Hatta vs. PmWiki vs. WikiCrowd vs. WikkaWiki

General Features Hatta PmWiki WikiCrowd WikkaWiki
Version
1.6.6
2.6.0
0.0.16
1.4.2
Last Release Date
2015-08-29 (10 years ago)
2026-05-16 (1 month ago)
29 Nov, 2010
2020-04-20 (6 years ago)
Last Update here
2015-08-29 (10 years ago)
2026-05-16 (1 month ago)
2010-11-29 (15 years ago)
2020-04-20 (6 years ago)
Author
Radomir Dopieralski
Petko Yotov (Original author: Patrick R. Michaud)
Stas Davydov
Wikka Development Team
URL
Free and Open Source
Yes
Yes
Yes
Yes
License
GPL v2
GPL2+
LGPL
GPL
Programming Language
Python
PHP
PHP, XSL, JavaScript
PHP
Data Storage
Files, RCS
Files
Files
Database
License Cost/ Fee
0
0
0
0
Development status
Mature
Mature
Beta
Mature
Intended Audience
All
Personal, Corporate, Community
Individual users (PIM/website backend), development teams (software documentation/knowledge base), organizations and companies (intranet/public website backend)
System Requirements Hatta PmWiki WikiCrowd WikkaWiki
Operating System
Linux, Unix, Windows, MacOSX
Linux, UNIX, Windows, MacOS X, probably others
Any
any (platform-independent)
Root Access
No
No
No
No
Webserver
Standalone, WSGI, FastCGI, CGI
Apache, IIS, anything with PHP support. Can also be run with PHP's built-in webserver.
Apache
any server with PHP/MySQL support
Other Requirements
Mercurial
none
PHP 5.2 or later, Apache mod_rewrite, iconv
mod_rewrite (optional)
Datastorage Hatta PmWiki WikiCrowd WikkaWiki
Text Files
Yes
Yes
Yes
No
MySQL
No
Plugin
No
Yes
PostgreSQL
No
No
No
No
Oracle
No
No
No
No
SQLite
Optional
Plugin
No
Yes
BerkeleyDB
No
No
No
No
RCS
Yes
Plugin
No
No
Other
Plain text files in Mercurial repository, with SQLite index
Compressed, XML and/or ephemeral files (modules). Can provide custom data backends.
No
No
Security/Anti-Spam Hatta PmWiki WikiCrowd WikkaWiki
Page Permissions
Yes
Yes
Yes
Yes
ACL
No
Yes
Yes
Yes
Authentication Backends
n/a
Internal: per page, per group, per user, per user group. External: .htpasswd, LDAP, Active Directory. Plugins: Mailman, forums w/MySQL, oAuth, custom possible.
No
Active Directory (patch)
Host Blocking
No
Optional
No
Yes
Mail Encryption
Yes
Optional
No
No
nofollow
No
Yes
No
Yes
Blacklist
No
Optional
No
Yes
CAPTCHA
Optional
Plugin
No
Plugin
Delayed Indexing
No
Optional
No
No
Development/Support Hatta PmWiki WikiCrowd WikkaWiki
# of Consultants
Preconfigured Hosting
No
Yes
No
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
#wiki at freenode.net
Stars on GitHub
N/A
N/A
N/A
42 ⭐
Common Features Hatta PmWiki WikiCrowd WikkaWiki
Preview
Yes
Yes
No
Yes
Minor Changes
Yes
Yes
Yes
No
Change Summary
Yes
Yes
No
Yes
Page History
Yes
Yes
Yes
Yes
Page Revisions
Unlimited
Unlimited
Unlimited
Unlimited
Revision Diffs
Between all
Between all
To current
Between all
Sitemap
Yes
Yes
No
Yes
Plugin System
No
Yes
Yes
Yes
Special Features Hatta PmWiki WikiCrowd WikkaWiki
Unicode Support
Yes
Yes
Yes
Yes
Right-to-Left Support
Optional
Optional
Yes
Yes
Interface Languages
15
Arabic, Czech, Danish, German, Greek, English, Spanish, Estonian, Finnish, French, Hungarian, Japanese, Polish, Russian, Swedish
38
Arabic, Bulgarian, Breton, Catalan, Czech, Danish, German, Greek, English, Esperanto, Spanish, Persian, Finnish, French, Hungarian, Indonesian, Italian, Japanese, Lithuanian, Latvian, Lettish, Macedonian, Dutch, Norwegian, Polish, Portuguese, Brazilian Portuguese, Romanian, Russian, Slovak, Slovenian, Albanian, Swedish, Tamil, Turkish, Ukrainian, Vietnamese, Chinese, Chinese Traditional
2
English, Russian
0
Email notification
No
Optional
No
Patch
Comments
No
Discussion Pages
No
Threaded
Categories
Yes
Yes
No
Yes
Namespaces
Optional
Yes
No
No
Conflict Handling
Conflict Resolution
Conflict Resolution
Conflict Resolution
Page Locking
Concurrent Editing
Unknown
Yes
Unknown
Yes
Search
Full Text
Full Text
Not available
Full Text
Wiki Farming
Optional
Yes
No
No
Structured Data
No
Yes
Plugin
Plugin
Links Hatta PmWiki WikiCrowd WikkaWiki
CamelCase
Optional
Optional
No
Yes
Freelinks
Yes
Yes
Yes
Patch
Backlinks
Yes
Yes
No
Yes
InterWiki
No
Yes
No
Yes
SisterWiki
No
Plugin
No
No
Image Links
Yes
Yes
No
Yes
Windows Shares
No
Yes
No
No
Page Redirects
No
Yes
No
Patch
Syntax Features Hatta PmWiki WikiCrowd WikkaWiki
HTML Tags
None
Plugin
All
Some
Math formulas
Optional
Plugin
No
Plugin
Tables
simple
simple + complex
complex
simple + complex
CREOLE support
Yes
Optional
No
No
Markdown Support
No
Plugin
No
No
Textile Support
No
No
No
No
BBCode Support
No
Plugin
No
No
Emoticon Images
Optional
Plugin
No
No
Syntax Highlighting
Optional
Optional
No
Yes
Footnotes
No
Plugin
Yes
Plugin
Quoting
Yes
Plugin
Yes
Yes
Internal Comments
No
Yes
No
Yes
Custom styles
Yes
Yes
Plugin
Yes
FAQ Tags
No
Yes
No
No
Scripting
JavaScript
MarkupExpressions (core, many add-ons). PageLists with templates (core structured data scripting). WikiSh (plugin), Data forms (optional)
Plugin, JavaScript
Extensibility through drop-in plugins
Content Includes
No
Yes
No
Yes
Feed Aggregation
No
Plugin
No
Yes
Usability Hatta PmWiki WikiCrowd WikkaWiki
Section Editing
No
Plugin
Yes
No
Page Templates
No
Yes
Yes
Yes
Double-Click Edit
Yes
Plugin
Yes
Yes
Toolbar
No
Optional
No
Yes
WYSIWYG Editing
No
Plugin
No
Plugin
Access Keys
No
Yes
No
Patch
Auto Signature
No
Yes
No
Patch
Statistics Hatta PmWiki WikiCrowd WikkaWiki
Recent Changes
Yes
Yes
Yes
Yes
Wanted Pages
Yes
Optional
No
Yes
Orphaned Pages
Yes
Optional
No
Yes
Most/Least Popular
No
No
No
Patch
Recent Visitors
No
Plugin
No
Patch
Analysis
No
Plugin
No
Yes
Output Hatta PmWiki WikiCrowd WikkaWiki
Printer Friendly
Print CSS
Print View
No
Print CSS
Mobile Friendly
Yes
Yes
No
Unknown
Themes & Skins
Optional
Yes
Yes
Yes
RSS Feeds
No
Optional
Yes
Yes
ATOM Feeds
Yes
Optional
No
Plugin
Abbreviations
No
Plugin
No
Patch
Auto-TOC
No
Optional
No
Yes
Raw Export
Yes
Yes
No
Yes
HTML Export
No
Plugin
No
Yes
XML export
No
Plugin
No
Patch
PDF Export
No
Plugin
No
No
Office Export
Unknown
Plugin
Unknown
No
Media and Files Hatta PmWiki WikiCrowd WikkaWiki
File Attachments
Yes
Optional
Plugin
Yes
Media Revisions
Yes
Optional
Plugin
No
Embedded Flash
No
Plugin
Yes
Yes
Embedded Video
No
Plugin
Plugin
No
Image Editing
No
Plugin
No
No
SVG Editing
No
Plugin
No
No
MindMap Editing
No
Plugin
No
Yes
Media Search
Filenames only
Filenames only
No
No
Extras Hatta PmWiki WikiCrowd WikkaWiki
Calendar
No
Plugin
No
Plugin
Image Galleries
No
Plugin
No
Plugin
Presentations
Unknown
Plugin
Unknown
No
Forums
No
Plugin
No
No
Blogs
No
Plugin
No
Plugin
Ticket System
No
Plugin
No
No
Chat
Unknown
No
Unknown
No
Syntax Examples Hatta PmWiki WikiCrowd WikkaWiki
Internal Link
[[link]]
[[link|label]]
[[page name]]
[[page name | link text]]
[[link text -> page name]]
[[#anchor]]
[[#anchor|link to anchor]]
[[page name #anchor]]
@page "Another Wiki Page"
@page[Wiki Page] "Link to Wiki Page"
@page[Wiki Page]
[[Wiki Page or URL]]
CamelCase
[[forced]]
[[forced|This is a link]]
[[forced |日本語]]
External Link
http://example.com
[[http://example.com]]
[[http://example.com|label]]
[[http://example.com|{{image}}]]
http://....
[[http://... | link text]]
[[link text -> http://...]]
@page[http://wikimatrix.org]
@page[http://wikimatrix.org] "It's a link to WikiMatrix"
[[http://wikimatrix.org]]
http://wikkawiki.org
[[http://wikkawiki.org|Wikka Wiki]]
[[Wikipedia:WikkaWiki]]
Headlines
= h1 =
== h2 ==
...
===== h5 =====
! Level 1
!!#anchor Level 2
!!! Level 3
@title Some Title
@subtitle Some Subtitle
@subsubtitle Some Subsubtitle
====== Level 1 ======
===== Level 2 =====
==== Level 3 ====
=== Level 4 ===
== Level 5 ==
Bold Format
**bold**
'''bold'''
*bold*
**bold**
Italics Format
//italic//
''italic''
//italic//
//italic//
Underline Format
n/a
{+underlined+}
No
__underlined__
Monospace Format
{{{verbatim}}}
@@monospace@@
No
##monospaced##
Strikethrough Format
n/a
{-strikethrough-}
No
++Strike through text++
Superscript Format
n/a
'^superscript^'
^superscript^
""<sup>Superscript</sup>""
Subscript Format
n/a
'_subscript_'
_subscript_
""<sub>Subscript</sub>""
Images
{{image}}
{{image|alt}}
https://foo.bar/foo.jpg
Attach:foo.jpg
Attach:foo.jpg"alt/title text" | Caption
@img url
http://foo.bar/bar.jpg
{{image url="local.jpg"}}
{{image url="http://foo.bar/bar.jpg"}}
Aligning Text
n/a
%center% centered text
%right% right aligned
%lfloat% left floating text
%rfloat% right floating text
%rframe% right floating frame
%lframe% left floating frame
No
@@Center text@@
<<left floated<<
>>right floated>>
Text Indentation
n/a
-> indented text
--> more indentation
-< hanging text
--< more indentation
No
(4 spaces or a ~ can replace a tab)
indented
~indented
Bulleted Lists
* list
** sublist
* Item 1
** Item 1.1
* Item 2
alternatively, indented:
* item 1
* item 1.1
* item 2
@listitem Red
Green
Blue
(4 spaces or a ~ can replace a tab)

~- Item 1
~~- Item 1.1
~- Item 2
Numbered Lists
n/a
# Item 1
## Item 1.1
# Item 2
alternatively, indented:
# Item 1
# Item 1.1
# Item 2
No
(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
n/a
: term : definition
No
""<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>""
Horizontal Rule
----
----
No
----
remove Hatta remove PmWiki remove WikiCrowd remove WikkaWiki