WackoWiki vs. Instiki vs. PmWiki

General Features WackoWiki Instiki PmWiki
Version
6.1.25
0.30.0
2.3.33
Last Release Date
2024-04-11 (1 month ago)
2019-02-28 (5 years ago)
2024-04-20 (21 days ago)
Last Update here
2024-04-11 (1 month ago)
2019-03-04 (5 years ago)
2024-04-21 (20 days ago)
Author
WackoWiki Team
David Heinemeier Hansson, Jacques Distler, Matthias Tarasiewicz
Petko Yotov (Original author: Patrick R. Michaud)
URL
Free and Open Source
Yes
Yes
Yes
License
BSD
Ruby's
GPL2+
Programming Language
PHP
Ruby on Rails
PHP
Data Storage
Database
Database
Files
License Cost/ Fee
0
0
0
Development status
Mature
Mature
Mature
Intended Audience
Advanced End Users, Developers, End Users/Desktop
general, education
All
System Requirements WackoWiki Instiki PmWiki
Operating System
OS Independent
UNIX, Windows, MacOS X
Linux, UNIX, Windows, MacOS X, probably others
Root Access
No
No
No
Webserver
run with the appserver/webserver of your choice
Thin (included), or Apache/NGinx (via Passenger)
Apache, IIS, anything with PHP support. Can also be run w/o a webserver.
Other Requirements
mod_rewrite (optional)
Ruby 2.0-2.6
none
Datastorage WackoWiki Instiki PmWiki
Text Files
No
No
Yes
MySQL
Yes
Yes
Plugin
PostgreSQL
No
Yes
No
Oracle
No
Plugin
No
SQLite
No
Yes
Plugin
BerkeleyDB
No
No
No
RCS
No
No
Plugin
Other
MariaDB
Any Rails-compatible back-end datastore can be used.
Compressed, XML and/or ephemeral files (modules). Can provide custom data backends.
Security/Anti-Spam WackoWiki Instiki PmWiki
Page Permissions
Yes
Yes
Yes
ACL
Yes
No
Yes
Authentication Backends
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
Optional
Yes
Optional
Mail Encryption
Optional
Unknown
Optional
nofollow
Optional
Unknown
Yes
Blacklist
Yes
Yes
Optional
CAPTCHA
Yes
Unknown
Plugin
Delayed Indexing
No
Unknown
Optional
Development/Support WackoWiki Instiki PmWiki
# of Consultants
Preconfigured Hosting
Yes
No
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
32 ⭐
478 ⭐
N/A
Common Features WackoWiki Instiki PmWiki
Preview
Yes
No
Yes
Minor Changes
Yes
Yes
Yes
Change Summary
Yes
No
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 WackoWiki Instiki PmWiki
Unicode Support
Yes
Yes
Yes
Right-to-Left Support
Yes
Yes
Optional
Interface Languages
20
Bulgarian, Danish, German, Greek, English, Spanish, Estonian, Persian, French, Hindi, Hungarian, Italian, Japanese, Korean, Dutch, Polish, Portuguese, Russian, Chinese, Chinese Traditional
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
Email notification
Yes
No
Optional
Comments
Flat
No
Discussion Pages
Categories
Yes
Yes
Yes
Namespaces
Yes
No
Yes
Conflict Handling
Page Locking
Page Locking
Conflict Resolution
Concurrent Editing
No
Unknown
Yes
Search
Full Text
Full Text
Full Text
Wiki Farming
Patch
Yes
Yes
Structured Data
Plugin
No
Yes
Links WackoWiki Instiki PmWiki
CamelCase
Optional
Optional
Optional
Freelinks
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
InterWiki
Yes
Yes
Yes
SisterWiki
No
No
Plugin
Image Links
Yes
Yes
Yes
Windows Shares
Yes
No
Yes
Page Redirects
Yes
Yes
Yes
Syntax Features WackoWiki Instiki PmWiki
HTML Tags
All
All
Plugin
Math formulas
Plugin
Yes
Plugin
Tables
simple
simple + complex
simple + complex
CREOLE support
No
No
Optional
Markdown Support
No
Yes
Plugin
Textile Support
No
Yes
No
BBCode Support
Patch
No
Plugin
Emoticon Images
Yes
No
Plugin
Syntax Highlighting
Yes
Yes
Optional
Footnotes
Yes
Yes
Plugin
Quoting
Yes
Yes
Plugin
Internal Comments
Yes
Yes
Yes
Custom styles
Yes
Yes
Yes
FAQ Tags
No
No
Yes
Scripting
actions (PHP)
None
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
No
Plugin
Usability WackoWiki Instiki PmWiki
Section Editing
Yes
No
Plugin
Page Templates
Yes
No
Yes
Double-Click Edit
Yes
No
Plugin
Toolbar
Yes
No
Optional
WYSIWYG Editing
Plugin
No
Plugin
Access Keys
Yes
Yes
Yes
Auto Signature
Yes
Yes
Yes
Statistics WackoWiki Instiki PmWiki
Recent Changes
Yes
Yes
Yes
Wanted Pages
Yes
Yes
Optional
Orphaned Pages
Yes
Yes
Optional
Most/Least Popular
Yes
No
No
Recent Visitors
Yes
No
Plugin
Analysis
Plugin
No
Plugin
Output WackoWiki Instiki PmWiki
Printer Friendly
Print View
Print View
Print View
Mobile Friendly
Yes
Yes
Yes
Themes & Skins
Yes
No
Yes
RSS Feeds
Yes
No
Optional
ATOM Feeds
No
Yes
Optional
Abbreviations
Patch
Yes
Plugin
Auto-TOC
Yes
Yes
Optional
Raw Export
Yes
Yes
Yes
HTML Export
Yes
Yes
Plugin
XML export
Yes
No
Plugin
PDF Export
Patch
No
Plugin
Office Export
Patch
Unknown
Plugin
Media and Files WackoWiki Instiki PmWiki
File Attachments
Yes
Yes
Optional
Media Revisions
No
No
Optional
Embedded Flash
Yes
No
Plugin
Embedded Video
Yes
Yes
Plugin
Image Editing
No
No
Plugin
SVG Editing
No
Yes
No
MindMap Editing
Plugin
No
Plugin
Media Search
Contents
No
Filenames only
Extras WackoWiki Instiki PmWiki
Calendar
Plugin
No
Plugin
Image Galleries
Plugin
No
Plugin
Presentations
Plugin
Unknown
Plugin
Forums
Optional
No
Plugin
Blogs
Optional
No
Plugin
Ticket System
No
No
Plugin
Chat
Patch
Unknown
No
Syntax Examples WackoWiki Instiki PmWiki
Internal Link
[[InternalLink]] 
((InternalLink))
[[InternalLink alternate text]]
CamelCase
[[Some Page]]
[[Some Page|anchor text]]
[[Some Page#anchor]]
[[Some Page#anchor|anchor text]]
[[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]]
[another site](http://example.com)
http://....
[[http://... | link text]]
[[link text -> http://...]]
Headlines
== Level 1 ==
=== Level 2 ===
==== Level 3 ====
===== Level 4 =====
====== Level 5 ======
#Level 1#
##Level 2##
###Level 3###
####Level 4####
#####Level 5#####
######Level 6######
! Level 1
!! Level 2
!!! Level 3
Bold Format
**bold**
**bold**
'''bold'''
Italics Format
//italics//
_italic_, *italic*
''italic''
Underline Format
__underline__
underlined
{: style='text-decoration:underlined'}
{+underlined+}
Monospace Format
##monospace##
`monospace`
@@monospace@@
Strikethrough Format
--strikethrough--
<del>strikethrough</del>
strikethrough
{: style='text-decoration:line-through'}
{-strikethrough-}
Superscript Format
^^superscript^^
<sup>superscript</sup>
'^superscript^'
Subscript Format
vvsubscriptvv
<sub>subscript</sub>
'_subscript_'
Images
((image.png))
file:image.png
https://example.com/image.png
![alt text](http://ex.com/image.jpg),
[[image.jpg|alt text:pic]]
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%%
p{: style='text-align:left'}
p{: style='text-align:right'}
p{: style='text-align:center'}
p{: style='text-align:justify'}
%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
p
{: style='margin-left:3em'}

> blockquote
-> indented text
--> more indentation
-< hanging text
--< more indentation
Bulleted Lists
*one
**One-two
*two
*three
* 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. numbered List
1. numbered List-2
2.#8 numbered List, with break


1. Item 1
1. Item 1.1
2. Item 2
# 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
: term : definition
Horizontal Rule
----
***
----
remove WackoWiki remove Instiki remove PmWiki