Instiki vs. ErfurtWiki vs. PhpWiki vs. Confluence

General Features Instiki ErfurtWiki PhpWiki Confluence
Version
0.30.0
R1.02b (kind of final release :-)
phpwiki-1.3.14
5.2
Last Release Date
2019-03-01 (7 years ago)
2005-06-16 (20 years ago)
2007-07-01 (18 years ago)
2013-08-13 (12 years ago)
Last Update here
2019-03-04 (7 years ago)
2010-04-04 (15 years ago)
2009-04-03 (17 years ago)
2013-08-22 (12 years ago)
Author
David Heinemeier Hansson, Jacques Distler, Matthias Tarasiewicz
Mario Salzer & Andi Fundinger
Steve Wainstead, Jeff Dairiki, Reini Urban, Carsten Klapp, Marc-Etienne Vargenau
Atlassian
URL
Free and Open Source
Yes
Yes
Yes
No
License
Ruby's
Public Domain (!)
GPL
Commercial + Free personal/open source project/community use
Programming Language
Ruby on Rails
PHP
PHP
Java
Data Storage
Database
Database, Files, RCS
Database, Files, RCS
Database
License Cost/ Fee
0
0
0
starting at US $10 installed (unlimited wikis)
Development status
Mature
Mature
Mature
Mature
Intended Audience
general, education
small + medium sites, development teams
Any
Enterprise + Technical Teams
Hosting Features Instiki ErfurtWiki PhpWiki Confluence
Storage Quota
N/A
N/A
N/A
Unlimited
Bandwidth Quota
N/A
N/A
N/A
Other Limits
N/A
N/A
N/A
No
Topic Restrictions
N/A
N/A
N/A
No
Corporate Branding
N/A
N/A
N/A
Yes
Own Domain
N/A
N/A
N/A
Optional
Ads allowed
N/A
N/A
N/A
No
System Requirements Instiki ErfurtWiki PhpWiki Confluence
Operating System
UNIX, Windows, MacOS X
any
UNIX, Windows, MacOS X, probably others
Windows, Linux and Unix variants
Root Access
No
No
No
No
Webserver
Thin (included), or Apache/NGinx (via Passenger)
anything with PHP support
Apache, IIS, anything with PHP support
Apache Tomcat
Other Requirements
Ruby 2.0-2.6
none
various opt. helpers
Oracle JDK 1.6.0_4+
Datastorage Instiki ErfurtWiki PhpWiki Confluence
Text Files
No
Plugin
Yes
No
MySQL
Yes
Plugin
Yes
Yes
PostgreSQL
Yes
Plugin
Yes
Yes
Oracle
Plugin
No
Yes
Yes
SQLite
Yes
Plugin
Yes
No
BerkeleyDB
No
Plugin
Yes
No
RCS
No
Plugin
Yes
No
Other
Any Rails-compatible back-end datastore can be used.
no
gdbm, cvs, MSSQL, ... (ADODB, PearDB)
Security/Anti-Spam Instiki ErfurtWiki PhpWiki Confluence
Page Permissions
Yes
Yes
Yes
Yes
ACL
No
Yes
Yes
Yes
Authentication Backends
UNIX, LDAP, MySQL, PHP, other
db, session, pop, imap, ldap, file, webserver
LDAP, NTLM, Siteminder, CAS and more
Host Blocking
Yes
Plugin
No
No
Mail Encryption
Unknown
Plugin
No
Optional
nofollow
Unknown
Plugin
Yes
Optional
Blacklist
Yes
Plugin
Yes
No
CAPTCHA
Unknown
Plugin
Yes
Yes
Delayed Indexing
Unknown
Patch
No
No
Development/Support Instiki ErfurtWiki PhpWiki Confluence
# of Consultants
Preconfigured Hosting
No
No
No
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
not yet :-)
#phpwiki
Stars on GitHub
506 ⭐
N/A
N/A
N/A
Common Features Instiki ErfurtWiki PhpWiki Confluence
Preview
No
Yes
Yes
Yes
Minor Changes
Yes
Plugin
Yes
Yes
Change Summary
No
Plugin
Yes
Yes
Page History
Yes
Yes
Yes
Yes
Page Revisions
Unlimited
Unlimited
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Between all
Sitemap
Yes
Plugin
Yes
Yes
Plugin System
No
Yes
Yes
Yes
Special Features Instiki ErfurtWiki PhpWiki Confluence
Unicode Support
Yes
No
Yes
Yes
Right-to-Left Support
Yes
Patch
No
No
Interface Languages
1
English
4
German, English, Spanish, Dutch
9
German, English, Spanish, French, Italian, Japanese, Dutch, Swedish, Chinese Traditional
15
Danish, German, Greek, English, Spanish, Finnish, French, Hungarian, Japanese, Korean, Portuguese, Russian, Swahili, Chinese, Chinese Traditional
Email notification
No
Plugin
Yes
Yes
Comments
No
Plugin
Plugin
Threaded
Categories
Yes
Yes
Yes
Yes
Namespaces
No
No
No
Yes
Conflict Handling
Page Locking
Page Locking
Conflict Resolution
Conflict Resolution
Concurrent Editing
Unknown
Unknown
Unknown
Unknown
Search
Full Text
Full Text
Full Text
Full Text
Wiki Farming
Yes
Optional
Yes
Yes
Structured Data
No
No
Patch
Plugin
Links Instiki ErfurtWiki PhpWiki Confluence
CamelCase
Optional
Yes
Yes
Yes
Freelinks
Yes
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
Yes
InterWiki
Yes
Plugin
Yes
Optional
SisterWiki
No
Plugin
No
No
Image Links
Yes
Patch
Yes
Yes
Windows Shares
No
Yes
Yes
Yes
Page Redirects
Yes
Plugin
Yes
Plugin
Syntax Features Instiki ErfurtWiki PhpWiki Confluence
HTML Tags
All
Plugin
Some
Optional
Math formulas
Yes
No
Plugin
Plugin
Tables
simple + complex
simple + complex
simple + complex
simple + complex
CREOLE support
No
Optional
No
No
Markdown Support
Yes
No
No
No
Textile Support
Yes
No
No
Yes
BBCode Support
No
Plugin
No
No
Emoticon Images
No
Plugin
No
Yes
Syntax Highlighting
Yes
Plugin
Plugin
Yes
Footnotes
Yes
Plugin
Yes
Plugin
Quoting
Yes
Plugin
Yes
Yes
Internal Comments
Yes
Yes
Yes
Plugin
Custom styles
Yes
Yes
Yes
Yes
FAQ Tags
No
Yes
No
Yes
Scripting
None
optional
plugins, templates, PHP
Macros, plugins, widgets, JavaScript and more
Content Includes
Yes
Plugin
Yes
Yes
Feed Aggregation
No
Plugin
Yes
Yes
Usability Instiki ErfurtWiki PhpWiki Confluence
Section Editing
No
No
No
No
Page Templates
No
Yes
Yes
Yes
Double-Click Edit
No
Patch
Optional
No
Toolbar
No
No
Yes
Yes
WYSIWYG Editing
No
No
Patch
Yes
Access Keys
Yes
Optional
Yes
Yes
Auto Signature
Yes
No
Yes
No
Statistics Instiki ErfurtWiki PhpWiki Confluence
Recent Changes
Yes
Plugin
Yes
Yes
Wanted Pages
Yes
Plugin
Yes
Yes
Orphaned Pages
Yes
Plugin
Yes
Yes
Most/Least Popular
No
Plugin
Yes
Yes
Recent Visitors
No
Optional
Yes
No
Analysis
No
No
Plugin
Yes
Output Instiki ErfurtWiki PhpWiki Confluence
Printer Friendly
Print View
Print CSS
Print CSS
Print CSS
Mobile Friendly
Yes
Yes
No
Plugin
Themes & Skins
No
Yes
Yes
Yes
RSS Feeds
No
Plugin
Yes
Yes
ATOM Feeds
Yes
Plugin
No
Yes
Abbreviations
Yes
Optional
No
No
Auto-TOC
Yes
Plugin
Yes
Yes
Raw Export
Yes
Yes
Yes
Yes
HTML Export
Yes
Yes
Yes
Yes
XML export
No
Optional
No
Yes
PDF Export
No
Optional
Yes
Yes
Office Export
Unknown
Unknown
Unknown
Unknown
Media and Files Instiki ErfurtWiki PhpWiki Confluence
File Attachments
Yes
Plugin
Yes
Yes
Media Revisions
No
No
Yes
Yes
Embedded Flash
No
Plugin
Yes
Yes
Embedded Video
Yes
Plugin
Yes
Yes
Image Editing
No
No
No
Plugin
SVG Editing
Yes
No
No
Plugin
MindMap Editing
No
No
No
Plugin
Media Search
No
No
No
Contents
Extras Instiki ErfurtWiki PhpWiki Confluence
Calendar
No
Plugin
Yes
Plugin
Image Galleries
No
Plugin
Yes
Yes
Presentations
Unknown
Unknown
Unknown
Unknown
Forums
No
No
Yes
Plugin
Blogs
No
Yes
Yes
Yes
Ticket System
No
No
No
Plugin
Chat
Unknown
Unknown
Unknown
Unknown
Syntax Examples Instiki ErfurtWiki PhpWiki Confluence
Internal Link
[[Some Page]]
[[Some Page|anchor text]]
[[Some Page#anchor]]
[[Some Page#anchor|anchor text]]
WikiPage
[WikiPage | Go here]
WikiWord or [somelink]
[ desc | pagename ]
[Page Title]
[Link Title|Page Title#anchor]
[~username]
[^attachment.doc]
External Link
[another site](http://example.com)
http://erfurtwiki.sf.net
[http://erfurtwiki.sf.net | Go here]
mario@wiki.net
http://someserver/someurl
[ desc | exturl ]
[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######
!!! Big Headline
!! Medium Headline
! Section Headline
!!!Headline1
!!Headline2
!Headline3
h1. Top Level Heading
h2. Smaller Heading
h6. Smallest Heading
Bold Format
**bold**
__bold text__
**bold text**
*bold* or
<strong>bold</strong>
*bold*
Italics Format
_italic_, *italic*
''ialic text''
_italics_ or 
or
<em>italics</em>
_italics_
Underline Format
underlined
{: style='text-decoration:underlined'}
optional or via css
<u>underlined</u>
+underline+
Monospace Format
`monospace`
==monospaced text==
<tt>monospace</tt>
<code>code</code>
<pre>preformatted</pre>
<verbatim>
unparsed text</verbatim>


{{monospace}}
Strikethrough Format
<del>strikethrough</del>
strikethrough
{: style='text-decoration:line-through'}
optional or via css
<strike>striked through</strike>
-strikethrough-
Superscript Format
<sup>superscript</sup>
^^superscript text^^
<sup>above</sup>
^superscript^
Subscript Format
<sub>subscript</sub>
optional or via css
<sub>below</sub>
~subscript~
Images
![alt text](http://ex.com/image.jpg),
[[image.jpg|alt text:pic]]
[link to the image.jpg]
[ http://foo.org/1.jpg size=30%] 
external image
[Upload:view.jpg align=right size=50x40] 
view uploaded image
[Upload:view.jpg | http://server/external-linkjpg ] 
view and link to another image
Aligning Text
p{: style='text-align:left'}
p{: style='text-align:right'}
p{: style='text-align:center'}
p{: style='text-align:justify'}
optional or via css
<?plugin RawHtml <span align="right"> ?>right<?plugin RawHtml </span> ?>
or <div align="right"> right </div>

Text Indentation
p
{: style='margin-left:3em'}

> blockquote
just use 3 spaces or tabs
indented text
;: left indent
;;: more left indent

or 
paragraph
and another level 
Bulleted Lists
* Item 1
** Item 1.1
* Item 2
* Item A
* Item B
** Item B1
* list
or
- list
* one
** one-two
* two
* three
Numbered Lists
1. Item 1
1. Item 1.1
2. Item 2
# Item 1
## Item 1.1
##* Item 1.1a
##* Item 1.1b

# list
# one
## one-two
# two
# three
Definition Lists
term
: definition
:definition: explanation
:anotherdef: another description
Term:<def>
def
Horizontal Rule
***
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remove Instiki remove ErfurtWiki remove PhpWiki remove Confluence