Instiki vs. ProWiki vs. PukiWiki

General Features Instiki ProWiki PukiWiki
Version
0.30.0
2.0.045
1.5.1
Last Release Date
2019-03-01 (7 years ago)
2006-10-14 (19 years ago)
2016-03-07 (10 years ago)
Last Update here
2019-03-04 (7 years ago)
2009-11-28 (16 years ago)
2016-03-23 (10 years ago)
Author
David Heinemeier Hansson, Jacques Distler, Matthias Tarasiewicz
Helmut Leitner
PukiWiki Development Team
URL
Free and Open Source
Yes
Yes
Yes
License
Ruby's
GPL
GPL version 2 or (at your option) any later version
Programming Language
Ruby on Rails
Perl
PHP
Data Storage
Database
Files
Files
License Cost/ Fee
0
0
0
Development status
Mature
Mature
Mature
Intended Audience
general, education
individual Wiki projects, everybody who needs more than a single wiki for a single purpose
One theme, one PukiWiki
System Requirements Instiki ProWiki PukiWiki
Operating System
UNIX, Windows, MacOS X
Unix / Linux
OS independent
Root Access
No
No
No
Webserver
Thin (included), or Apache/NGinx (via Passenger)
Apache (probably anything supporting CGI)
Apache, IIS, anything with PHP support
Other Requirements
Ruby 2.0-2.6
none
tar with "-p" option, or unzip for install. "mbstring" PHP extension for multi-bite support. backup feature wants 'zip' PHP extension.
Datastorage Instiki ProWiki PukiWiki
Text Files
No
Yes
Yes
MySQL
Yes
No
No
PostgreSQL
Yes
No
No
Oracle
Plugin
No
No
SQLite
Yes
No
No
BerkeleyDB
No
No
No
RCS
No
Yes
No
Other
Any Rails-compatible back-end datastore can be used.
zip-compressed text files for backup (with "zip" PHP extension)
Security/Anti-Spam Instiki ProWiki PukiWiki
Page Permissions
Yes
Yes
Yes
ACL
No
Yes
Yes
Authentication Backends
LDIF strings compatible with OpenLDAP, LDAP
Host Blocking
Yes
Yes
Patch
Mail Encryption
Unknown
No
No
nofollow
Unknown
Yes
Yes
Blacklist
Yes
Yes
Patch
CAPTCHA
Unknown
No
No
Delayed Indexing
Unknown
No
No
Development/Support Instiki ProWiki PukiWiki
# of Consultants
Preconfigured Hosting
No
Yes
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
#pukiwiki
Stars on GitHub
506 ⭐
N/A
N/A
Common Features Instiki ProWiki PukiWiki
Preview
No
Yes
Yes
Minor Changes
Yes
Yes
No
Change Summary
No
Yes
No
Page History
Yes
Yes
Yes
Page Revisions
Unlimited
Unlimited
Restricted by Number
Revision Diffs
Between all
Between all
To current
Sitemap
Yes
Yes
Yes
Plugin System
No
No
Yes
Special Features Instiki ProWiki PukiWiki
Unicode Support
Yes
Yes
Yes
Right-to-Left Support
Yes
No
No
Interface Languages
1
English
8
German, English, Spanish, French, Hungarian, Italian, Japanese, Russian
5
German, English, Japanese, Korean, Twi
Email notification
No
Yes
Yes
Comments
No
No
Plugin
Categories
Yes
Yes
No
Namespaces
No
Yes
No
Conflict Handling
Page Locking
Conflict Resolution
Conflict Detection
Concurrent Editing
Unknown
Unknown
Unknown
Search
Full Text
Full Text
Full Text
Wiki Farming
Yes
Yes
No
Structured Data
No
No
No
Links Instiki ProWiki PukiWiki
CamelCase
Optional
Yes
Yes
Freelinks
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
InterWiki
Yes
Yes
Yes
SisterWiki
No
Yes
No
Image Links
Yes
Yes
Yes
Windows Shares
No
No
Patch
Page Redirects
Yes
Yes
No
Syntax Features Instiki ProWiki PukiWiki
HTML Tags
All
Some
Plugin
Math formulas
Yes
Yes
Plugin
Tables
simple + complex
simple + complex
complex
CREOLE support
No
No
No
Markdown Support
Yes
No
No
Textile Support
Yes
No
No
BBCode Support
No
No
No
Emoticon Images
No
Yes
Yes
Syntax Highlighting
Yes
No
Plugin
Footnotes
Yes
Yes
Yes
Quoting
Yes
Yes
Optional
Internal Comments
Yes
No
Yes
Custom styles
Yes
Yes
Yes
FAQ Tags
No
No
No
Scripting
None
plugins(PHP), skins(PHP), CSSes(PHP,CSS)
Content Includes
Yes
Yes
Plugin
Feed Aggregation
No
No
Plugin
Usability Instiki ProWiki PukiWiki
Section Editing
No
Yes
Patch
Page Templates
No
Yes
Yes
Double-Click Edit
No
No
No
Toolbar
No
No
Patch
WYSIWYG Editing
No
No
No
Access Keys
Yes
No
Yes
Auto Signature
Yes
Yes
No
Statistics Instiki ProWiki PukiWiki
Recent Changes
Yes
Yes
Yes
Wanted Pages
Yes
Yes
Plugin
Orphaned Pages
Yes
Yes
No
Most/Least Popular
No
Yes
Plugin
Recent Visitors
No
No
No
Analysis
No
Yes
No
Output Instiki ProWiki PukiWiki
Printer Friendly
Print View
Print View
Print CSS
Mobile Friendly
Yes
Yes
Optional
Themes & Skins
No
Optional
Yes
RSS Feeds
No
Yes
Plugin
ATOM Feeds
Yes
No
Plugin
Abbreviations
Yes
Yes
No
Auto-TOC
Yes
No
Plugin
Raw Export
Yes
Yes
Plugin
HTML Export
Yes
Yes
No
XML export
No
No
No
PDF Export
No
No
No
Office Export
Unknown
Unknown
Unknown
Media and Files Instiki ProWiki PukiWiki
File Attachments
Yes
Yes
Plugin
Media Revisions
No
No
No
Embedded Flash
No
Yes
Plugin
Embedded Video
Yes
Yes
Plugin
Image Editing
No
No
Plugin
SVG Editing
Yes
Yes
No
MindMap Editing
No
No
No
Media Search
No
No
No
Extras Instiki ProWiki PukiWiki
Calendar
No
Yes
Plugin
Image Galleries
No
No
No
Presentations
Unknown
Unknown
Unknown
Forums
No
No
Optional
Blogs
No
Yes
Optional
Ticket System
No
No
Optional
Chat
Unknown
Unknown
Unknown
Syntax Examples Instiki ProWiki PukiWiki
Internal Link 
[[Some Page]]
[[Some Page|anchor text]]
[[Some Page#anchor]]
[[Some Page#anchor|anchor text]]
 
CamelCase
Wordlinking
{{free link}}
[page labelforlink]
 
PageNameAsWikiName
[[PageName]]
[[link text>PageName]]
External Link 
[another site](http://example.com)
 
http://example.org
InterWiki:page
[some:link labelforlink]
 
http://....
[[link text>http://....]]
[[interwiki:keyphrase]]
[[link text>interwiki:keyphrase]]
Headlines 
#Level 1#
##Level 2##
###Level 3###
####Level 4####
#####Level 5#####
######Level 6######

= Headline 1 =
== Headline 2 =
=== Headline 3 =
==== Headline 4 =
===== Headline 5 =
====== Headline 6 =
 
* Level 1
** Level 2
*** Level 3
Bold Format 
**bold**
 
'''bold'''
 
''bold''
Italics Format 
_italic_, *italic*
 
''italic''
 
'''italic'''
Underline Format 
underlined
{: style='text-decoration:underlined'}
 
<u>underlined</u>
 
%%%underlined%%%
Monospace Format 
`monospace`
 
<tt>monospace</tt>
 
N/A
Strikethrough Format 
<del>strikethrough</del>
strikethrough
{: style='text-decoration:line-through'}
 
[[strike]strikethrough text]
 
%%strikethrough%%
Superscript Format 
<sup>superscript</sup>
 
<sup>text</sup>
 
N/A
Subscript Format 
<sub>subscript</sub>
 
<sub>text</sub>
 
N/A
Images 
![alt text](http://ex.com/image.jpg),
[[image.jpg|alt text:pic]]
 
http://example.org/file.jpg
Upload:file.gif
[[Image]...options...]

#ref(pagename/filename[,option])
&ref(pagename/filename[,option]);
&ref(http://foo.bar/foo.jpg[,option]);
http://foo.bar/foo.jpg
Aligning Text 
p{: style='text-align:left'}
p{: style='text-align:right'}
p{: style='text-align:center'}
p{: style='text-align:justify'}
 
only as part of tables or citations
[align:left|center|right]
 
CENTER:center
RIGHT:right
LEFT:left
Text Indentation 
p
{: style='margin-left:3em'}

> blockquote
 
: indented line
:: indented line
 
N/A
Bulleted Lists 
* Item 1
** Item 1.1
* Item 2
 
* bulleted list
** bulleted list
 
- Item 1
-- Item 1.1
- Item 2
Numbered Lists 
1. Item 1
1. Item 1.1
2. Item 2
 
# numbered list
## numbered list
 
+ Item 1
++ Item 1.1
+ Item 2
Definition Lists 
term
: definition
 
; term: definition
 
:term|definition
Horizontal Rule 
***
 
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remove Instiki remove ProWiki remove PukiWiki