Instiki vs. WackoWiki vs. Confluence

General Features Instiki WackoWiki Confluence
Version
0.30.0
6.2.1
5.2
Last Release Date
2019-03-01 (7 years ago)
2026-03-03 (1 month ago)
2013-08-13 (12 years ago)
Last Update here
2019-03-04 (7 years ago)
2026-03-03 (1 month ago)
2013-08-22 (12 years ago)
Author
David Heinemeier Hansson, Jacques Distler, Matthias Tarasiewicz
WackoWiki Team
Atlassian
URL
Free and Open Source
Yes
Yes
No
License
Ruby's
BSD
Commercial + Free personal/open source project/community use
Programming Language
Ruby on Rails
PHP
Java
Data Storage
Database
Database
Database
License Cost/ Fee
0
0
starting at US $10 installed (unlimited wikis)
Development status
Mature
Mature
Mature
Intended Audience
general, education
Advanced End Users, Developers, End Users/Desktop
Enterprise + Technical Teams
Hosting Features Instiki WackoWiki Confluence
Storage Quota
N/A
N/A
Unlimited
Bandwidth Quota
N/A
N/A
Other Limits
N/A
N/A
No
Topic Restrictions
N/A
N/A
No
Corporate Branding
N/A
N/A
Yes
Own Domain
N/A
N/A
Optional
Ads allowed
N/A
N/A
No
System Requirements Instiki WackoWiki Confluence
Operating System
UNIX, Windows, MacOS X
OS Independent
Windows, Linux and Unix variants
Root Access
No
No
No
Webserver
Thin (included), or Apache/NGinx (via Passenger)
run with the appserver/webserver of your choice
Apache Tomcat
Other Requirements
Ruby 2.0-2.6
mod_rewrite (optional)
Oracle JDK 1.6.0_4+
Datastorage Instiki WackoWiki Confluence
Text Files
No
No
No
MySQL
Yes
Yes
Yes
PostgreSQL
Yes
No
Yes
Oracle
Plugin
No
Yes
SQLite
Yes
Yes
No
BerkeleyDB
No
No
No
RCS
No
No
No
Other
Any Rails-compatible back-end datastore can be used.
MariaDB
Security/Anti-Spam Instiki WackoWiki Confluence
Page Permissions
Yes
Yes
Yes
ACL
No
Yes
Yes
Authentication Backends
LDAP (patch), ActiveDirectory
LDAP, NTLM, Siteminder, CAS and more
Host Blocking
Yes
Optional
No
Mail Encryption
Unknown
Optional
Optional
nofollow
Unknown
Optional
Optional
Blacklist
Yes
Yes
No
CAPTCHA
Unknown
Yes
Yes
Delayed Indexing
Unknown
No
No
Development/Support Instiki WackoWiki Confluence
# of Consultants
Preconfigured Hosting
No
Yes
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
506 ⭐
55 ⭐
N/A
Common Features Instiki WackoWiki Confluence
Preview
No
Yes
Yes
Minor Changes
Yes
Yes
Yes
Change Summary
No
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
No
Yes
Yes
Special Features Instiki WackoWiki Confluence
Unicode Support
Yes
Yes
Yes
Right-to-Left Support
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
15
Danish, German, Greek, English, Spanish, Finnish, French, Hungarian, Japanese, Korean, Portuguese, Russian, Swahili, Chinese, Chinese Traditional
Email notification
No
Yes
Yes
Comments
No
Flat
Threaded
Categories
Yes
Yes
Yes
Namespaces
No
Yes
Yes
Conflict Handling
Page Locking
Page Locking
Conflict Resolution
Concurrent Editing
Unknown
No
Unknown
Search
Full Text
Full Text
Full Text
Wiki Farming
Yes
Patch
Yes
Structured Data
No
Plugin
Plugin
Links Instiki WackoWiki Confluence
CamelCase
Optional
Optional
Yes
Freelinks
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
InterWiki
Yes
Yes
Optional
SisterWiki
No
No
No
Image Links
Yes
Yes
Yes
Windows Shares
No
Yes
Yes
Page Redirects
Yes
Yes
Plugin
Syntax Features Instiki WackoWiki Confluence
HTML Tags
All
All
Optional
Math formulas
Yes
Plugin
Plugin
Tables
simple + complex
simple + complex
simple + complex
CREOLE support
No
No
No
Markdown Support
Yes
No
No
Textile Support
Yes
No
Yes
BBCode Support
No
Patch
No
Emoticon Images
No
Yes
Yes
Syntax Highlighting
Yes
Yes
Yes
Footnotes
Yes
Yes
Plugin
Quoting
Yes
Yes
Yes
Internal Comments
Yes
Yes
Plugin
Custom styles
Yes
Yes
Yes
FAQ Tags
No
No
Yes
Scripting
None
actions (PHP)
Macros, plugins, widgets, JavaScript and more
Content Includes
Yes
Yes
Yes
Feed Aggregation
No
Yes
Yes
Usability Instiki WackoWiki Confluence
Section Editing
No
Yes
No
Page Templates
No
Yes
Yes
Double-Click Edit
No
Yes
No
Toolbar
No
Yes
Yes
WYSIWYG Editing
No
Plugin
Yes
Access Keys
Yes
Yes
Yes
Auto Signature
Yes
Yes
No
Statistics Instiki WackoWiki Confluence
Recent Changes
Yes
Yes
Yes
Wanted Pages
Yes
Yes
Yes
Orphaned Pages
Yes
Yes
Yes
Most/Least Popular
No
Yes
Yes
Recent Visitors
No
Yes
No
Analysis
No
Plugin
Yes
Output Instiki WackoWiki Confluence
Printer Friendly
Print View
Print View
Print CSS
Mobile Friendly
Yes
Yes
Plugin
Themes & Skins
No
Yes
Yes
RSS Feeds
No
Yes
Yes
ATOM Feeds
Yes
No
Yes
Abbreviations
Yes
Patch
No
Auto-TOC
Yes
Yes
Yes
Raw Export
Yes
Yes
Yes
HTML Export
Yes
Yes
Yes
XML export
No
Yes
Yes
PDF Export
No
Patch
Yes
Office Export
Unknown
Patch
Unknown
Media and Files Instiki WackoWiki Confluence
File Attachments
Yes
Yes
Yes
Media Revisions
No
No
Yes
Embedded Flash
No
Yes
Yes
Embedded Video
Yes
Yes
Yes
Image Editing
No
No
Plugin
SVG Editing
Yes
No
Plugin
MindMap Editing
No
Plugin
Plugin
Media Search
No
Contents
Contents
Extras Instiki WackoWiki Confluence
Calendar
No
Plugin
Plugin
Image Galleries
No
Plugin
Yes
Presentations
Unknown
Plugin
Unknown
Forums
No
Optional
Plugin
Blogs
No
Optional
Yes
Ticket System
No
No
Plugin
Chat
Unknown
Patch
Unknown
Syntax Examples Instiki WackoWiki Confluence
Internal Link
[[Some Page]]
[[Some Page|anchor text]]
[[Some Page#anchor]]
[[Some Page#anchor|anchor text]]
[[InternalLink]] 
((InternalLink))
[[InternalLink alternate text]]
CamelCase
[Page Title]
[Link Title|Page Title#anchor]
[~username]
[^attachment.doc]
External Link
[another site](http://example.com)
https://wackowiki.org
[[https://wackowiki.org WackoWiki]]
[[Wikipedia:WackoWiki]]
[http://www.example.com]
[Link Title|http://www.example.com]
[Shortcut Link|PageName@otherwiki]
Headlines
#Level 1#
##Level 2##
###Level 3###
####Level 4####
#####Level 5#####
######Level 6######
== Level 1 ==
=== Level 2 ===
==== Level 3 ====
===== Level 4 =====
====== Level 5 ======
h1. Top Level Heading
h2. Smaller Heading
h6. Smallest Heading
Bold Format
**bold**
**bold**
*bold*
Italics Format
_italic_, *italic*
//italics//
_italics_
Underline Format
underlined
{: style='text-decoration:underlined'}
__underline__
+underline+
Monospace Format
`monospace`
##monospace##
{{monospace}}
Strikethrough Format
<del>strikethrough</del>
strikethrough
{: style='text-decoration:line-through'}
--strikethrough--
-strikethrough-
Superscript Format
<sup>superscript</sup>
^^superscript^^
^superscript^
Subscript Format
<sub>subscript</sub>
,,subscript,,
~subscript~
Images
![alt text](http://ex.com/image.jpg),
[[image.jpg|alt text:pic]]
((image.png))
file:image.png
https://example.com/image.png
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%%
Text Indentation
p
{: style='margin-left:3em'}

> blockquote
one
two
Bulleted Lists
* Item 1
** Item 1.1
* Item 2
*one
**One-two
*two
*three
* 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


# one
## one-two
# two
# three
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 Confluence