EditMe vs. PmWiki vs. TWiki vs. KeheiWiki

General Features EditMe PmWiki TWiki KeheiWiki
Version
N/A
2.5.6
TWiki-6.1.0
Pleiades-M45
Last Release Date
N/A
2026-02-08 (19 days ago)
2018-07-16 (7 years ago)
2005-03-22 (20 years ago)
Last Update here
2010-07-12 (15 years ago)
2026-02-08 (19 days ago)
2019-07-19 (6 years ago)
2009-12-23 (16 years ago)
Author
EditMe, LLC
Petko Yotov (Original author: Patrick R. Michaud)
Peter Thoeny, TWiki community
team
URL
Free and Open Source
N/A
Yes
Yes
Yes
License
N/A
GPL2+
GPL
LGPL
Programming Language
N/A
PHP
Perl, JavaScript
Perl
Data Storage
N/A
Files
Files, RCS
Files, RCS
License Cost/ Fee
From $4.95/mo
0
N/A
0
Development status
N/A
Mature
Mature
Mature
Intended Audience
Teams, Groups, Companies, Individuals
All
Large enterprise; small to medium businesses
corporate and special interest groups
Hosting Features EditMe PmWiki TWiki KeheiWiki
Storage Quota
25MB to 4GB
N/A
N/A
N/A
Bandwidth Quota
1GB to 25GB
N/A
N/A
N/A
Other Limits
None
N/A
N/A
N/A
Topic Restrictions
None
N/A
N/A
N/A
Corporate Branding
Yes
N/A
N/A
N/A
Own Domain
Yes
N/A
N/A
N/A
Ads allowed
Yes
N/A
N/A
N/A
System Requirements EditMe PmWiki TWiki KeheiWiki
Operating System
N/A
Linux, UNIX, Windows, MacOS X, probably others
Linux, Windows, OS-X and other
Unix/Linux
Root Access
N/A
No
No
No
Webserver
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
Apache 1.3 or better CGI (any level)
Other Requirements
N/A
none
RCS (optional), cron/scheduler, fgrep, egrep; Plugins may have additional dependencies
perl 4 or newer
Datastorage EditMe PmWiki TWiki KeheiWiki
Text Files
N/A
Yes
Yes
Yes
MySQL
N/A
Plugin
No
Plugin
PostgreSQL
N/A
No
No
Plugin
Oracle
N/A
No
No
Plugin
SQLite
N/A
Plugin
No
Plugin
BerkeleyDB
N/A
No
No
Plugin
RCS
N/A
Plugin
Yes
Plugin
Other
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
archiving plugin, designed for unionFS
Security/Anti-Spam EditMe PmWiki TWiki KeheiWiki
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.
Internal authentication; anything Apache supports such as LDAP, NIS, AD, Kerberos
Apache
Host Blocking
No
Optional
Plugin
Yes
Mail Encryption
No
Optional
Yes
No
nofollow
Optional
Yes
Plugin
No
Blacklist
No
Optional
Plugin
Plugin
CAPTCHA
Yes
Plugin
Plugin
Plugin
Delayed Indexing
No
Optional
Plugin
Plugin
Development/Support EditMe PmWiki TWiki KeheiWiki
# of Consultants
Preconfigured Hosting
N/A
Yes
Yes
No
Code Repository
N/A
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
N/A
N/A
N/A
N/A
Common Features EditMe PmWiki TWiki KeheiWiki
Preview
Yes
Yes
Yes
Optional
Minor Changes
Yes
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
Optional
Plugin System
Yes
Yes
Yes
Yes
Special Features EditMe PmWiki TWiki KeheiWiki
Unicode Support
Yes
Yes
Yes
Yes
Right-to-Left Support
Yes
Optional
No
Unknown
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
19
Bulgarian, Czech, Danish, German, English, Spanish, Finnish, French, Italian, Japanese, Korean, Dutch, Polish, Portuguese, Russian, Swedish, Ukrainian, Chinese, Chinese Traditional
1
English
Email notification
Yes
Optional
Yes
Yes
Comments
Flat
Discussion Pages
Threaded
Threaded
Categories
Yes
Yes
Yes
Yes
Namespaces
No
Yes
Yes
Yes
Conflict Handling
Conflict Resolution
Conflict Resolution
Conflict Resolution
Page Locking
Concurrent Editing
Unknown
Yes
Unknown
Unknown
Search
Full Text
Full Text
Full Text
Full Text
Wiki Farming
N/A
Yes
Optional
Yes
Structured Data
Yes
Yes
Yes
Yes
Links EditMe PmWiki TWiki KeheiWiki
CamelCase
Optional
Optional
Yes
Yes
Freelinks
Yes
Yes
Yes
Yes
Backlinks
No
Yes
Yes
No
InterWiki
No
Yes
Yes
Yes
SisterWiki
No
Plugin
Plugin
No
Image Links
Yes
Yes
Yes
Yes
Windows Shares
Yes
Yes
Plugin
No
Page Redirects
Yes
Yes
Plugin
Yes
Syntax Features EditMe PmWiki TWiki KeheiWiki
HTML Tags
All
Plugin
All
All
Math formulas
No
Plugin
Plugin
No
Tables
complex
simple + complex
simple + complex
complex
CREOLE support
No
Optional
No
Unknown
Markdown Support
No
Plugin
No
Unknown
Textile Support
No
No
Plugin
Optional
BBCode Support
No
Plugin
No
Optional
Emoticon Images
Yes
Plugin
Yes
No
Syntax Highlighting
No
Optional
Plugin
Plugin
Footnotes
No
Plugin
Plugin
No
Quoting
No
Plugin
Yes
Yes
Internal Comments
Yes
Yes
Yes
Yes
Custom styles
Yes
Yes
Yes
Yes
FAQ Tags
No
Yes
Yes
Yes
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
Yes - custom tags, javascript, variables
Content Includes
Yes
Yes
Yes
Yes
Feed Aggregation
No
Plugin
Yes
Yes
Usability EditMe PmWiki TWiki KeheiWiki
Section Editing
No
Plugin
Plugin
Yes
Page Templates
Yes
Yes
Yes
Yes
Double-Click Edit
Yes
Plugin
Plugin
Optional
Toolbar
Yes
Optional
Plugin
Yes
WYSIWYG Editing
Yes
Plugin
Yes
Yes
Access Keys
Yes
Yes
Yes
No
Auto Signature
No
Yes
Yes
Yes
Statistics EditMe PmWiki TWiki KeheiWiki
Recent Changes
Yes
Yes
Yes
Yes
Wanted Pages
No
Optional
No
Plugin
Orphaned Pages
No
Optional
Plugin
Plugin
Most/Least Popular
Yes
No
Yes
No
Recent Visitors
Yes
Plugin
Plugin
No
Analysis
Yes
Plugin
Yes
Plugin
Output EditMe PmWiki TWiki KeheiWiki
Printer Friendly
Print CSS
Print View
Print View
Print View
Mobile Friendly
Optional
Yes
Plugin
Yes
Themes & Skins
Yes
Yes
Yes
Plugin
RSS Feeds
Yes
Optional
Yes
Plugin
ATOM Feeds
No
Optional
Yes
No
Abbreviations
No
Plugin
Plugin
Yes
Auto-TOC
No
Optional
Yes
Yes
Raw Export
Yes
Yes
Yes
Yes
HTML Export
Yes
Plugin
Yes
Yes
XML export
Yes
Plugin
Plugin
No
PDF Export
No
Plugin
Plugin
No
Office Export
Unknown
Plugin
Unknown
Unknown
Media and Files EditMe PmWiki TWiki KeheiWiki
File Attachments
Yes
Optional
Yes
Plugin
Media Revisions
Yes
Optional
Yes
Plugin
Embedded Flash
Yes
Plugin
Plugin
Yes
Embedded Video
Yes
Plugin
Plugin
Yes
Image Editing
No
Plugin
Plugin
No
SVG Editing
No
Plugin
Plugin
No
MindMap Editing
No
Plugin
Plugin
No
Media Search
Contents
Filenames only
Contents
Keywords
Extras EditMe PmWiki TWiki KeheiWiki
Calendar
Plugin
Plugin
Plugin
No
Image Galleries
Plugin
Plugin
Plugin
No
Presentations
Unknown
Plugin
Unknown
Unknown
Forums
Yes
Plugin
Plugin
Yes
Blogs
Yes
Plugin
Plugin
Yes
Ticket System
No
Plugin
Plugin
No
Chat
Unknown
No
Unknown
Unknown
Syntax Examples EditMe PmWiki TWiki KeheiWiki
Internal Link
[[PageName]], or Use WYSIWYG editor
[[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]]
%topic%  ( '%' configurable )
or
<link topic>text</link>
or
use HTML in rich text editor
External Link
[[http://... Link Text]], or Use WYSIWYG editor
http://....
[[http://... | link text]]
[[link text -> http://...]]
http://twiki.org/ autolink
[[http://twiki.org/][label]]
http://gmail.com/
or
<extern http://gmail.com>a mail server</extern>
or
use HTML in rich text editor
Headlines
Use WYSIWYG editor
! Level 1
!!#anchor Level 2
!!! Level 3
---+ Level 1
---++ Level 2
---+++ Level 3
---++++ Level 4
---+++++ Level 5
---++++++ Level 6
text  ----    
or
insert HTML via WYSIWYG editor
Bold Format
Use WYSIWYG editor, Ctl-B
'''bold'''
*bold*
_ text _ 
or
insert HTML via WYSIWYG editor
Italics Format
Use WYSIWYG editor, Ctl-I
''italic''
_italic_
* text *
or
insert HTML via WYSIWYG editor
Underline Format
Use WYSIWYG editor, Ctl-U
{+underlined+}
<u>underline</u>
insert HTML via WYSIWYG editor
Monospace Format
Use WYSIWYG editor
@@monospace@@
=monospaced text= and
<verbatim>
multi line text
</verbatim>
<wiki code>
stuff
</wiki code>
Strikethrough Format
Use WYSIWYG editor
{-strikethrough-}
<strike>strikethrough</strike>
insert HTML via WYSIWYG editor
Superscript Format
Use WYSIWYG editor
'^superscript^'
<sup>superscript</sup>
insert HTML via WYSIWYG editor
Subscript Format
Use WYSIWYG editor
'_subscript_'
<sub>subscript</sub>
insert HTML via WYSIWYG editor
Images
[[ImageName]] or Use WYSIWYG editor
https://foo.bar/foo.jpg
Attach:foo.jpg
Attach:foo.jpg"alt/title text" | Caption
%ATTACHURL%/image.png
http://any.domain/image.png
insert HTML via WYSIWYG editor
Aligning Text
Use WYSIWYG editor
%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
<p align=right> stuff
or
insert HTML via WYSIWYG editor
Text Indentation
Use WYSIWYG editor
-> indented text
--> more indentation
-< hanging text
--< more indentation
<blockquote>
multi line text
</blockquote>
<ul>
stuff
</ul>
or
insert HTML via WYSIWYG editor
Bulleted Lists
Use WYSIWYG editor
* Item 1
** Item 1.1
* Item 2
alternatively, indented:
* item 1
* item 1.1
* item 2
* Item 1
* Item 1.1
* Item 2
* text
or
<!> text
or
insert HTML via WYSIWYG editor
Numbered Lists
Use WYSIWYG editor
# 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
digits. stuff
or
insert HTML via WYSIWYG editor
Definition Lists
Use WYSIWYG editor
: term : definition
$ Term: Definition
term:    definition
or
insert HTML via WYSIWYG editor
Horizontal Rule
Use WYSIWYG editor
----
---
can use plain < HR > tag or
via WYSIWYG editor
remove EditMe remove PmWiki remove TWiki remove KeheiWiki