Instiki vs. WackoWiki vs. ProntoWiki

General Features Instiki WackoWiki ProntoWiki
Version
0.30.0
6.2.0
1.0.1
Last Release Date
2019-03-01 (6 years ago)
2025-12-14 (1 month ago)
2026-02-06 (today)
Last Update here
2019-03-04 (6 years ago)
2025-12-13 (1 month ago)
2006-08-23 (19 years ago)
Author
David Heinemeier Hansson, Jacques Distler, Matthias Tarasiewicz
WackoWiki Team
Clay Alberty
URL
Free and Open Source
Yes
Yes
Yes
License
Ruby's
BSD
BSD
Programming Language
Ruby on Rails
PHP
C#
Data Storage
Database
Database
Database
License Cost/ Fee
0
0
Free
Development status
Mature
Mature
Mature
Intended Audience
general, education
Advanced End Users, Developers, End Users/Desktop
System Requirements Instiki WackoWiki ProntoWiki
Operating System
UNIX, Windows, MacOS X
OS Independent
Windows
Root Access
No
No
No
Webserver
Thin (included), or Apache/NGinx (via Passenger)
run with the appserver/webserver of your choice
IIS 5+
Other Requirements
Ruby 2.0-2.6
mod_rewrite (optional)
.NET framework v2.0 or higher
Datastorage Instiki WackoWiki ProntoWiki
Text Files
No
No
Unknown
MySQL
Yes
Yes
Unknown
PostgreSQL
Yes
No
Unknown
Oracle
Plugin
No
Unknown
SQLite
Yes
Yes
Unknown
BerkeleyDB
No
No
Unknown
RCS
No
No
Unknown
Other
Any Rails-compatible back-end datastore can be used.
MariaDB
SQLExpress or SQL 2000 or SQL 2005
Security/Anti-Spam Instiki WackoWiki ProntoWiki
Page Permissions
Yes
Yes
Yes
ACL
No
Yes
No
Authentication Backends
LDAP (patch), ActiveDirectory
.NET Membership platform
Host Blocking
Yes
Optional
No
Mail Encryption
Unknown
Optional
No
nofollow
Unknown
Optional
No
Blacklist
Yes
Yes
No
CAPTCHA
Unknown
Yes
No
Delayed Indexing
Unknown
No
No
Development/Support Instiki WackoWiki ProntoWiki
# of Consultants
Preconfigured Hosting
No
Yes
No
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
510 ⭐
55 ⭐
N/A
Common Features Instiki WackoWiki ProntoWiki
Preview
No
Yes
Yes
Minor Changes
Yes
Yes
No
Change Summary
No
Yes
No
Page History
Yes
Yes
Yes
Page Revisions
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Sitemap
Yes
Yes
Unknown
Plugin System
No
Yes
No
Special Features Instiki WackoWiki ProntoWiki
Unicode Support
Yes
Yes
No
Right-to-Left Support
Yes
Yes
Unknown
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
Email notification
No
Yes
No
Comments
No
Flat
No
Categories
Yes
Yes
Optional
Namespaces
No
Yes
No
Conflict Handling
Page Locking
Page Locking
Concurrent Editing
Unknown
No
Unknown
Search
Full Text
Full Text
Full Text
Wiki Farming
Yes
Patch
Unknown
Structured Data
No
Plugin
Unknown
Links Instiki WackoWiki ProntoWiki
CamelCase
Optional
Optional
Optional
Freelinks
Yes
Yes
Yes
Backlinks
Yes
Yes
No
InterWiki
Yes
Yes
No
SisterWiki
No
No
No
Image Links
Yes
Yes
Optional
Windows Shares
No
Yes
No
Page Redirects
Yes
Yes
Unknown
Syntax Features Instiki WackoWiki ProntoWiki
HTML Tags
All
All
Some
Math formulas
Yes
Plugin
No
Tables
simple + complex
simple
none
CREOLE support
No
No
Unknown
Markdown Support
Yes
No
Unknown
Textile Support
Yes
No
Unknown
BBCode Support
No
Patch
Unknown
Emoticon Images
No
Yes
No
Syntax Highlighting
Yes
Yes
No
Footnotes
Yes
Yes
Optional
Quoting
Yes
Yes
Optional
Internal Comments
Yes
Yes
No
Custom styles
Yes
Yes
Yes
FAQ Tags
No
No
No
Scripting
None
actions (PHP)
Content Includes
Yes
Yes
No
Feed Aggregation
No
Yes
No
Usability Instiki WackoWiki ProntoWiki
Section Editing
No
Yes
No
Page Templates
No
Yes
No
Double-Click Edit
No
Yes
No
Toolbar
No
Yes
Yes
WYSIWYG Editing
No
Plugin
No
Access Keys
Yes
Yes
No
Auto Signature
Yes
Yes
No
Statistics Instiki WackoWiki ProntoWiki
Recent Changes
Yes
Yes
Unknown
Wanted Pages
Yes
Yes
No
Orphaned Pages
Yes
Yes
No
Most/Least Popular
No
Yes
Optional
Recent Visitors
No
Yes
No
Analysis
No
Plugin
No
Output Instiki WackoWiki ProntoWiki
Printer Friendly
Print View
Print View
Mobile Friendly
Yes
Yes
Unknown
Themes & Skins
No
Yes
Yes
RSS Feeds
No
Yes
No
ATOM Feeds
Yes
No
No
Abbreviations
Yes
Patch
No
Auto-TOC
Yes
Yes
No
Raw Export
Yes
Yes
No
HTML Export
Yes
Yes
No
XML export
No
Yes
No
PDF Export
No
Patch
No
Office Export
Unknown
Patch
Unknown
Media and Files Instiki WackoWiki ProntoWiki
File Attachments
Yes
Yes
Yes
Media Revisions
No
No
No
Embedded Flash
No
Yes
Unknown
Embedded Video
Yes
Yes
Unknown
Image Editing
No
No
No
SVG Editing
Yes
No
No
MindMap Editing
No
Plugin
No
Media Search
No
Contents
Extras Instiki WackoWiki ProntoWiki
Calendar
No
Plugin
Unknown
Image Galleries
No
Plugin
Unknown
Presentations
Unknown
Plugin
Unknown
Forums
No
Optional
Unknown
Blogs
No
Optional
Unknown
Ticket System
No
No
Unknown
Chat
Unknown
Patch
Unknown
Syntax Examples Instiki WackoWiki ProntoWiki
Internal Link
[[Some Page]]
[[Some Page|anchor text]]
[[Some Page#anchor]]
[[Some Page#anchor|anchor text]]
[[InternalLink]] 
((InternalLink))
[[InternalLink alternate text]]
CamelCase
[pagename]
External Link
[another site](http://example.com)
https://wackowiki.org
[[https://wackowiki.org WackoWiki]]
[[Wikipedia:WackoWiki]]
{title|url}
Headlines
#Level 1#
##Level 2##
###Level 3###
####Level 4####
#####Level 5#####
######Level 6######
== Level 1 ==
=== Level 2 ===
==== Level 3 ====
===== Level 4 =====
====== Level 5 ======
!, !!, !!!
Bold Format
**bold**
**bold**
**bold**
Italics Format
_italic_, *italic*
//italics//
''italics''
Underline Format
underlined
{: style='text-decoration:underlined'}
__underline__
__under__
Monospace Format
`monospace`
##monospace##
Strikethrough Format
<del>strikethrough</del>
strikethrough
{: style='text-decoration:line-through'}
--strikethrough--
<<strike>> (using custom tags)
Superscript Format
<sup>superscript</sup>
^^superscript^^
<<super>> (using custom tags)
Subscript Format
<sub>subscript</sub>
vvsubscriptvv
<<sub>> (using custom tags)
Images
![alt text](http://ex.com/image.jpg),
[[image.jpg|alt text:pic]]
((image.png))
file:image.png
https://example.com/image.png
{guid} - this is displayed and can be inserted automatically for each image/page
Aligning Text
p{: style='text-align:left'}
p{: style='text-align:right'}
p{: style='text-align:center'}
p{: style='text-align:justify'}
{html}<div align="right">{html}

%%(wacko wrapper="text" wrapper_align="center")
content%%
available through custom tags
Text Indentation
p
{: style='margin-left:3em'}

> blockquote
one
two
multiple spaces -> &nbsp;
Bulleted Lists
* Item 1
** Item 1.1
* Item 2
*one
**One-two
*two
*three
+
++
+++
++++
Numbered Lists
1. Item 1
1. Item 1.1
2. Item 2
1. numbered List
1. numbered List-2
2.#8 numbered List, with break


#
##
###
####
Definition Lists
term
: definition
{html}<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>{html}
Horizontal Rule
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remove Instiki remove WackoWiki remove ProntoWiki