BrainKeeper vs. PmWiki vs. EditMe vs. TWiki

General Features BrainKeeper PmWiki EditMe TWiki
Version
N/A
2.5.8
N/A
TWiki-6.1.0
Last Release Date
N/A
2026-03-09 (9 days ago)
N/A
2018-07-16 (7 years ago)
Last Update here
2008-01-12 (18 years ago)
2026-03-09 (9 days ago)
2010-07-12 (15 years ago)
2019-07-19 (6 years ago)
Author
BrainKeeper, Inc.
Petko Yotov (Original author: Patrick R. Michaud)
EditMe, LLC
Peter Thoeny, TWiki community
URL
Free and Open Source
N/A
Yes
N/A
Yes
License
N/A
GPL2+
N/A
GPL
Programming Language
N/A
PHP
N/A
Perl, JavaScript
Data Storage
N/A
Files
N/A
Files, RCS
License Cost/ Fee
from $35 for 9 logins, scaled pricing from there
0
From $4.95/mo
N/A
Development status
N/A
Mature
N/A
Mature
Intended Audience
Enterprise, Corporations, and Business Teams
All
Teams, Groups, Companies, Individuals
Large enterprise; small to medium businesses
Hosting Features BrainKeeper PmWiki EditMe TWiki
Storage Quota
Unlimited
N/A
25MB to 4GB
N/A
Bandwidth Quota
Unlimited
N/A
1GB to 25GB
N/A
Other Limits
None
N/A
None
N/A
Topic Restrictions
No Restrictions
N/A
None
N/A
Corporate Branding
Yes
N/A
Yes
N/A
Own Domain
Yes
N/A
Yes
N/A
Ads allowed
No
N/A
Yes
N/A
System Requirements BrainKeeper PmWiki EditMe TWiki
Operating System
N/A
Linux, UNIX, Windows, MacOS X, probably others
N/A
Linux, Windows, OS-X and other
Root Access
N/A
No
N/A
No
Webserver
N/A
Apache, IIS, anything with PHP support. Can also be run with PHP's built-in webserver.
N/A
Almost any webserver, typically Apache and Ngnix
Other Requirements
N/A
none
N/A
RCS (optional), cron/scheduler, fgrep, egrep; Plugins may have additional dependencies
Datastorage BrainKeeper PmWiki EditMe TWiki
Text Files
N/A
Yes
N/A
Yes
MySQL
N/A
Plugin
N/A
No
PostgreSQL
N/A
No
N/A
No
Oracle
N/A
No
N/A
No
SQLite
N/A
Plugin
N/A
No
BerkeleyDB
N/A
No
N/A
No
RCS
N/A
Plugin
N/A
Yes
Other
N/A
Compressed, XML and/or ephemeral files (modules). Can provide custom data backends.
N/A
RcsLite Perl library for version control without external RCS; backend API for other storage
Security/Anti-Spam BrainKeeper PmWiki EditMe TWiki
Page Permissions
Yes
Yes
Yes
Yes
ACL
Yes
Yes
Yes
Yes
Authentication Backends
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.
N/A
Internal authentication; anything Apache supports such as LDAP, NIS, AD, Kerberos
Host Blocking
Unknown
Optional
No
Plugin
Mail Encryption
Unknown
Optional
No
Yes
nofollow
Unknown
Yes
Optional
Plugin
Blacklist
Unknown
Optional
No
Plugin
CAPTCHA
Yes
Plugin
Yes
Plugin
Delayed Indexing
No
Optional
No
Plugin
Development/Support BrainKeeper PmWiki EditMe TWiki
# of Consultants
Preconfigured Hosting
N/A
Yes
N/A
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
Common Features BrainKeeper PmWiki EditMe TWiki
Preview
Yes
Yes
Yes
Yes
Minor Changes
Yes
Yes
Yes
Yes
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
Yes
Plugin System
Yes
Yes
Yes
Yes
Special Features BrainKeeper PmWiki EditMe TWiki
Unicode Support
Yes
Yes
Yes
Yes
Right-to-Left Support
Unknown
Optional
Yes
No
Interface Languages
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
1
English
19
Bulgarian, Czech, Danish, German, English, Spanish, Finnish, French, Italian, Japanese, Korean, Dutch, Polish, Portuguese, Russian, Swedish, Ukrainian, Chinese, Chinese Traditional
Email notification
Yes
Optional
Yes
Yes
Comments
Flat
Discussion Pages
Flat
Threaded
Categories
Yes
Yes
Yes
Yes
Namespaces
Yes
Yes
No
Yes
Conflict Handling
Page Locking
Conflict Resolution
Conflict Resolution
Conflict Resolution
Concurrent Editing
Unknown
Yes
Unknown
Unknown
Search
Full Text
Full Text
Full Text
Full Text
Wiki Farming
N/A
Yes
N/A
Optional
Structured Data
Unknown
Yes
Yes
Yes
Links BrainKeeper PmWiki EditMe TWiki
CamelCase
No
Optional
Optional
Yes
Freelinks
Yes
Yes
Yes
Yes
Backlinks
No
Yes
No
Yes
InterWiki
Yes
Yes
No
Yes
SisterWiki
No
Plugin
No
Plugin
Image Links
Yes
Yes
Yes
Yes
Windows Shares
Yes
Yes
Yes
Plugin
Page Redirects
Unknown
Yes
Yes
Plugin
Syntax Features BrainKeeper PmWiki EditMe TWiki
HTML Tags
Some
Plugin
All
All
Math formulas
No
Plugin
No
Plugin
Tables
simple + complex
simple + complex
complex
simple + complex
CREOLE support
Unknown
Optional
No
No
Markdown Support
Unknown
Plugin
No
No
Textile Support
Unknown
No
No
Plugin
BBCode Support
Unknown
Plugin
No
No
Emoticon Images
No
Plugin
Yes
Yes
Syntax Highlighting
Unknown
Optional
No
Plugin
Footnotes
Yes
Plugin
No
Plugin
Quoting
Yes
Plugin
No
Yes
Internal Comments
Unknown
Yes
Yes
Yes
Custom styles
Yes
Yes
Yes
Yes
FAQ Tags
Yes
Yes
No
Yes
Scripting
MarkupExpressions (core, many add-ons). PageLists with templates (core structured data scripting). WikiSh (plugin), Data forms (optional)
JavaScript
TWiki Markup Language, TWiki variables, JavaScript, extensive API
Content Includes
Yes
Yes
Yes
Yes
Feed Aggregation
Yes
Plugin
No
Yes
Usability BrainKeeper PmWiki EditMe TWiki
Section Editing
Yes
Plugin
No
Plugin
Page Templates
No
Yes
Yes
Yes
Double-Click Edit
No
Plugin
Yes
Plugin
Toolbar
Yes
Optional
Yes
Plugin
WYSIWYG Editing
Yes
Plugin
Yes
Yes
Access Keys
Yes
Yes
Yes
Yes
Auto Signature
Yes
Yes
No
Yes
Statistics BrainKeeper PmWiki EditMe TWiki
Recent Changes
Yes
Yes
Yes
Yes
Wanted Pages
No
Optional
No
No
Orphaned Pages
Unknown
Optional
No
Plugin
Most/Least Popular
Yes
No
Yes
Yes
Recent Visitors
Yes
Plugin
Yes
Plugin
Analysis
Yes
Plugin
Yes
Yes
Output BrainKeeper PmWiki EditMe TWiki
Printer Friendly
Print CSS
Print View
Print CSS
Print View
Mobile Friendly
Unknown
Yes
Optional
Plugin
Themes & Skins
Yes
Yes
Yes
Yes
RSS Feeds
Yes
Optional
Yes
Yes
ATOM Feeds
Yes
Optional
No
Yes
Abbreviations
No
Plugin
No
Plugin
Auto-TOC
Yes
Optional
No
Yes
Raw Export
Yes
Yes
Yes
Yes
HTML Export
Yes
Plugin
Yes
Yes
XML export
Yes
Plugin
Yes
Plugin
PDF Export
Yes
Plugin
No
Plugin
Office Export
Unknown
Plugin
Unknown
Unknown
Media and Files BrainKeeper PmWiki EditMe TWiki
File Attachments
Yes
Optional
Yes
Yes
Media Revisions
Yes
Optional
Yes
Yes
Embedded Flash
Yes
Plugin
Yes
Plugin
Embedded Video
Yes
Plugin
Yes
Plugin
Image Editing
Yes
Plugin
No
Plugin
SVG Editing
Unknown
Plugin
No
Plugin
MindMap Editing
No
Plugin
No
Plugin
Media Search
Contents
Filenames only
Contents
Contents
Extras BrainKeeper PmWiki EditMe TWiki
Calendar
Unknown
Plugin
Plugin
Plugin
Image Galleries
Unknown
Plugin
Plugin
Plugin
Presentations
Unknown
Plugin
Unknown
Unknown
Forums
Unknown
Plugin
Yes
Plugin
Blogs
Unknown
Plugin
Yes
Plugin
Ticket System
Unknown
Plugin
No
Plugin
Chat
Unknown
No
Unknown
Unknown
Syntax Examples BrainKeeper PmWiki EditMe TWiki
Internal Link
[[page name]]
[[page name | link text]]
[[link text -> page name]]
[[#anchor]]
[[#anchor|link to anchor]]
[[page name #anchor]]
[[PageName]], or Use WYSIWYG editor
WikiWord autolink
Otherweb.WikiWord
[[Spaced text]]
[[WikiWord][label]]
External Link
http://....
[[http://... | link text]]
[[link text -> http://...]]
[[http://... Link Text]], or Use WYSIWYG editor
http://twiki.org/ autolink
[[http://twiki.org/][label]]
Headlines
! Level 1
!!#anchor Level 2
!!! Level 3
Use WYSIWYG editor
---+ Level 1
---++ Level 2
---+++ Level 3
---++++ Level 4
---+++++ Level 5
---++++++ Level 6
Bold Format
'''bold'''
Use WYSIWYG editor, Ctl-B
*bold*
Italics Format
''italic''
Use WYSIWYG editor, Ctl-I
_italic_
Underline Format
{+underlined+}
Use WYSIWYG editor, Ctl-U
<u>underline</u>
Monospace Format
@@monospace@@
Use WYSIWYG editor
=monospaced text= and
<verbatim>
multi line text
</verbatim>
Strikethrough Format
{-strikethrough-}
Use WYSIWYG editor
<strike>strikethrough</strike>
Superscript Format
'^superscript^'
Use WYSIWYG editor
<sup>superscript</sup>
Subscript Format
'_subscript_'
Use WYSIWYG editor
<sub>subscript</sub>
Images
https://foo.bar/foo.jpg
Attach:foo.jpg
Attach:foo.jpg"alt/title text" | Caption
[[ImageName]] or Use WYSIWYG editor
%ATTACHURL%/image.png
http://any.domain/image.png
Aligning Text
%center% centered text
%right% right aligned
%lfloat% left floating text
%rfloat% right floating text
%rframe% right floating frame
%lframe% left floating frame
Use WYSIWYG editor
| left |   center   |   right |
or HTML
or CSS
Text Indentation
-> indented text
--> more indentation
-< hanging text
--< more indentation
Use WYSIWYG editor
<blockquote>
multi line text
</blockquote>
Bulleted Lists
* Item 1
** Item 1.1
* Item 2
alternatively, indented:
* item 1
* item 1.1
* item 2
Use WYSIWYG editor
* Item 1
* Item 1.1
* Item 2
Numbered Lists
# Item 1
## Item 1.1
# Item 2
alternatively, indented:
# Item 1
# Item 1.1
# Item 2
Use WYSIWYG editor
1. Item 1
a. Item 1.a
1. Item 2
Definition Lists
: term : definition
Use WYSIWYG editor
$ Term: Definition
Horizontal Rule
----
Use WYSIWYG editor
---
remove BrainKeeper remove PmWiki remove EditMe remove TWiki