| General Features | Instiki | Hatta | Wikia |
|---|---|---|---|
| Version |
0.30.0
|
1.6.6
|
N/A
|
| Last Release Date |
2019-03-01 (7 years ago)
|
2015-08-29 (10 years ago)
|
N/A
|
| Last Update here |
2019-03-04 (7 years ago)
|
2015-08-29 (10 years ago)
|
2013-02-18 (13 years ago)
|
| Author |
David Heinemeier Hansson, Jacques Distler, Matthias Tarasiewicz
|
Radomir Dopieralski
|
Wikia, Inc.
|
| URL | |||
| Free and Open Source |
Yes
|
Yes
|
N/A
|
| License |
Ruby's
|
GPL v2
|
N/A
|
| Programming Language |
Ruby on Rails
|
Python
|
N/A
|
| Data Storage |
Database
|
Files, RCS
|
N/A
|
| License Cost/ Fee |
0
|
0
|
$0
|
| Development status |
Mature
|
Mature
|
N/A
|
| Intended Audience |
general, education
|
All users
|
|
| Hosting Features | Instiki | Hatta | Wikia |
| Storage Quota |
N/A
|
N/A
|
unlimited
|
| Bandwidth Quota |
N/A
|
N/A
|
unlimited
|
| Other Limits |
N/A
|
N/A
|
none
|
| Topic Restrictions |
N/A
|
N/A
|
hate speech, personal attacks, we believe in kindness
|
| Corporate Branding |
N/A
|
N/A
|
Yes
|
| Own Domain |
N/A
|
N/A
|
Optional
|
| Ads allowed |
N/A
|
N/A
|
Yes
|
| System Requirements | Instiki | Hatta | Wikia |
| Operating System |
UNIX, Windows, MacOS X
|
Linux, Unix, Windows, MacOSX
|
N/A
|
| Root Access |
No
|
No
|
N/A
|
| Webserver |
Thin (included), or Apache/NGinx (via Passenger)
|
Standalone, WSGI, FastCGI, CGI
|
N/A
|
| Other Requirements |
Ruby 2.0-2.6
|
Mercurial
|
N/A
|
| Datastorage | Instiki | Hatta | Wikia |
| Text Files |
No
|
Yes
|
N/A
|
| MySQL |
Yes
|
No
|
N/A
|
| PostgreSQL |
Yes
|
No
|
N/A
|
| Oracle |
Plugin
|
No
|
N/A
|
| SQLite |
Yes
|
Optional
|
N/A
|
| BerkeleyDB |
No
|
No
|
N/A
|
| RCS |
No
|
Yes
|
N/A
|
| Other |
Any Rails-compatible back-end datastore can be used.
|
Plain text files in Mercurial repository, with SQLite index
|
N/A
|
| Security/Anti-Spam | Instiki | Hatta | Wikia |
| Page Permissions |
Yes
|
Yes
|
Yes
|
| ACL |
No
|
No
|
Yes
|
| Authentication Backends |
n/a
|
N/A
|
|
| Host Blocking |
Yes
|
No
|
Yes
|
| Mail Encryption |
Unknown
|
Yes
|
Yes
|
| nofollow |
Unknown
|
No
|
Yes
|
| Blacklist |
Yes
|
No
|
Yes
|
| CAPTCHA |
Unknown
|
Optional
|
Optional
|
| Delayed Indexing |
Unknown
|
No
|
Optional
|
| Development/Support | Instiki | Hatta | Wikia |
| # of Consultants | |||
| Preconfigured Hosting |
No
|
No
|
N/A
|
| Code Repository |
N/A
|
||
| Issue Tracker | |||
| Mailing List | |||
| Support Forum | |||
| Chat Channel |
#wiki at freenode.net
|
##wikia on freenode
|
|
| Stars on GitHub |
506 ⭐
|
N/A
|
N/A
|
| Common Features | Instiki | Hatta | Wikia |
| 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
|
No
|
No
|
| Special Features | Instiki | Hatta | Wikia |
| Unicode Support |
Yes
|
Yes
|
Yes
|
| Right-to-Left Support |
Yes
|
Optional
|
Yes
|
| Interface Languages |
1
English |
15
Arabic, Czech, Danish, German, Greek, English, Spanish, Estonian, Finnish, French, Hungarian, Japanese, Polish, Russian, Swedish |
0
|
| Email notification |
No
|
No
|
Optional
|
| Comments |
No
|
No
|
Discussion Pages
|
| Categories |
Yes
|
Yes
|
Yes
|
| Namespaces |
No
|
Optional
|
Yes
|
| Conflict Handling |
Page Locking
|
Conflict Resolution
|
Conflict Resolution
|
| Concurrent Editing |
Unknown
|
Unknown
|
Unknown
|
| Search |
Full Text
|
Full Text
|
Full Text
|
| Wiki Farming |
Yes
|
Optional
|
N/A
|
| Structured Data |
No
|
No
|
Unknown
|
| Links | Instiki | Hatta | Wikia |
| CamelCase |
Optional
|
Optional
|
Optional
|
| Freelinks |
Yes
|
Yes
|
Yes
|
| Backlinks |
Yes
|
Yes
|
Yes
|
| InterWiki |
Yes
|
No
|
Yes
|
| SisterWiki |
No
|
No
|
Optional
|
| Image Links |
Yes
|
Yes
|
Yes
|
| Windows Shares |
No
|
No
|
No
|
| Page Redirects |
Yes
|
No
|
Unknown
|
| Syntax Features | Instiki | Hatta | Wikia |
| HTML Tags |
All
|
None
|
Some
|
| Math formulas |
Yes
|
Optional
|
Yes
|
| Tables |
simple + complex
|
simple
|
simple + complex
|
| CREOLE support |
No
|
Yes
|
Optional
|
| Markdown Support |
Yes
|
No
|
Optional
|
| Textile Support |
Yes
|
No
|
Optional
|
| BBCode Support |
No
|
No
|
Optional
|
| Emoticon Images |
No
|
Optional
|
Optional
|
| Syntax Highlighting |
Yes
|
Optional
|
Optional
|
| Footnotes |
Yes
|
No
|
Yes
|
| Quoting |
Yes
|
Yes
|
Yes
|
| Internal Comments |
Yes
|
No
|
Yes
|
| Custom styles |
Yes
|
Yes
|
Yes
|
| FAQ Tags |
No
|
No
|
Yes
|
| Scripting |
None
|
JavaScript
|
Yes
|
| Content Includes |
Yes
|
No
|
Yes
|
| Feed Aggregation |
No
|
No
|
Unknown
|
| Usability | Instiki | Hatta | Wikia |
| Section Editing |
No
|
No
|
Yes
|
| Page Templates |
No
|
No
|
Yes
|
| Double-Click Edit |
No
|
Yes
|
Yes
|
| Toolbar |
No
|
No
|
Yes
|
| WYSIWYG Editing |
No
|
No
|
Yes
|
| Access Keys |
Yes
|
No
|
Yes
|
| Auto Signature |
Yes
|
No
|
Optional
|
| Statistics | Instiki | Hatta | Wikia |
| Recent Changes |
Yes
|
Yes
|
Yes
|
| Wanted Pages |
Yes
|
Yes
|
Yes
|
| Orphaned Pages |
Yes
|
Yes
|
Yes
|
| Most/Least Popular |
No
|
No
|
Yes
|
| Recent Visitors |
No
|
No
|
No
|
| Analysis |
No
|
No
|
Yes
|
| Output | Instiki | Hatta | Wikia |
| Printer Friendly |
Print View
|
Print CSS
|
Print CSS
|
| Mobile Friendly |
Yes
|
Yes
|
Yes
|
| Themes & Skins |
No
|
Optional
|
Yes
|
| RSS Feeds |
No
|
No
|
Yes
|
| ATOM Feeds |
Yes
|
Yes
|
Yes
|
| Abbreviations |
Yes
|
No
|
Yes
|
| Auto-TOC |
Yes
|
No
|
Yes
|
| Raw Export |
Yes
|
Yes
|
Yes
|
| HTML Export |
Yes
|
No
|
Yes
|
| XML export |
No
|
No
|
Yes
|
| PDF Export |
No
|
No
|
Optional
|
| Office Export |
Unknown
|
Unknown
|
Unknown
|
| Media and Files | Instiki | Hatta | Wikia |
| File Attachments |
Yes
|
Yes
|
Yes
|
| Media Revisions |
No
|
Yes
|
Yes
|
| Embedded Flash |
No
|
No
|
Unknown
|
| Embedded Video |
Yes
|
No
|
Yes
|
| Image Editing |
No
|
No
|
Unknown
|
| SVG Editing |
Yes
|
No
|
Unknown
|
| MindMap Editing |
No
|
No
|
Unknown
|
| Media Search |
No
|
Filenames only
|
Keywords
|
| Extras | Instiki | Hatta | Wikia |
| Calendar |
No
|
No
|
Unknown
|
| Image Galleries |
No
|
No
|
Yes
|
| Presentations |
Unknown
|
Unknown
|
Unknown
|
| Forums |
No
|
No
|
Yes
|
| Blogs |
No
|
No
|
Yes
|
| Ticket System |
No
|
No
|
Unknown
|
| Chat |
Unknown
|
Unknown
|
Unknown
|
| Syntax Examples | Instiki | Hatta | Wikia |
| Internal Link |
[[Some Page]] [[Some Page|anchor text]] [[Some Page#anchor]] [[Some Page#anchor|anchor text]] |
[[link]] [[link|label]] |
|
| External Link |
[another site](http://example.com) |
http://example.com
[[http://example.com]]
[[http://example.com|label]]
[[http://example.com|{{image}}]] |
|
| Headlines |
#Level 1# ##Level 2## ###Level 3### ####Level 4#### #####Level 5##### ######Level 6###### |
= h1 = == h2 == ... ===== h5 ===== |
|
| Bold Format |
**bold** |
**bold** |
|
| Italics Format |
_italic_, *italic* |
//italic// |
|
| Underline Format |
underlined
{: style='text-decoration:underlined'} |
n/a |
|
| Monospace Format |
`monospace` |
{{{verbatim}}} |
|
| Strikethrough Format |
<del>strikethrough</del>
strikethrough
{: style='text-decoration:line-through'} |
n/a |
|
| Superscript Format |
<sup>superscript</sup> |
n/a |
|
| Subscript Format |
<sub>subscript</sub> |
n/a |
|
| Images |
, [[image.jpg|alt text:pic]] |
{{image}}
{{image|alt}} |
|
| Aligning Text |
p{: style='text-align:left'}
p{: style='text-align:right'}
p{: style='text-align:center'}
p{: style='text-align:justify'} |
n/a |
|
| Text Indentation |
p
{: style='margin-left:3em'}
> blockquote |
n/a |
|
| Bulleted Lists |
* Item 1 ** Item 1.1 * Item 2 |
* list ** sublist |
|
| Numbered Lists |
1. Item 1 1. Item 1.1 2. Item 2 |
n/a |
|
| Definition Lists |
term : definition |
n/a |
|
| Horizontal Rule |
*** |
---- |
|
| remove Instiki | remove Hatta | remove Wikia |