Instiki vs. ErfurtWiki vs. WackoWiki vs. ProntoWiki

General Features Instiki ErfurtWiki WackoWiki ProntoWiki
Version
0.30.0
R1.02b (kind of final release :-)
6.2.0
1.0.1
Last Release Date
2019-03-01 (6 years ago)
2005-06-16 (20 years ago)
2025-12-14 (1 month ago)
2026-02-06 (today)
Last Update here
2019-03-04 (6 years ago)
2010-04-04 (15 years ago)
2025-12-13 (1 month ago)
2006-08-23 (19 years ago)
Author
David Heinemeier Hansson, Jacques Distler, Matthias Tarasiewicz
Mario Salzer & Andi Fundinger
WackoWiki Team
Clay Alberty
URL
Free and Open Source
Yes
Yes
Yes
Yes
License
Ruby's
Public Domain (!)
BSD
BSD
Programming Language
Ruby on Rails
PHP
PHP
C#
Data Storage
Database
Database, Files, RCS
Database
Database
License Cost/ Fee
0
0
0
Free
Development status
Mature
Mature
Mature
Mature
Intended Audience
general, education
small + medium sites, development teams
Advanced End Users, Developers, End Users/Desktop
System Requirements Instiki ErfurtWiki WackoWiki ProntoWiki
Operating System
UNIX, Windows, MacOS X
any
OS Independent
Windows
Root Access
No
No
No
No
Webserver
Thin (included), or Apache/NGinx (via Passenger)
anything with PHP support
run with the appserver/webserver of your choice
IIS 5+
Other Requirements
Ruby 2.0-2.6
none
mod_rewrite (optional)
.NET framework v2.0 or higher
Datastorage Instiki ErfurtWiki WackoWiki ProntoWiki
Text Files
No
Plugin
No
Unknown
MySQL
Yes
Plugin
Yes
Unknown
PostgreSQL
Yes
Plugin
No
Unknown
Oracle
Plugin
No
No
Unknown
SQLite
Yes
Plugin
Yes
Unknown
BerkeleyDB
No
Plugin
No
Unknown
RCS
No
Plugin
No
Unknown
Other
Any Rails-compatible back-end datastore can be used.
no
MariaDB
SQLExpress or SQL 2000 or SQL 2005
Security/Anti-Spam Instiki ErfurtWiki WackoWiki ProntoWiki
Page Permissions
Yes
Yes
Yes
Yes
ACL
No
Yes
Yes
No
Authentication Backends
UNIX, LDAP, MySQL, PHP, other
LDAP (patch), ActiveDirectory
.NET Membership platform
Host Blocking
Yes
Plugin
Optional
No
Mail Encryption
Unknown
Plugin
Optional
No
nofollow
Unknown
Plugin
Optional
No
Blacklist
Yes
Plugin
Yes
No
CAPTCHA
Unknown
Plugin
Yes
No
Delayed Indexing
Unknown
Patch
No
No
Development/Support Instiki ErfurtWiki WackoWiki ProntoWiki
# of Consultants
Preconfigured Hosting
No
No
Yes
No
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
not yet :-)
Stars on GitHub
510 ⭐
N/A
55 ⭐
N/A
Common Features Instiki ErfurtWiki WackoWiki ProntoWiki
Preview
No
Yes
Yes
Yes
Minor Changes
Yes
Plugin
Yes
No
Change Summary
No
Plugin
Yes
No
Page History
Yes
Yes
Yes
Yes
Page Revisions
Unlimited
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Between all
Sitemap
Yes
Plugin
Yes
Unknown
Plugin System
No
Yes
Yes
No
Special Features Instiki ErfurtWiki WackoWiki ProntoWiki
Unicode Support
Yes
No
Yes
No
Right-to-Left Support
Yes
Patch
Yes
Unknown
Interface Languages
1
English
4
German, English, Spanish, Dutch
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
Plugin
Yes
No
Comments
No
Plugin
Flat
No
Categories
Yes
Yes
Yes
Optional
Namespaces
No
No
Yes
No
Conflict Handling
Page Locking
Page Locking
Page Locking
Concurrent Editing
Unknown
Unknown
No
Unknown
Search
Full Text
Full Text
Full Text
Full Text
Wiki Farming
Yes
Optional
Patch
Unknown
Structured Data
No
No
Plugin
Unknown
Links Instiki ErfurtWiki WackoWiki ProntoWiki
CamelCase
Optional
Yes
Optional
Optional
Freelinks
Yes
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
No
InterWiki
Yes
Plugin
Yes
No
SisterWiki
No
Plugin
No
No
Image Links
Yes
Patch
Yes
Optional
Windows Shares
No
Yes
Yes
No
Page Redirects
Yes
Plugin
Yes
Unknown
Syntax Features Instiki ErfurtWiki WackoWiki ProntoWiki
HTML Tags
All
Plugin
All
Some
Math formulas
Yes
No
Plugin
No
Tables
simple + complex
simple + complex
simple
none
CREOLE support
No
Optional
No
Unknown
Markdown Support
Yes
No
No
Unknown
Textile Support
Yes
No
No
Unknown
BBCode Support
No
Plugin
Patch
Unknown
Emoticon Images
No
Plugin
Yes
No
Syntax Highlighting
Yes
Plugin
Yes
No
Footnotes
Yes
Plugin
Yes
Optional
Quoting
Yes
Plugin
Yes
Optional
Internal Comments
Yes
Yes
Yes
No
Custom styles
Yes
Yes
Yes
Yes
FAQ Tags
No
Yes
No
No
Scripting
None
optional
actions (PHP)
Content Includes
Yes
Plugin
Yes
No
Feed Aggregation
No
Plugin
Yes
No
Usability Instiki ErfurtWiki WackoWiki ProntoWiki
Section Editing
No
No
Yes
No
Page Templates
No
Yes
Yes
No
Double-Click Edit
No
Patch
Yes
No
Toolbar
No
No
Yes
Yes
WYSIWYG Editing
No
No
Plugin
No
Access Keys
Yes
Optional
Yes
No
Auto Signature
Yes
No
Yes
No
Statistics Instiki ErfurtWiki WackoWiki ProntoWiki
Recent Changes
Yes
Plugin
Yes
Unknown
Wanted Pages
Yes
Plugin
Yes
No
Orphaned Pages
Yes
Plugin
Yes
No
Most/Least Popular
No
Plugin
Yes
Optional
Recent Visitors
No
Optional
Yes
No
Analysis
No
No
Plugin
No
Output Instiki ErfurtWiki WackoWiki ProntoWiki
Printer Friendly
Print View
Print CSS
Print View
Mobile Friendly
Yes
Yes
Yes
Unknown
Themes & Skins
No
Yes
Yes
Yes
RSS Feeds
No
Plugin
Yes
No
ATOM Feeds
Yes
Plugin
No
No
Abbreviations
Yes
Optional
Patch
No
Auto-TOC
Yes
Plugin
Yes
No
Raw Export
Yes
Yes
Yes
No
HTML Export
Yes
Yes
Yes
No
XML export
No
Optional
Yes
No
PDF Export
No
Optional
Patch
No
Office Export
Unknown
Unknown
Patch
Unknown
Media and Files Instiki ErfurtWiki WackoWiki ProntoWiki
File Attachments
Yes
Plugin
Yes
Yes
Media Revisions
No
No
No
No
Embedded Flash
No
Plugin
Yes
Unknown
Embedded Video
Yes
Plugin
Yes
Unknown
Image Editing
No
No
No
No
SVG Editing
Yes
No
No
No
MindMap Editing
No
No
Plugin
No
Media Search
No
No
Contents
Extras Instiki ErfurtWiki WackoWiki ProntoWiki
Calendar
No
Plugin
Plugin
Unknown
Image Galleries
No
Plugin
Plugin
Unknown
Presentations
Unknown
Unknown
Plugin
Unknown
Forums
No
No
Optional
Unknown
Blogs
No
Yes
Optional
Unknown
Ticket System
No
No
No
Unknown
Chat
Unknown
Unknown
Patch
Unknown
Syntax Examples Instiki ErfurtWiki WackoWiki ProntoWiki
Internal Link
[[Some Page]]
[[Some Page|anchor text]]
[[Some Page#anchor]]
[[Some Page#anchor|anchor text]]
WikiPage
[WikiPage | Go here]
[[InternalLink]] 
((InternalLink))
[[InternalLink alternate text]]
CamelCase
[pagename]
External Link
[another site](http://example.com)
http://erfurtwiki.sf.net
[http://erfurtwiki.sf.net | Go here]
mario@wiki.net
https://wackowiki.org
[[https://wackowiki.org WackoWiki]]
[[Wikipedia:WackoWiki]]
{title|url}
Headlines
#Level 1#
##Level 2##
###Level 3###
####Level 4####
#####Level 5#####
######Level 6######
!!! Big Headline
!! Medium Headline
! Section Headline
== Level 1 ==
=== Level 2 ===
==== Level 3 ====
===== Level 4 =====
====== Level 5 ======
!, !!, !!!
Bold Format
**bold**
__bold text__
**bold text**
**bold**
**bold**
Italics Format
_italic_, *italic*
''ialic text''
//italics//
''italics''
Underline Format
underlined
{: style='text-decoration:underlined'}
optional or via css
__underline__
__under__
Monospace Format
`monospace`
==monospaced text==
##monospace##
Strikethrough Format
<del>strikethrough</del>
strikethrough
{: style='text-decoration:line-through'}
optional or via css
--strikethrough--
<<strike>> (using custom tags)
Superscript Format
<sup>superscript</sup>
^^superscript text^^
^^superscript^^
<<super>> (using custom tags)
Subscript Format
<sub>subscript</sub>
optional or via css
vvsubscriptvv
<<sub>> (using custom tags)
Images
![alt text](http://ex.com/image.jpg),
[[image.jpg|alt text:pic]]
[link to the image.jpg]
((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'}
optional or via css
{html}<div align="right">{html}

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

> blockquote
just use 3 spaces or tabs
indented text
one
two
multiple spaces -> &nbsp;
Bulleted Lists
* Item 1
** Item 1.1
* Item 2
* Item A
* Item B
** Item B1
*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

1. numbered List
1. numbered List-2
2.#8 numbered List, with break


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