ikiwiki vs. ThoughtFarmer vs. Hatta

General Features ikiwiki ThoughtFarmer Hatta
Version
2.67
6.0
1.6.6
Last Release Date
2008-10-16 (15 years ago)
2013-01-21 (11 years ago)
2015-08-28 (8 years ago)
Last Update here
2008-10-28 (15 years ago)
2013-01-22 (11 years ago)
2015-08-29 (8 years ago)
Author
Joey Hess and the ikiwiki community
OpenRoad Communications Ltd
Radomir Dopieralski
URL
Free and Open Source
Yes
No
Yes
License
GPL
Commercial
GPL v2
Programming Language
Perl
ASP.NET C#
Python
Data Storage
Files, RCS
Database
Files, RCS
License Cost/ Fee
0
$119/user (hosted), $10/user (cloud)
0
Development status
Mature
Mature
Mature
Intended Audience
Anyone
Intranet, Corporate, Private
System Requirements ikiwiki ThoughtFarmer Hatta
Operating System
Any
Windows Server 2008, 2012
Linux, Unix, Windows, MacOSX
Root Access
No
No
No
Webserver
Any, or none
IIS
Standalone, WSGI, FastCGI, CGI
Other Requirements
Mercurial
Datastorage ikiwiki ThoughtFarmer Hatta
Text Files
Yes
No
Yes
MySQL
No
No
No
PostgreSQL
No
No
No
Oracle
No
No
No
SQLite
No
No
Optional
BerkeleyDB
No
No
No
RCS
Yes
No
Yes
Other
Microsoft SQL Server 2008, 2010
Plain text files in Mercurial repository, with SQLite index
Security/Anti-Spam ikiwiki ThoughtFarmer Hatta
Page Permissions
Yes
Yes
Yes
ACL
Yes
Yes
No
Authentication Backends
Built-in, HTTP auth, OpenID; extensible via plugins
Active Directory, Open Directory, or Custom Modules
n/a
Host Blocking
Yes
Patch
No
Mail Encryption
Yes
Unknown
Yes
nofollow
No
Unknown
No
Blacklist
Yes
Unknown
No
CAPTCHA
No
Unknown
Optional
Delayed Indexing
No
Unknown
No
Development/Support ikiwiki ThoughtFarmer Hatta
# of Consultants
Preconfigured Hosting
No
Yes
No
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
#wiki at freenode.net
Stars on GitHub
N/A
N/A
N/A
Common Features ikiwiki ThoughtFarmer Hatta
Preview
Yes
Yes
Yes
Minor Changes
No
No
Yes
Change Summary
Yes
No
Yes
Page History
Yes
Yes
Yes
Page Revisions
Unlimited
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Sitemap
Plugin
Yes
Yes
Plugin System
Yes
Yes
No
Special Features ikiwiki ThoughtFarmer Hatta
Unicode Support
Yes
Yes
Yes
Right-to-Left Support
Yes
No
Optional
Interface Languages
1
English
11
German, English, Spanish, French, Italian, Japanese, Korean, Dutch, Turkish, Chinese, Chinese Traditional
15
Arabic, Czech, Danish, German, Greek, English, Spanish, Estonian, Finnish, French, Hungarian, Japanese, Polish, Russian, Swedish
Email notification
Yes
Yes
No
Comments
Discussion Pages
Flat
No
Categories
Plugin
Yes
Yes
Namespaces
Yes
No
Optional
Conflict Handling
Conflict Resolution
Page Locking
Conflict Resolution
Concurrent Editing
Unknown
Unknown
Unknown
Search
Full Text
Full Text
Full Text
Wiki Farming
Yes
Unknown
Optional
Structured Data
Unknown
Yes
No
Links ikiwiki ThoughtFarmer Hatta
CamelCase
Plugin
No
Optional
Freelinks
Yes
No
Yes
Backlinks
Yes
No
Yes
InterWiki
Plugin
No
No
SisterWiki
Plugin
No
No
Image Links
Yes
Yes
Yes
Windows Shares
Yes
Yes
No
Page Redirects
Unknown
Unknown
No
Syntax Features ikiwiki ThoughtFarmer Hatta
HTML Tags
Optional
All
None
Math formulas
Plugin
Yes
Optional
Tables
simple + complex
complex
simple
CREOLE support
No
No
Yes
Markdown Support
Yes
No
No
Textile Support
Plugin
No
No
BBCode Support
No
No
No
Emoticon Images
Plugin
Yes
Optional
Syntax Highlighting
Plugin
No
Optional
Footnotes
No
No
No
Quoting
Yes
No
Yes
Internal Comments
Yes
Yes
No
Custom styles
Yes
Yes
Yes
FAQ Tags
Yes
No
No
Scripting
safe subset of HTML::Template supported via template plugin
javascript (optional)
JavaScript
Content Includes
Plugin
No
No
Feed Aggregation
Plugin
Yes
No
Usability ikiwiki ThoughtFarmer Hatta
Section Editing
No
No
No
Page Templates
Yes
No
No
Double-Click Edit
No
No
Yes
Toolbar
No
Yes
No
WYSIWYG Editing
No
Yes
No
Access Keys
No
No
No
Auto Signature
No
No
No
Statistics ikiwiki ThoughtFarmer Hatta
Recent Changes
Yes
Yes
Yes
Wanted Pages
Plugin
No
Yes
Orphaned Pages
Plugin
Unknown
Yes
Most/Least Popular
No
Yes
No
Recent Visitors
No
Yes
No
Analysis
No
Yes
No
Output ikiwiki ThoughtFarmer Hatta
Printer Friendly
Print CSS
Print CSS
Print CSS
Mobile Friendly
Yes
Yes
Yes
Themes & Skins
Yes
Yes
Optional
RSS Feeds
Plugin
Yes
No
ATOM Feeds
Plugin
Yes
Yes
Abbreviations
No
Yes
No
Auto-TOC
Plugin
Yes
No
Raw Export
Yes
No
Yes
HTML Export
Yes
No
No
XML export
No
No
No
PDF Export
No
Yes
No
Office Export
Unknown
Unknown
Unknown
Media and Files ikiwiki ThoughtFarmer Hatta
File Attachments
Yes
Yes
Yes
Media Revisions
Yes
Yes
Yes
Embedded Flash
Optional
Yes
No
Embedded Video
Optional
Yes
No
Image Editing
No
Yes
No
SVG Editing
No
No
No
MindMap Editing
No
No
No
Media Search
Filenames only
Contents
Filenames only
Extras ikiwiki ThoughtFarmer Hatta
Calendar
Plugin
Yes
No
Image Galleries
Plugin
Yes
No
Presentations
Unknown
Unknown
Unknown
Forums
Unknown
Yes
No
Blogs
Yes
Yes
No
Ticket System
Yes
No
No
Chat
Unknown
Unknown
Unknown
Syntax Examples ikiwiki ThoughtFarmer Hatta
Internal Link
[[internal]]
wysiwyg rich text editor
[[link]]
[[link|label]]
External Link
[link text](http://example.org)
wysiwyg rich text editor
http://example.com
[[http://example.com]]
[[http://example.com|label]]
[[http://example.com|{{image}}]]
Headlines
Two syntaxes:

# heading 1
## heading 2
### heading 3

heading 1
=========

heading 2
---------
wysiwyg rich text editor
= h1 =
== h2 ==
...
===== h5 =====
Bold Format
**bold**
__bold__
wysiwyg rich text editor
**bold**
Italics Format
*emphasized*
_emphasized_
wysiwyg rich text editor
//italic//
Underline Format
via HTML: <u>underlined</u>
wysiwyg rich text editor
n/a
Monospace Format
`inline monospace`

indented block of
monospaced text

tab-indented
block
wysiwyg rich text editor
{{{verbatim}}}
Strikethrough Format
via HTML: <del>deleted</del>
wysiwyg rich text editor
n/a
Superscript Format
via HTML: x<sup>2</sup>
wysiwyg rich text editor
n/a
Subscript Format
via HTML: a<sub>1</sub>
wysiwyg rich text editor
n/a
Images
![alt text](internal/image)
![alt text](http://example.org/external/image)
wysiwyg rich text editor
{{image}}
{{image|alt}}
Aligning Text
wysiwyg rich text editor
n/a
Text Indentation
wysiwyg rich text editor
n/a
Bulleted Lists
* item 1
* item 2
* item 2.1
* item 2.2
wysiwyg rich text editor
* list
** sublist
Numbered Lists
1. item 1
2. item 2
1. item 1.1
42. the value doesn't matter
1. any value works
wysiwyg rich text editor
n/a
Definition Lists
via HTML:
<dl>
<dt>term</dt>
<dd>definition</dd>
</dl>
wysiwyg rich text editor
n/a
Horizontal Rule
---
***
___
------------------
Any number > 3
- - - - - - - - - -
spaces don't matter
wysiwyg rich text editor
----
remove ikiwiki remove ThoughtFarmer remove Hatta