TWiki vs. UseMod vs. PmWiki

General Features TWiki UseMod PmWiki
Version
TWiki-6.1.0
1.2.2
2.6.0
Last Release Date
2018-07-16 (7 years ago)
2023-11-10 (2 years ago)
2026-05-16 (25 days ago)
Last Update here
2019-07-19 (6 years ago)
2025-02-25 (1 year ago)
2026-05-16 (25 days ago)
Author
Peter Thoeny, TWiki community
Clifford Adams
Petko Yotov (Original author: Patrick R. Michaud)
URL
Free and Open Source
Yes
Yes
Yes
License
GPL
GPL
GPL2+
Programming Language
Perl, JavaScript
Perl
PHP
Data Storage
Files, RCS
Files
Files
License Cost/ Fee
N/A
0
0
Development status
Mature
Mature
Mature
Intended Audience
Large enterprise; small to medium businesses
All
System Requirements TWiki UseMod PmWiki
Operating System
Linux, Windows, OS-X and other
Linux, Windows, MacOS X
Linux, UNIX, Windows, MacOS X, probably others
Root Access
No
No
No
Webserver
Almost any webserver, typically Apache and Ngnix
Apache, probably anything with CGI support
Apache, IIS, anything with PHP support. Can also be run with PHP's built-in webserver.
Other Requirements
RCS (optional), cron/scheduler, fgrep, egrep; Plugins may have additional dependencies
none
Datastorage TWiki UseMod PmWiki
Text Files
Yes
Yes
Yes
MySQL
No
No
Plugin
PostgreSQL
No
No
No
Oracle
No
No
No
SQLite
No
No
Plugin
BerkeleyDB
No
No
No
RCS
Yes
No
Plugin
Other
RcsLite Perl library for version control without external RCS; backend API for other storage
No
Compressed, XML and/or ephemeral files (modules). Can provide custom data backends.
Security/Anti-Spam TWiki UseMod PmWiki
Page Permissions
Yes
Yes
Yes
ACL
Yes
No
Yes
Authentication Backends
Internal authentication; anything Apache supports such as LDAP, NIS, AD, Kerberos
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
Plugin
Yes
Optional
Mail Encryption
Yes
Unknown
Optional
nofollow
Plugin
Patch
Yes
Blacklist
Plugin
Patch
Optional
CAPTCHA
Plugin
No
Plugin
Delayed Indexing
Plugin
No
Optional
Development/Support TWiki UseMod PmWiki
# of Consultants
Preconfigured Hosting
Yes
No
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
N/A
N/A
N/A
Common Features TWiki UseMod 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
No
Yes
Special Features TWiki UseMod PmWiki
Unicode Support
Yes
Yes
Yes
Right-to-Left Support
No
Unknown
Optional
Interface Languages
19
Bulgarian, Czech, Danish, German, English, Spanish, Finnish, French, Italian, Japanese, Korean, Dutch, Polish, Portuguese, Russian, Swedish, Ukrainian, Chinese, Chinese Traditional
0
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
Unknown
Optional
Comments
Threaded
No
Discussion Pages
Categories
Yes
Unknown
Yes
Namespaces
Yes
Unknown
Yes
Conflict Handling
Conflict Resolution
Conflict Detection
Conflict Resolution
Concurrent Editing
Unknown
No
Yes
Search
Full Text
Full Text
Full Text
Wiki Farming
Optional
Unknown
Yes
Structured Data
Yes
Unknown
Yes
Links TWiki UseMod PmWiki
CamelCase
Yes
Optional
Optional
Freelinks
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
InterWiki
Yes
Yes
Yes
SisterWiki
Plugin
Yes
Plugin
Image Links
Yes
Yes
Yes
Windows Shares
Plugin
No
Yes
Page Redirects
Plugin
Yes
Yes
Syntax Features TWiki UseMod PmWiki
HTML Tags
All
Some
Plugin
Math formulas
Plugin
No
Plugin
Tables
simple + complex
simple
simple + complex
CREOLE support
No
Unknown
Optional
Markdown Support
No
No
Plugin
Textile Support
Plugin
No
No
BBCode Support
No
No
Plugin
Emoticon Images
Yes
No
Plugin
Syntax Highlighting
Plugin
No
Optional
Footnotes
Plugin
No
Plugin
Quoting
Yes
No
Plugin
Internal Comments
Yes
No
Yes
Custom styles
Yes
No
Yes
FAQ Tags
Yes
No
Yes
Scripting
TWiki Markup Language, TWiki variables, JavaScript, extensive API
None
MarkupExpressions (core, many add-ons). PageLists with templates (core structured data scripting). WikiSh (plugin), Data forms (optional)
Content Includes
Yes
Unknown
Yes
Feed Aggregation
Yes
Unknown
Plugin
Usability TWiki UseMod PmWiki
Section Editing
Plugin
No
Plugin
Page Templates
Yes
No
Yes
Double-Click Edit
Plugin
No
Plugin
Toolbar
Plugin
No
Optional
WYSIWYG Editing
Yes
No
Plugin
Access Keys
Yes
Unknown
Yes
Auto Signature
Yes
No
Yes
Statistics TWiki UseMod PmWiki
Recent Changes
Yes
Yes
Yes
Wanted Pages
No
Patch
Optional
Orphaned Pages
Plugin
Patch
Optional
Most/Least Popular
Yes
No
No
Recent Visitors
Plugin
No
Plugin
Analysis
Yes
No
Plugin
Output TWiki UseMod PmWiki
Printer Friendly
Print View
No
Print View
Mobile Friendly
Plugin
Unknown
Yes
Themes & Skins
Yes
No
Yes
RSS Feeds
Yes
Yes
Optional
ATOM Feeds
Yes
No
Optional
Abbreviations
Plugin
No
Plugin
Auto-TOC
Yes
Yes
Optional
Raw Export
Yes
No
Yes
HTML Export
Yes
No
Plugin
XML export
Plugin
No
Plugin
PDF Export
Plugin
No
Plugin
Office Export
Unknown
Unknown
Plugin
Media and Files TWiki UseMod PmWiki
File Attachments
Yes
Optional
Optional
Media Revisions
Yes
No
Optional
Embedded Flash
Plugin
No
Plugin
Embedded Video
Plugin
No
Plugin
Image Editing
Plugin
Unknown
Plugin
SVG Editing
Plugin
Unknown
Plugin
MindMap Editing
Plugin
Unknown
Plugin
Media Search
Contents
No
Filenames only
Extras TWiki UseMod PmWiki
Calendar
Plugin
Unknown
Plugin
Image Galleries
Plugin
Unknown
Plugin
Presentations
Unknown
Unknown
Plugin
Forums
Plugin
Unknown
Plugin
Blogs
Plugin
Unknown
Plugin
Ticket System
Plugin
Unknown
Plugin
Chat
Unknown
Unknown
No
Syntax Examples TWiki UseMod PmWiki
Internal Link
WikiWord autolink
Otherweb.WikiWord
[[Spaced text]]
[[WikiWord][label]]
[[page name]]
[[page name | link text]]
[[link text -> page name]]
[[#anchor]]
[[#anchor|link to anchor]]
[[page name #anchor]]
External Link
http://twiki.org/ autolink
[[http://twiki.org/][label]]
http://....
[[http://... | link text]]
[[link text -> http://...]]
Headlines
---+ Level 1
---++ Level 2
---+++ Level 3
---++++ Level 4
---+++++ Level 5
---++++++ Level 6
= Level 1 =
== Level 2 ==
=== Level 3 ===
==== Level 4 ====
===== Level 5 =====
====== Level 6 ======
! Level 1
!!#anchor Level 2
!!! Level 3
Bold Format
*bold*
'''bold'''
'''bold'''
Italics Format
_italic_
''italic''
''italic''
Underline Format
<u>underline</u>
<u>underline</u>
{+underlined+}
Monospace Format
=monospaced text= and
<verbatim>
multi line text
</verbatim>
<tt>for monospace text</tt>
@@monospace@@
Strikethrough Format
<strike>strikethrough</strike>
N/A
{-strikethrough-}
Superscript Format
<sup>superscript</sup>
<sup>superscript</sup>
'^superscript^'
Subscript Format
<sub>subscript</sub>
<sub>subscript</sub>
'_subscript_'
Images
%ATTACHURL%/image.png
http://any.domain/image.png
http://url.com/pic.gif
https://foo.bar/foo.jpg
Attach:foo.jpg
Attach:foo.jpg"alt/title text" | Caption
Aligning Text
| left |   center   |   right |
or HTML
or CSS
N/A
%center% centered text
%right% right aligned
%lfloat% left floating text
%rfloat% right floating text
%rframe% right floating frame
%lframe% left floating frame
Text Indentation
<blockquote>
multi line text
</blockquote>
: indented
-> indented text
--> more indentation
-< hanging text
--< more indentation
Bulleted Lists
* Item 1
* Item 1.1
* Item 2
* Item 1
** Item 1.1
* Item 2
* Item 1
** Item 1.1
* Item 2
alternatively, indented:
* item 1
* item 1.1
* item 2
Numbered Lists
1. Item 1
a. Item 1.a
1. Item 2
# Item 1
## Item 1.1
# Item 2
# Item 1
## Item 1.1
# Item 2
alternatively, indented:
# Item 1
# Item 1.1
# Item 2
Definition Lists
$ Term: Definition
;Term:Definition
: term : definition
Horizontal Rule
---
----
----
remove TWiki remove UseMod remove PmWiki