ProntoWiki vs. Confluence vs. Instiki

General Features ProntoWiki Confluence Instiki
Version
1.0.1
5.2
0.30.0
Last Release Date
2026-04-30 (today)
2013-08-13 (12 years ago)
2019-03-01 (7 years ago)
Last Update here
2006-08-23 (19 years ago)
2013-08-22 (12 years ago)
2019-03-04 (7 years ago)
Author
Clay Alberty
Atlassian
David Heinemeier Hansson, Jacques Distler, Matthias Tarasiewicz
URL
Free and Open Source
Yes
No
Yes
License
BSD
Commercial + Free personal/open source project/community use
Ruby's
Programming Language
C#
Java
Ruby on Rails
Data Storage
Database
Database
Database
License Cost/ Fee
Free
starting at US $10 installed (unlimited wikis)
0
Development status
Mature
Mature
Mature
Intended Audience
Enterprise + Technical Teams
general, education
Hosting Features ProntoWiki Confluence Instiki
Storage Quota
N/A
Unlimited
N/A
Bandwidth Quota
N/A
N/A
Other Limits
N/A
No
N/A
Topic Restrictions
N/A
No
N/A
Corporate Branding
N/A
Yes
N/A
Own Domain
N/A
Optional
N/A
Ads allowed
N/A
No
N/A
System Requirements ProntoWiki Confluence Instiki
Operating System
Windows
Windows, Linux and Unix variants
UNIX, Windows, MacOS X
Root Access
No
No
No
Webserver
IIS 5+
Apache Tomcat
Thin (included), or Apache/NGinx (via Passenger)
Other Requirements
.NET framework v2.0 or higher
Oracle JDK 1.6.0_4+
Ruby 2.0-2.6
Datastorage ProntoWiki Confluence Instiki
Text Files
Unknown
No
No
MySQL
Unknown
Yes
Yes
PostgreSQL
Unknown
Yes
Yes
Oracle
Unknown
Yes
Plugin
SQLite
Unknown
No
Yes
BerkeleyDB
Unknown
No
No
RCS
Unknown
No
No
Other
SQLExpress or SQL 2000 or SQL 2005
Any Rails-compatible back-end datastore can be used.
Security/Anti-Spam ProntoWiki Confluence Instiki
Page Permissions
Yes
Yes
Yes
ACL
No
Yes
No
Authentication Backends
.NET Membership platform
LDAP, NTLM, Siteminder, CAS and more
Host Blocking
No
No
Yes
Mail Encryption
No
Optional
Unknown
nofollow
No
Optional
Unknown
Blacklist
No
No
Yes
CAPTCHA
No
Yes
Unknown
Delayed Indexing
No
No
Unknown
Development/Support ProntoWiki Confluence Instiki
# of Consultants
Preconfigured Hosting
No
Yes
No
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
N/A
N/A
506 ⭐
Common Features ProntoWiki Confluence Instiki
Preview
Yes
Yes
No
Minor Changes
No
Yes
Yes
Change Summary
No
Yes
No
Page History
Yes
Yes
Yes
Page Revisions
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Sitemap
Unknown
Yes
Yes
Plugin System
No
Yes
No
Special Features ProntoWiki Confluence Instiki
Unicode Support
No
Yes
Yes
Right-to-Left Support
Unknown
No
Yes
Interface Languages
1
English
15
Danish, German, Greek, English, Spanish, Finnish, French, Hungarian, Japanese, Korean, Portuguese, Russian, Swahili, Chinese, Chinese Traditional
1
English
Email notification
No
Yes
No
Comments
No
Threaded
No
Categories
Optional
Yes
Yes
Namespaces
No
Yes
No
Conflict Handling
Conflict Resolution
Page Locking
Concurrent Editing
Unknown
Unknown
Unknown
Search
Full Text
Full Text
Full Text
Wiki Farming
Unknown
Yes
Yes
Structured Data
Unknown
Plugin
No
Links ProntoWiki Confluence Instiki
CamelCase
Optional
Yes
Optional
Freelinks
Yes
Yes
Yes
Backlinks
No
Yes
Yes
InterWiki
No
Optional
Yes
SisterWiki
No
No
No
Image Links
Optional
Yes
Yes
Windows Shares
No
Yes
No
Page Redirects
Unknown
Plugin
Yes
Syntax Features ProntoWiki Confluence Instiki
HTML Tags
Some
Optional
All
Math formulas
No
Plugin
Yes
Tables
none
simple + complex
simple + complex
CREOLE support
Unknown
No
No
Markdown Support
Unknown
No
Yes
Textile Support
Unknown
Yes
Yes
BBCode Support
Unknown
No
No
Emoticon Images
No
Yes
No
Syntax Highlighting
No
Yes
Yes
Footnotes
Optional
Plugin
Yes
Quoting
Optional
Yes
Yes
Internal Comments
No
Plugin
Yes
Custom styles
Yes
Yes
Yes
FAQ Tags
No
Yes
No
Scripting
Macros, plugins, widgets, JavaScript and more
None
Content Includes
No
Yes
Yes
Feed Aggregation
No
Yes
No
Usability ProntoWiki Confluence Instiki
Section Editing
No
No
No
Page Templates
No
Yes
No
Double-Click Edit
No
No
No
Toolbar
Yes
Yes
No
WYSIWYG Editing
No
Yes
No
Access Keys
No
Yes
Yes
Auto Signature
No
No
Yes
Statistics ProntoWiki Confluence Instiki
Recent Changes
Unknown
Yes
Yes
Wanted Pages
No
Yes
Yes
Orphaned Pages
No
Yes
Yes
Most/Least Popular
Optional
Yes
No
Recent Visitors
No
No
No
Analysis
No
Yes
No
Output ProntoWiki Confluence Instiki
Printer Friendly
Print CSS
Print View
Mobile Friendly
Unknown
Plugin
Yes
Themes & Skins
Yes
Yes
No
RSS Feeds
No
Yes
No
ATOM Feeds
No
Yes
Yes
Abbreviations
No
No
Yes
Auto-TOC
No
Yes
Yes
Raw Export
No
Yes
Yes
HTML Export
No
Yes
Yes
XML export
No
Yes
No
PDF Export
No
Yes
No
Office Export
Unknown
Unknown
Unknown
Media and Files ProntoWiki Confluence Instiki
File Attachments
Yes
Yes
Yes
Media Revisions
No
Yes
No
Embedded Flash
Unknown
Yes
No
Embedded Video
Unknown
Yes
Yes
Image Editing
No
Plugin
No
SVG Editing
No
Plugin
Yes
MindMap Editing
No
Plugin
No
Media Search
Contents
No
Extras ProntoWiki Confluence Instiki
Calendar
Unknown
Plugin
No
Image Galleries
Unknown
Yes
No
Presentations
Unknown
Unknown
Unknown
Forums
Unknown
Plugin
No
Blogs
Unknown
Yes
No
Ticket System
Unknown
Plugin
No
Chat
Unknown
Unknown
Unknown
Syntax Examples ProntoWiki Confluence Instiki
Internal Link
[pagename]
[Page Title]
[Link Title|Page Title#anchor]
[~username]
[^attachment.doc]
[[Some Page]]
[[Some Page|anchor text]]
[[Some Page#anchor]]
[[Some Page#anchor|anchor text]]
External Link
{title|url}
[http://www.example.com]
[Link Title|http://www.example.com]
[Shortcut Link|PageName@otherwiki]
[another site](http://example.com)
Headlines
!, !!, !!!
h1. Top Level Heading
h2. Smaller Heading
h6. Smallest Heading
#Level 1#
##Level 2##
###Level 3###
####Level 4####
#####Level 5#####
######Level 6######
Bold Format
**bold**
*bold*
**bold**
Italics Format
''italics''
_italics_
_italic_, *italic*
Underline Format
__under__
+underline+
underlined
{: style='text-decoration:underlined'}
Monospace Format
{{monospace}}
`monospace`
Strikethrough Format
<<strike>> (using custom tags)
-strikethrough-
<del>strikethrough</del>
strikethrough
{: style='text-decoration:line-through'}
Superscript Format
<<super>> (using custom tags)
^superscript^
<sup>superscript</sup>
Subscript Format
<<sub>> (using custom tags)
~subscript~
<sub>subscript</sub>
Images
{guid} - this is displayed and can be inserted automatically for each image/page
![alt text](http://ex.com/image.jpg),
[[image.jpg|alt text:pic]]
Aligning Text
available through custom tags
p{: style='text-align:left'}
p{: style='text-align:right'}
p{: style='text-align:center'}
p{: style='text-align:justify'}
Text Indentation
multiple spaces -> &nbsp;
p
{: style='margin-left:3em'}

> blockquote
Bulleted Lists
+
++
+++
++++
* one
** one-two
* two
* three
* Item 1
** Item 1.1
* Item 2
Numbered Lists
#
##
###
####
# one
## one-two
# two
# three
1. Item 1
1. Item 1.1
2. Item 2
Definition Lists
term
: definition
Horizontal Rule
----
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remove ProntoWiki remove Confluence remove Instiki