WikiNi vs. BrainKeeper vs. ikiwiki

General Features WikiNi BrainKeeper ikiwiki
Version
0.5.0
N/A
2.67
Last Release Date
2007-04-12 (19 years ago)
N/A
2008-10-17 (17 years ago)
Last Update here
2009-02-10 (17 years ago)
2008-01-12 (18 years ago)
2008-10-28 (17 years ago)
Author
BrainKeeper, Inc.
Joey Hess and the ikiwiki community
URL
Free and Open Source
Yes
N/A
Yes
License
GPL
N/A
GPL
Programming Language
PHP
N/A
Perl
Data Storage
Database
N/A
Files, RCS
License Cost/ Fee
0 ($, €, £, ¥, ...)
from $35 for 9 logins, scaled pricing from there
0
Development status
Mature
N/A
Mature
Intended Audience
End Users/Desktop, Education
Enterprise, Corporations, and Business Teams
Anyone
Hosting Features WikiNi BrainKeeper ikiwiki
Storage Quota
N/A
Unlimited
N/A
Bandwidth Quota
N/A
Unlimited
N/A
Other Limits
N/A
None
N/A
Topic Restrictions
N/A
No Restrictions
N/A
Corporate Branding
N/A
Yes
N/A
Own Domain
N/A
Yes
N/A
Ads allowed
N/A
No
N/A
System Requirements WikiNi BrainKeeper ikiwiki
Operating System
all (UNIX, Windows, MacOS X)
N/A
Any
Root Access
No
N/A
No
Webserver
N/A
Any, or none
Other Requirements
N/A
Datastorage WikiNi BrainKeeper ikiwiki
Text Files
No
N/A
Yes
MySQL
Yes
N/A
No
PostgreSQL
No
N/A
No
Oracle
No
N/A
No
SQLite
No
N/A
No
BerkeleyDB
No
N/A
No
RCS
No
N/A
Yes
Other
N/A
Security/Anti-Spam WikiNi BrainKeeper ikiwiki
Page Permissions
Yes
Yes
Yes
ACL
Yes
Yes
Yes
Authentication Backends
N/A
Built-in, HTTP auth, OpenID; extensible via plugins
Host Blocking
Unknown
Unknown
Yes
Mail Encryption
Unknown
Unknown
Yes
nofollow
No
Unknown
No
Blacklist
No
Unknown
Yes
CAPTCHA
Patch
Yes
No
Delayed Indexing
No
No
No
Development/Support WikiNi BrainKeeper ikiwiki
# of Consultants
Preconfigured Hosting
No
N/A
No
Code Repository
N/A
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
N/A
N/A
N/A
Common Features WikiNi BrainKeeper ikiwiki
Preview
Yes
Yes
Yes
Minor Changes
No
Yes
No
Change Summary
Yes
Yes
Yes
Page History
Yes
Yes
Yes
Page Revisions
Restricted by Age
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Sitemap
Yes
Yes
Plugin
Plugin System
Yes
Yes
Yes
Special Features WikiNi BrainKeeper ikiwiki
Unicode Support
No
Yes
Yes
Right-to-Left Support
Unknown
Unknown
Yes
Interface Languages
1
French
1
English
1
English
Email notification
Plugin
Yes
Yes
Comments
Threaded
Flat
Discussion Pages
Categories
Unknown
Yes
Plugin
Namespaces
Patch
Yes
Yes
Conflict Handling
Conflict Detection
Page Locking
Conflict Resolution
Concurrent Editing
Unknown
Unknown
Unknown
Search
Full Text
Full Text
Full Text
Wiki Farming
Unknown
N/A
Yes
Structured Data
Unknown
Unknown
Unknown
Links WikiNi BrainKeeper ikiwiki
CamelCase
Yes
No
Plugin
Freelinks
Yes
Yes
Yes
Backlinks
Yes
No
Yes
InterWiki
Yes
Yes
Plugin
SisterWiki
No
No
Plugin
Image Links
Unknown
Yes
Yes
Windows Shares
No
Yes
Yes
Page Redirects
Unknown
Unknown
Unknown
Syntax Features WikiNi BrainKeeper ikiwiki
HTML Tags
Optional
Some
Optional
Math formulas
Plugin
No
Plugin
Tables
simple + complex
simple + complex
simple + complex
CREOLE support
No
Unknown
No
Markdown Support
No
Unknown
Yes
Textile Support
No
Unknown
Plugin
BBCode Support
No
Unknown
No
Emoticon Images
No
No
Plugin
Syntax Highlighting
Yes
Unknown
Plugin
Footnotes
Plugin
Yes
No
Quoting
Unknown
Yes
Yes
Internal Comments
Unknown
Unknown
Yes
Custom styles
Patch
Yes
Yes
FAQ Tags
No
Yes
Yes
Scripting
safe subset of HTML::Template supported via template plugin
Content Includes
Yes
Yes
Plugin
Feed Aggregation
Patch
Yes
Plugin
Usability WikiNi BrainKeeper ikiwiki
Section Editing
No
Yes
No
Page Templates
No
No
Yes
Double-Click Edit
Yes
No
No
Toolbar
Patch
Yes
No
WYSIWYG Editing
No
Yes
No
Access Keys
Yes
Yes
No
Auto Signature
No
Yes
No
Statistics WikiNi BrainKeeper ikiwiki
Recent Changes
Yes
Yes
Yes
Wanted Pages
Yes
No
Plugin
Orphaned Pages
Yes
Unknown
Plugin
Most/Least Popular
No
Yes
No
Recent Visitors
No
Yes
No
Analysis
No
Yes
No
Output WikiNi BrainKeeper ikiwiki
Printer Friendly
Print CSS
Print CSS
Print CSS
Mobile Friendly
Unknown
Unknown
Yes
Themes & Skins
Optional
Yes
Yes
RSS Feeds
Yes
Yes
Plugin
ATOM Feeds
No
Yes
Plugin
Abbreviations
No
No
No
Auto-TOC
Unknown
Yes
Plugin
Raw Export
Yes
Yes
Yes
HTML Export
No
Yes
Yes
XML export
No
Yes
No
PDF Export
Plugin
Yes
No
Office Export
Unknown
Unknown
Unknown
Media and Files WikiNi BrainKeeper ikiwiki
File Attachments
Plugin
Yes
Yes
Media Revisions
Unknown
Yes
Yes
Embedded Flash
Plugin
Yes
Optional
Embedded Video
Plugin
Yes
Optional
Image Editing
No
Yes
No
SVG Editing
No
Unknown
No
MindMap Editing
No
No
No
Media Search
No
Contents
Filenames only
Extras WikiNi BrainKeeper ikiwiki
Calendar
Unknown
Unknown
Plugin
Image Galleries
Unknown
Unknown
Plugin
Presentations
Unknown
Unknown
Unknown
Forums
Unknown
Unknown
Unknown
Blogs
Unknown
Unknown
Yes
Ticket System
Unknown
Unknown
Yes
Chat
Unknown
Unknown
Unknown
Syntax Examples WikiNi BrainKeeper ikiwiki
Internal Link
wiki word (XxxXxxxxx)
[[internal]]
External Link
[[ ]]
[link text](http://example.org)
Headlines
====== ====== level 1
===== ===== level 2
==== ==== level 3
=== === level 4
== == level 5

Two syntaxes:

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

heading 1
=========

heading 2
---------
Bold Format
** **
**bold**
__bold__
Italics Format
// //
*emphasized*
_emphasized_
Underline Format
__ __
via HTML: <u>underlined</u>
Monospace Format
## ##
`inline monospace`

indented block of
monospaced text

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