ⭐
Common Features BrainKeeper PBwiki PmWiki TWiki WackoWiki
Preview
Yes
Yes
Yes
Yes
Yes
Minor Changes
Yes
Yes
Yes
Yes
Yes
Change Summary
Yes
Yes
Yes
Yes
Yes
Page History
Yes
Yes
Yes
Yes
Yes
Page Revisions
Unlimited
Unlimited
Unlimited
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Between all
Between all
Sitemap
Yes
Yes
Yes
Yes
Yes
Plugin System
Yes
Yes
Yes
Yes
Yes
Special Features BrainKeeper PBwiki PmWiki TWiki WackoWiki
Unicode Support
Yes
Yes
Yes
Yes
Yes
Right-to-Left Support
Unknown
Yes
Optional
No
Yes
Interface Languages
1
English
1
English
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
19
Bulgarian, Czech, Danish, German, English, Spanish, Finnish, French, Italian, Japanese, Korean, Dutch, Polish, Portuguese, Russian, Swedish, Ukrainian, Chinese, Chinese Traditional
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
Email notification
Yes
Yes
Optional
Yes
Yes
Comments
Flat
Threaded
Discussion Pages
Threaded
Flat
Categories
Yes
Yes
Yes
Yes
Yes
Namespaces
Yes
Yes
Yes
Yes
Yes
Conflict Handling
Page Locking
Page Locking
Conflict Resolution
Conflict Resolution
Page Locking
Concurrent Editing
Unknown
Unknown
Yes
Unknown
No
Search
Full Text
Full Text
Full Text
Full Text
Full Text
Wiki Farming
N/A
N/A
Yes
Optional
Patch
Structured Data
Unknown
Plugin
Yes
Yes
Plugin
Links BrainKeeper PBwiki PmWiki TWiki WackoWiki
CamelCase
No
Yes
Optional
Yes
Optional
Freelinks
Yes
Yes
Yes
Yes
Yes
Backlinks
No
Yes
Yes
Yes
Yes
InterWiki
Yes
Yes
Yes
Yes
Yes
SisterWiki
No
Yes
Plugin
Plugin
No
Image Links
Yes
Yes
Yes
Yes
Yes
Windows Shares
Yes
Optional
Yes
Plugin
Yes
Page Redirects
Unknown
Unknown
Yes
Plugin
Yes
Syntax Features BrainKeeper PBwiki PmWiki TWiki WackoWiki
HTML Tags
Some
All
Plugin
All
All
Math formulas
No
Yes
Plugin
Plugin
Plugin
Tables
simple + complex
simple + complex
simple + complex
simple + complex
simple + complex
CREOLE support
Unknown
No
Optional
No
No
Markdown Support
Unknown
No
Plugin
No
No
Textile Support
Unknown
No
No
Plugin
No
BBCode Support
Unknown
No
Plugin
No
Patch
Emoticon Images
No
Yes
Plugin
Yes
Yes
Syntax Highlighting
Unknown
Yes
Optional
Plugin
Yes
Footnotes
Yes
Yes
Plugin
Plugin
Yes
Quoting
Yes
Yes
Plugin
Yes
Yes
Internal Comments
Unknown
Yes
Yes
Yes
Yes
Custom styles
Yes
Yes
Yes
Yes
Yes
FAQ Tags
Yes
Yes
Yes
Yes
No
Scripting
Javascript
MarkupExpressions (core, many add-ons). PageLists with templates (core structured data scripting). WikiSh (plugin), Data forms (optional)
TWiki Markup Language, TWiki variables, JavaScript, extensive API
actions (PHP)
Content Includes
Yes
Plugin
Yes
Yes
Yes
Feed Aggregation
Yes
Yes
Plugin
Yes
Yes
Usability BrainKeeper PBwiki PmWiki TWiki WackoWiki
Section Editing
Yes
Plugin
Plugin
Plugin
Yes
Page Templates
No
Yes
Yes
Yes
Yes
Double-Click Edit
No
No
Plugin
Plugin
Yes
Toolbar
Yes
Yes
Optional
Plugin
Yes
WYSIWYG Editing
Yes
Yes
Plugin
Yes
Plugin
Access Keys
Yes
Yes
Yes
Yes
Yes
Auto Signature
Yes
No
Yes
Yes
Yes
Statistics BrainKeeper PBwiki PmWiki TWiki WackoWiki
Recent Changes
Yes
Yes
Yes
Yes
Yes
Wanted Pages
No
Optional
Optional
No
Yes
Orphaned Pages
Unknown
No
Optional
Plugin
Yes
Most/Least Popular
Yes
Yes
No
Yes
Yes
Recent Visitors
Yes
Yes
Plugin
Plugin
Yes
Analysis
Yes
Optional
Plugin
Yes
Plugin
Output BrainKeeper PBwiki PmWiki TWiki WackoWiki
Printer Friendly
Print CSS
Print CSS
Print View
Print View
Print View
Mobile Friendly
Unknown
Yes
Yes
Plugin
Yes
Themes & Skins
Yes
Yes
Yes
Yes
Yes
RSS Feeds
Yes
Yes
Optional
Yes
Yes
ATOM Feeds
Yes
Yes
Optional
Yes
No
Abbreviations
No
Yes
Plugin
Plugin
Patch
Auto-TOC
Yes
Yes
Optional
Yes
Yes
Raw Export
Yes
Yes
Yes
Yes
Yes
HTML Export
Yes
Yes
Plugin
Yes
Yes
XML export
Yes
Yes
Plugin
Plugin
Yes
PDF Export
Yes
Yes
Plugin
Plugin
Patch
Office Export
Unknown
Unknown
Plugin
Unknown
Patch
Media and Files BrainKeeper PBwiki PmWiki TWiki WackoWiki
File Attachments
Yes
Yes
Optional
Yes
Yes
Media Revisions
Yes
Yes
Optional
Yes
No
Embedded Flash
Yes
Yes
Plugin
Plugin
Yes
Embedded Video
Yes
Yes
Plugin
Plugin
Yes
Image Editing
Yes
Yes
Plugin
Plugin
No
SVG Editing
Unknown
Yes
Plugin
Plugin
No
MindMap Editing
No
Yes
Plugin
Plugin
Plugin
Media Search
Contents
Contents
Filenames only
Contents
Contents
Extras BrainKeeper PBwiki PmWiki TWiki WackoWiki
Calendar
Unknown
Yes
Plugin
Plugin
Plugin
Image Galleries
Unknown
Yes
Plugin
Plugin
Plugin
Presentations
Unknown
Unknown
Plugin
Unknown
Plugin
Forums
Unknown
Plugin
Plugin
Plugin
Optional
Blogs
Unknown
Optional
Plugin
Plugin
Optional
Ticket System
Unknown
Plugin
Plugin
Plugin
No
Chat
Unknown
Unknown
No
Unknown
Patch
Syntax Examples BrainKeeper PBwiki PmWiki TWiki WackoWiki
Internal Link
CamelCaseLink or [Free Link]
[[page name]]
[[page name | link text]]
[[link text -> page name]]
[[#anchor]]
[[#anchor|link to anchor]]
[[page name #anchor]]
WikiWord autolink
Otherweb.WikiWord
[[Spaced text]]
[[WikiWord][label]]
[[InternalLink]] 
((InternalLink))
[[InternalLink alternate text]]
CamelCase
External Link
[http://www.externallink.com]
http://....
[[http://... | link text]]
[[link text -> http://...]]
http://twiki.org/ autolink
[[http://twiki.org/][label]]
https://wackowiki.org
[[https://wackowiki.org WackoWiki]]
[[Wikipedia:WackoWiki]]
Headlines
! Level 1
!! Level 2
!!! Level 3
!!!! Level 4
!!!!! Level 5
!!!!!! Level 6
! Level 1
!!#anchor Level 2
!!! Level 3
---+ Level 1
---++ Level 2
---+++ Level 3
---++++ Level 4
---+++++ Level 5
---++++++ Level 6
== Level 1 ==
=== Level 2 ===
==== Level 3 ====
===== Level 4 =====
====== Level 5 ======
Bold Format
**bold**
'''bold'''
*bold*
**bold**
Italics Format
''italics''
''italic''
_italic_
//italics//
Underline Format
__underline__
{+underlined+}
<u>underline</u>
__underline__
Monospace Format
<code>monospace</code>
@@monospace@@
=monospaced text= and
<verbatim>
multi line text
</verbatim>
##monospace##
Strikethrough Format
-strikethrough-
{-strikethrough-}
<strike>strikethrough</strike>
--strikethrough--
Superscript Format
<sup>superscript</sup>
'^superscript^'
<sup>superscript</sup>
^^superscript^^
Subscript Format
<sub>subscript</sub>
'_subscript_'
<sub>subscript</sub>
,,subscript,,
Images
[http://www.imagelocation.com/image.jpg
https://foo.bar/foo.jpg
Attach:foo.jpg
Attach:foo.jpg"alt/title text" | Caption
%ATTACHURL%/image.png
http://any.domain/image.png
((image.png))
file:image.png
https://example.com/image.png
Aligning Text
<left>, <center>, <right>
%center% centered text
%right% right aligned
%lfloat% left floating text
%rfloat% right floating text
%rframe% right floating frame
%lframe% left floating frame
| left |   center   |   right |
or HTML
or CSS
{html}<div align="right">{html}

%%(wacko wrapper="text" wrapper_align="center")
content%%
Text Indentation
Indented block
-> indented text
--> more indentation
-< hanging text
--< more indentation
<blockquote>
multi line text
</blockquote>
one
two
Bulleted Lists
* Bullet #1
* Bullet #2
** SubBullet #1
* Item 1
** Item 1.1
* Item 2
alternatively, indented:
* item 1
* item 1.1
* item 2
* Item 1
* Item 1.1
* Item 2
*one
**One-two
*two
*three
Numbered Lists
# Number #1
# Number #2
# Item 1
## Item 1.1
# Item 2
alternatively, indented:
# Item 1
# Item 1.1
# Item 2
1. Item 1
a. Item 1.a
1. Item 2
1. numbered List
1. numbered List-2
2.#8 numbered List, with break


Definition Lists
<dl>
</dl>
: term : definition
$ Term: Definition
{html}<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>{html}
Horizontal Rule
---
----
---
----
remove BrainKeeper remove PBwiki remove PmWiki remove TWiki remove WackoWiki