Instiki vs. TWiki vs. WackoWiki

General Features Instiki TWiki WackoWiki
Version
0.30.0
TWiki-6.1.0
6.2.1
Last Release Date
2019-03-01 (7 years ago)
2018-07-16 (7 years ago)
2026-03-03 (3 months ago)
Last Update here
2019-03-04 (7 years ago)
2019-07-19 (6 years ago)
2026-04-25 (1 month ago)
Author
David Heinemeier Hansson, Jacques Distler, Matthias Tarasiewicz
Peter Thoeny, TWiki community
WackoWiki Team
URL
Free and Open Source
Yes
Yes
Yes
License
Ruby's
GPL
BSD
Programming Language
Ruby on Rails
Perl, JavaScript
PHP
Data Storage
Database
Files, RCS
Database
License Cost/ Fee
0
N/A
0
Development status
Mature
Mature
Mature
Intended Audience
general, education
Large enterprise; small to medium businesses
Advanced End Users, Developers, End Users/Desktop
System Requirements Instiki TWiki WackoWiki
Operating System
UNIX, Windows, MacOS X
Linux, Windows, OS-X and other
OS Independent
Root Access
No
No
No
Webserver
Thin (included), or Apache/NGinx (via Passenger)
Almost any webserver, typically Apache and Ngnix
run with the appserver/webserver of your choice
Other Requirements
Ruby 2.0-2.6
RCS (optional), cron/scheduler, fgrep, egrep; Plugins may have additional dependencies
mod_rewrite (optional)
Datastorage Instiki TWiki WackoWiki
Text Files
No
Yes
No
MySQL
Yes
No
Yes
PostgreSQL
Yes
No
No
Oracle
Plugin
No
No
SQLite
Yes
No
Yes
BerkeleyDB
No
No
No
RCS
No
Yes
No
Other
Any Rails-compatible back-end datastore can be used.
RcsLite Perl library for version control without external RCS; backend API for other storage
MariaDB
Security/Anti-Spam Instiki TWiki WackoWiki
Page Permissions
Yes
Yes
Yes
ACL
No
Yes
Yes
Authentication Backends
Internal authentication; anything Apache supports such as LDAP, NIS, AD, Kerberos
LDAP (patch), ActiveDirectory
Host Blocking
Yes
Plugin
Optional
Mail Encryption
Unknown
Yes
Optional
nofollow
Unknown
Plugin
Optional
Blacklist
Yes
Plugin
Yes
CAPTCHA
Unknown
Plugin
Yes
Delayed Indexing
Unknown
Plugin
No
Development/Support Instiki TWiki WackoWiki
# of Consultants
Preconfigured Hosting
No
Yes
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
506 ⭐
N/A
54 ⭐
Common Features Instiki TWiki WackoWiki
Preview
No
Yes
Yes
Minor Changes
Yes
Yes
Yes
Change Summary
No
Yes
Yes
Page History
Yes
Yes
Yes
Page Revisions
Unlimited
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Sitemap
Yes
Yes
Yes
Plugin System
No
Yes
Yes
Special Features Instiki TWiki WackoWiki
Unicode Support
Yes
Yes
Yes
Right-to-Left Support
Yes
No
Yes
Interface Languages
1
English
19
Bulgarian, Czech, Danish, German, English, Spanish, Finnish, French, Italian, Japanese, Korean, Dutch, Polish, Portuguese, Russian, Swedish, Ukrainian, Chinese, Chinese Traditional
34
Arabic, Bulgarian, Czech, Danish, German, Greek, English, Spanish, Estonian, Persian, Finnish, French, Hindi, Croatian, Hungarian, Indonesian, Italian, Japanese, Korean, Dutch, Norwegian, Polish, Portuguese, Brazilian Portuguese, Romanian, Russian, Swedish, Tamil, Thai, Turkish, Ukrainian, Vietnamese, Chinese, Chinese Traditional
Email notification
No
Yes
Yes
Comments
No
Threaded
Flat
Categories
Yes
Yes
Yes
Namespaces
No
Yes
Yes
Conflict Handling
Page Locking
Conflict Resolution
Page Locking
Concurrent Editing
Unknown
Unknown
No
Search
Full Text
Full Text
Full Text
Wiki Farming
Yes
Optional
Patch
Structured Data
No
Yes
Plugin
Links Instiki TWiki WackoWiki
CamelCase
Optional
Yes
Optional
Freelinks
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
InterWiki
Yes
Yes
Yes
SisterWiki
No
Plugin
No
Image Links
Yes
Yes
Yes
Windows Shares
No
Plugin
Yes
Page Redirects
Yes
Plugin
Yes
Syntax Features Instiki TWiki WackoWiki
HTML Tags
All
All
All
Math formulas
Yes
Plugin
Plugin
Tables
simple + complex
simple + complex
simple + complex
CREOLE support
No
No
No
Markdown Support
Yes
No
No
Textile Support
Yes
Plugin
No
BBCode Support
No
No
Patch
Emoticon Images
No
Yes
Yes
Syntax Highlighting
Yes
Plugin
Yes
Footnotes
Yes
Plugin
Yes
Quoting
Yes
Yes
Yes
Internal Comments
Yes
Yes
Yes
Custom styles
Yes
Yes
Yes
FAQ Tags
No
Yes
No
Scripting
None
TWiki Markup Language, TWiki variables, JavaScript, extensive API
actions (PHP)
Content Includes
Yes
Yes
Yes
Feed Aggregation
No
Yes
Yes
Usability Instiki TWiki WackoWiki
Section Editing
No
Plugin
Yes
Page Templates
No
Yes
Yes
Double-Click Edit
No
Plugin
Yes
Toolbar
No
Plugin
Yes
WYSIWYG Editing
No
Yes
Plugin
Access Keys
Yes
Yes
Yes
Auto Signature
Yes
Yes
Yes
Statistics Instiki TWiki WackoWiki
Recent Changes
Yes
Yes
Yes
Wanted Pages
Yes
No
Yes
Orphaned Pages
Yes
Plugin
Yes
Most/Least Popular
No
Yes
Yes
Recent Visitors
No
Plugin
Yes
Analysis
No
Yes
Plugin
Output Instiki TWiki WackoWiki
Printer Friendly
Print View
Print View
Print View
Mobile Friendly
Yes
Plugin
Yes
Themes & Skins
No
Yes
Yes
RSS Feeds
No
Yes
Yes
ATOM Feeds
Yes
Yes
No
Abbreviations
Yes
Plugin
Patch
Auto-TOC
Yes
Yes
Yes
Raw Export
Yes
Yes
Yes
HTML Export
Yes
Yes
Yes
XML export
No
Plugin
Yes
PDF Export
No
Plugin
Patch
Office Export
Unknown
Unknown
Patch
Media and Files Instiki TWiki WackoWiki
File Attachments
Yes
Yes
Yes
Media Revisions
No
Yes
No
Embedded Flash
No
Plugin
Yes
Embedded Video
Yes
Plugin
Yes
Image Editing
No
Plugin
No
SVG Editing
Yes
Plugin
No
MindMap Editing
No
Plugin
Plugin
Media Search
No
Contents
Contents
Extras Instiki TWiki WackoWiki
Calendar
No
Plugin
Plugin
Image Galleries
No
Plugin
Plugin
Presentations
Unknown
Unknown
Plugin
Forums
No
Plugin
Optional
Blogs
No
Plugin
Optional
Ticket System
No
Plugin
No
Chat
Unknown
Unknown
Patch
Syntax Examples Instiki TWiki WackoWiki
Internal Link
[[Some Page]]
[[Some Page|anchor text]]
[[Some Page#anchor]]
[[Some Page#anchor|anchor text]]
WikiWord autolink
Otherweb.WikiWord
[[Spaced text]]
[[WikiWord][label]]
[[InternalLink]] 
((InternalLink))
[[InternalLink alternate text]]
CamelCase
External Link
[another site](http://example.com)
http://twiki.org/ autolink
[[http://twiki.org/][label]]
https://wackowiki.org
[[https://wackowiki.org WackoWiki]]
[[Wikipedia:WackoWiki]]
Headlines
#Level 1#
##Level 2##
###Level 3###
####Level 4####
#####Level 5#####
######Level 6######
---+ Level 1
---++ Level 2
---+++ Level 3
---++++ Level 4
---+++++ Level 5
---++++++ Level 6
== Level 1 ==
=== Level 2 ===
==== Level 3 ====
===== Level 4 =====
====== Level 5 ======
Bold Format
**bold**
*bold*
**bold**
Italics Format
_italic_, *italic*
_italic_
//italics//
Underline Format
underlined
{: style='text-decoration:underlined'}
<u>underline</u>
__underline__
Monospace Format
`monospace`
=monospaced text= and
<verbatim>
multi line text
</verbatim>
##monospace##
Strikethrough Format
<del>strikethrough</del>
strikethrough
{: style='text-decoration:line-through'}
<strike>strikethrough</strike>
--strikethrough--
Superscript Format
<sup>superscript</sup>
<sup>superscript</sup>
^^superscript^^
Subscript Format
<sub>subscript</sub>
<sub>subscript</sub>
,,subscript,,
Images
![alt text](http://ex.com/image.jpg),
[[image.jpg|alt text:pic]]
%ATTACHURL%/image.png
http://any.domain/image.png
((image.png))
file:image.png
https://example.com/image.png
Aligning Text
p{: style='text-align:left'}
p{: style='text-align:right'}
p{: style='text-align:center'}
p{: style='text-align:justify'}
| left |   center   |   right |
or HTML
or CSS
{html}<div align="right">{html}

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

> blockquote
<blockquote>
multi line text
</blockquote>
one
two
Bulleted Lists
* Item 1
** Item 1.1
* Item 2
* Item 1
* Item 1.1
* Item 2
*one
**One-two
*two
*three
Numbered Lists
1. Item 1
1. Item 1.1
2. Item 2
1. Item 1
a. Item 1.a
1. Item 2
1. numbered List
1. numbered List-2
2.#8 numbered List, with break


Definition Lists
term
: definition
$ Term: Definition
{html}<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>{html}
Horizontal Rule
***
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remove Instiki remove TWiki remove WackoWiki