ProntoWiki vs. WackoWiki vs. Instiki vs. PhpWiki

General Features ProntoWiki WackoWiki Instiki PhpWiki
Version
1.0.1
6.2.0
0.30.0
phpwiki-1.3.14
Last Release Date
2026-01-30 (today)
2025-12-14 (1 month ago)
2019-03-01 (6 years ago)
2007-07-01 (18 years ago)
Last Update here
2006-08-23 (19 years ago)
2025-12-13 (1 month ago)
2019-03-04 (6 years ago)
2009-04-03 (16 years ago)
Author
Clay Alberty
WackoWiki Team
David Heinemeier Hansson, Jacques Distler, Matthias Tarasiewicz
Steve Wainstead, Jeff Dairiki, Reini Urban, Carsten Klapp, Marc-Etienne Vargenau
URL
Free and Open Source
Yes
Yes
Yes
Yes
License
BSD
BSD
Ruby's
GPL
Programming Language
C#
PHP
Ruby on Rails
PHP
Data Storage
Database
Database
Database
Database, Files, RCS
License Cost/ Fee
Free
0
0
0
Development status
Mature
Mature
Mature
Mature
Intended Audience
Advanced End Users, Developers, End Users/Desktop
general, education
Any
System Requirements ProntoWiki WackoWiki Instiki PhpWiki
Operating System
Windows
OS Independent
UNIX, Windows, MacOS X
UNIX, Windows, MacOS X, probably others
Root Access
No
No
No
No
Webserver
IIS 5+
run with the appserver/webserver of your choice
Thin (included), or Apache/NGinx (via Passenger)
Apache, IIS, anything with PHP support
Other Requirements
.NET framework v2.0 or higher
mod_rewrite (optional)
Ruby 2.0-2.6
various opt. helpers
Datastorage ProntoWiki WackoWiki Instiki PhpWiki
Text Files
Unknown
No
No
Yes
MySQL
Unknown
Yes
Yes
Yes
PostgreSQL
Unknown
No
Yes
Yes
Oracle
Unknown
No
Plugin
Yes
SQLite
Unknown
Yes
Yes
Yes
BerkeleyDB
Unknown
No
No
Yes
RCS
Unknown
No
No
Yes
Other
SQLExpress or SQL 2000 or SQL 2005
MariaDB
Any Rails-compatible back-end datastore can be used.
gdbm, cvs, MSSQL, ... (ADODB, PearDB)
Security/Anti-Spam ProntoWiki WackoWiki Instiki PhpWiki
Page Permissions
Yes
Yes
Yes
Yes
ACL
No
Yes
No
Yes
Authentication Backends
.NET Membership platform
LDAP (patch), ActiveDirectory
db, session, pop, imap, ldap, file, webserver
Host Blocking
No
Optional
Yes
No
Mail Encryption
No
Optional
Unknown
No
nofollow
No
Optional
Unknown
Yes
Blacklist
No
Yes
Yes
Yes
CAPTCHA
No
Yes
Unknown
Yes
Delayed Indexing
No
No
Unknown
No
Development/Support ProntoWiki WackoWiki Instiki PhpWiki
# of Consultants
Preconfigured Hosting
No
Yes
No
No
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
#phpwiki
Stars on GitHub
N/A
54 ⭐
510 ⭐
N/A
Common Features ProntoWiki WackoWiki Instiki PhpWiki
Preview
Yes
Yes
No
Yes
Minor Changes
No
Yes
Yes
Yes
Change Summary
No
Yes
No
Yes
Page History
Yes
Yes
Yes
Yes
Page Revisions
Unlimited
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Between all
Sitemap
Unknown
Yes
Yes
Yes
Plugin System
No
Yes
No
Yes
Special Features ProntoWiki WackoWiki Instiki PhpWiki
Unicode Support
No
Yes
Yes
Yes
Right-to-Left Support
Unknown
Yes
Yes
No
Interface Languages
1
English
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
1
English
9
German, English, Spanish, French, Italian, Japanese, Dutch, Swedish, Chinese Traditional
Email notification
No
Yes
No
Yes
Comments
No
Flat
No
Plugin
Categories
Optional
Yes
Yes
Yes
Namespaces
No
Yes
No
No
Conflict Handling
Page Locking
Page Locking
Conflict Resolution
Concurrent Editing
Unknown
No
Unknown
Unknown
Search
Full Text
Full Text
Full Text
Full Text
Wiki Farming
Unknown
Patch
Yes
Yes
Structured Data
Unknown
Plugin
No
Patch
Links ProntoWiki WackoWiki Instiki PhpWiki
CamelCase
Optional
Optional
Optional
Yes
Freelinks
Yes
Yes
Yes
Yes
Backlinks
No
Yes
Yes
Yes
InterWiki
No
Yes
Yes
Yes
SisterWiki
No
No
No
No
Image Links
Optional
Yes
Yes
Yes
Windows Shares
No
Yes
No
Yes
Page Redirects
Unknown
Yes
Yes
Yes
Syntax Features ProntoWiki WackoWiki Instiki PhpWiki
HTML Tags
Some
All
All
Some
Math formulas
No
Plugin
Yes
Plugin
Tables
none
simple
simple + complex
simple + complex
CREOLE support
Unknown
No
No
No
Markdown Support
Unknown
No
Yes
No
Textile Support
Unknown
No
Yes
No
BBCode Support
Unknown
Patch
No
No
Emoticon Images
No
Yes
No
No
Syntax Highlighting
No
Yes
Yes
Plugin
Footnotes
Optional
Yes
Yes
Yes
Quoting
Optional
Yes
Yes
Yes
Internal Comments
No
Yes
Yes
Yes
Custom styles
Yes
Yes
Yes
Yes
FAQ Tags
No
No
No
No
Scripting
actions (PHP)
None
plugins, templates, PHP
Content Includes
No
Yes
Yes
Yes
Feed Aggregation
No
Yes
No
Yes
Usability ProntoWiki WackoWiki Instiki PhpWiki
Section Editing
No
Yes
No
No
Page Templates
No
Yes
No
Yes
Double-Click Edit
No
Yes
No
Optional
Toolbar
Yes
Yes
No
Yes
WYSIWYG Editing
No
Plugin
No
Patch
Access Keys
No
Yes
Yes
Yes
Auto Signature
No
Yes
Yes
Yes
Statistics ProntoWiki WackoWiki Instiki PhpWiki
Recent Changes
Unknown
Yes
Yes
Yes
Wanted Pages
No
Yes
Yes
Yes
Orphaned Pages
No
Yes
Yes
Yes
Most/Least Popular
Optional
Yes
No
Yes
Recent Visitors
No
Yes
No
Yes
Analysis
No
Plugin
No
Plugin
Output ProntoWiki WackoWiki Instiki PhpWiki
Printer Friendly
Print View
Print View
Print CSS
Mobile Friendly
Unknown
Yes
Yes
No
Themes & Skins
Yes
Yes
No
Yes
RSS Feeds
No
Yes
No
Yes
ATOM Feeds
No
No
Yes
No
Abbreviations
No
Patch
Yes
No
Auto-TOC
No
Yes
Yes
Yes
Raw Export
No
Yes
Yes
Yes
HTML Export
No
Yes
Yes
Yes
XML export
No
Yes
No
No
PDF Export
No
Patch
No
Yes
Office Export
Unknown
Patch
Unknown
Unknown
Media and Files ProntoWiki WackoWiki Instiki PhpWiki
File Attachments
Yes
Yes
Yes
Yes
Media Revisions
No
No
No
Yes
Embedded Flash
Unknown
Yes
No
Yes
Embedded Video
Unknown
Yes
Yes
Yes
Image Editing
No
No
No
No
SVG Editing
No
No
Yes
No
MindMap Editing
No
Plugin
No
No
Media Search
Contents
No
No
Extras ProntoWiki WackoWiki Instiki PhpWiki
Calendar
Unknown
Plugin
No
Yes
Image Galleries
Unknown
Plugin
No
Yes
Presentations
Unknown
Plugin
Unknown
Unknown
Forums
Unknown
Optional
No
Yes
Blogs
Unknown
Optional
No
Yes
Ticket System
Unknown
No
No
No
Chat
Unknown
Patch
Unknown
Unknown
Syntax Examples ProntoWiki WackoWiki Instiki PhpWiki
Internal Link
[pagename]
[[InternalLink]] 
((InternalLink))
[[InternalLink alternate text]]
CamelCase
[[Some Page]]
[[Some Page|anchor text]]
[[Some Page#anchor]]
[[Some Page#anchor|anchor text]]
WikiWord or [somelink]
[ desc | pagename ]
External Link
{title|url}
https://wackowiki.org
[[https://wackowiki.org WackoWiki]]
[[Wikipedia:WackoWiki]]
[another site](http://example.com)
http://someserver/someurl
[ desc | exturl ]
Headlines
!, !!, !!!
== Level 1 ==
=== Level 2 ===
==== Level 3 ====
===== Level 4 =====
====== Level 5 ======
#Level 1#
##Level 2##
###Level 3###
####Level 4####
#####Level 5#####
######Level 6######
!!!Headline1
!!Headline2
!Headline3
Bold Format
**bold**
**bold**
**bold**
*bold* or
<strong>bold</strong>
Italics Format
''italics''
//italics//
_italic_, *italic*
_italics_ or 
or
<em>italics</em>
Underline Format
__under__
__underline__
underlined
{: style='text-decoration:underlined'}
<u>underlined</u>
Monospace Format
##monospace##
`monospace`
<tt>monospace</tt>
<code>code</code>
<pre>preformatted</pre>
<verbatim>
unparsed text</verbatim>


Strikethrough Format
<<strike>> (using custom tags)
--strikethrough--
<del>strikethrough</del>
strikethrough
{: style='text-decoration:line-through'}
<strike>striked through</strike>
Superscript Format
<<super>> (using custom tags)
^^superscript^^
<sup>superscript</sup>
<sup>above</sup>
Subscript Format
<<sub>> (using custom tags)
vvsubscriptvv
<sub>subscript</sub>
<sub>below</sub>
Images
{guid} - this is displayed and can be inserted automatically for each image/page
((image.png))
file:image.png
https://example.com/image.png
![alt text](http://ex.com/image.jpg),
[[image.jpg|alt text:pic]]
[ http://foo.org/1.jpg size=30%] 
external image
[Upload:view.jpg align=right size=50x40] 
view uploaded image
[Upload:view.jpg | http://server/external-linkjpg ] 
view and link to another image
Aligning Text
available through custom tags
{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'}
<?plugin RawHtml <span align="right"> ?>right<?plugin RawHtml </span> ?>
or <div align="right"> right </div>

Text Indentation
multiple spaces -> &nbsp;
one
two
p
{: style='margin-left:3em'}

> blockquote
;: left indent
;;: more left indent

or 
paragraph
and another level 
Bulleted Lists
+
++
+++
++++
*one
**One-two
*two
*three
* Item 1
** Item 1.1
* Item 2
* list
or
- list
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
# list
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:<def>
def
Horizontal Rule
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***
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remove ProntoWiki remove WackoWiki remove Instiki remove PhpWiki