Instiki vs. WikkaWiki

General Features Instiki WikkaWiki
Version
0.30.0
1.4.2
Last Release Date
2019-03-01 (7 years ago)
2020-04-20 (5 years ago)
Last Update here
2019-03-04 (7 years ago)
2020-04-20 (5 years ago)
Author
David Heinemeier Hansson, Jacques Distler, Matthias Tarasiewicz
Wikka Development Team
URL
Free and Open Source
Yes
Yes
License
Ruby's
GPL
Programming Language
Ruby on Rails
PHP
Data Storage
Database
Database
License Cost/ Fee
0
0
Development status
Mature
Mature
Intended Audience
general, education
Individual users (PIM/website backend), development teams (software documentation/knowledge base), organizations and companies (intranet/public website backend)
System Requirements Instiki WikkaWiki
Operating System
UNIX, Windows, MacOS X
any (platform-independent)
Root Access
No
No
Webserver
Thin (included), or Apache/NGinx (via Passenger)
any server with PHP/MySQL support
Other Requirements
Ruby 2.0-2.6
mod_rewrite (optional)
Datastorage Instiki WikkaWiki
Text Files
No
No
MySQL
Yes
Yes
PostgreSQL
Yes
No
Oracle
Plugin
No
SQLite
Yes
Yes
BerkeleyDB
No
No
RCS
No
No
Other
Any Rails-compatible back-end datastore can be used.
No
Security/Anti-Spam Instiki WikkaWiki
Page Permissions
Yes
Yes
ACL
No
Yes
Authentication Backends
Active Directory (patch)
Host Blocking
Yes
Yes
Mail Encryption
Unknown
No
nofollow
Unknown
Yes
Blacklist
Yes
Yes
CAPTCHA
Unknown
Plugin
Delayed Indexing
Unknown
No
Development/Support Instiki WikkaWiki
# of Consultants
Preconfigured Hosting
No
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
506 ⭐
42 ⭐
Common Features Instiki WikkaWiki
Preview
No
Yes
Minor Changes
Yes
No
Change Summary
No
Yes
Page History
Yes
Yes
Page Revisions
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Sitemap
Yes
Yes
Plugin System
No
Yes
Special Features Instiki WikkaWiki
Unicode Support
Yes
Yes
Right-to-Left Support
Yes
Yes
Interface Languages
1
English
0
Email notification
No
Patch
Comments
No
Threaded
Categories
Yes
Yes
Namespaces
No
No
Conflict Handling
Page Locking
Page Locking
Concurrent Editing
Unknown
Yes
Search
Full Text
Full Text
Wiki Farming
Yes
No
Structured Data
No
Plugin
Links Instiki WikkaWiki
CamelCase
Optional
Yes
Freelinks
Yes
Patch
Backlinks
Yes
Yes
InterWiki
Yes
Yes
SisterWiki
No
No
Image Links
Yes
Yes
Windows Shares
No
No
Page Redirects
Yes
Patch
Syntax Features Instiki WikkaWiki
HTML Tags
All
Some
Math formulas
Yes
Plugin
Tables
simple + complex
simple + complex
CREOLE support
No
No
Markdown Support
Yes
No
Textile Support
Yes
No
BBCode Support
No
No
Emoticon Images
No
No
Syntax Highlighting
Yes
Yes
Footnotes
Yes
Plugin
Quoting
Yes
Yes
Internal Comments
Yes
Yes
Custom styles
Yes
Yes
FAQ Tags
No
No
Scripting
None
Extensibility through drop-in plugins
Content Includes
Yes
Yes
Feed Aggregation
No
Yes
Usability Instiki WikkaWiki
Section Editing
No
No
Page Templates
No
Yes
Double-Click Edit
No
Yes
Toolbar
No
Yes
WYSIWYG Editing
No
Plugin
Access Keys
Yes
Patch
Auto Signature
Yes
Patch
Statistics Instiki WikkaWiki
Recent Changes
Yes
Yes
Wanted Pages
Yes
Yes
Orphaned Pages
Yes
Yes
Most/Least Popular
No
Patch
Recent Visitors
No
Patch
Analysis
No
Yes
Output Instiki WikkaWiki
Printer Friendly
Print View
Print CSS
Mobile Friendly
Yes
Unknown
Themes & Skins
No
Yes
RSS Feeds
No
Yes
ATOM Feeds
Yes
Plugin
Abbreviations
Yes
Patch
Auto-TOC
Yes
Yes
Raw Export
Yes
Yes
HTML Export
Yes
Yes
XML export
No
Patch
PDF Export
No
No
Office Export
Unknown
No
Media and Files Instiki WikkaWiki
File Attachments
Yes
Yes
Media Revisions
No
No
Embedded Flash
No
Yes
Embedded Video
Yes
No
Image Editing
No
No
SVG Editing
Yes
No
MindMap Editing
No
Yes
Media Search
No
No
Extras Instiki WikkaWiki
Calendar
No
Plugin
Image Galleries
No
Plugin
Presentations
Unknown
No
Forums
No
No
Blogs
No
Plugin
Ticket System
No
No
Chat
Unknown
No
Syntax Examples Instiki WikkaWiki
Internal Link 
[[Some Page]]
[[Some Page|anchor text]]
[[Some Page#anchor]]
[[Some Page#anchor|anchor text]]
 
CamelCase
[[forced]]
[[forced|This is a link]]
[[forced |日本語]]
External Link 
[another site](http://example.com)
 
http://wikkawiki.org
[[http://wikkawiki.org|Wikka Wiki]]
[[Wikipedia:WikkaWiki]]
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**
Italics Format 
_italic_, *italic*
 
//italic//
Underline Format 
underlined
{: style='text-decoration:underlined'}
 
__underlined__
Monospace Format 
`monospace`
 
##monospaced##
Strikethrough Format 
<del>strikethrough</del>
strikethrough
{: style='text-decoration:line-through'}
 
++Strike through text++
Superscript Format 
<sup>superscript</sup>
 
""<sup>Superscript</sup>""
Subscript Format 
<sub>subscript</sub>
 
""<sub>Subscript</sub>""
Images 
![alt text](http://ex.com/image.jpg),
[[image.jpg|alt text:pic]]
 
http://foo.bar/bar.jpg
{{image url="local.jpg"}}
{{image url="http://foo.bar/bar.jpg"}}
Aligning Text 
p{: style='text-align:left'}
p{: style='text-align:right'}
p{: style='text-align:center'}
p{: style='text-align:justify'}
 
@@Center text@@
<<left floated<<
>>right floated>>
Text Indentation 
p
{: style='margin-left:3em'}

> blockquote
 
(4 spaces or a ~ can replace a tab)
indented
~indented
Bulleted Lists 
* Item 1
** Item 1.1
* Item 2
 
(4 spaces or a ~ can replace a tab)

~- Item 1
~~- Item 1.1
~- Item 2
Numbered Lists 
1. Item 1
1. Item 1.1
2. Item 2
 
(4 spaces or a ~ can replace a tab)

~1) Item 1
~~1) Item 1.1
~1) Item 2

(more options for lists are available)
Definition Lists 
term
: definition
 
""<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>""
Horizontal Rule 
***
 
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remove Instiki remove WikkaWiki