alphawiki vs. TWiki vs. GWiki vs. Zim

General Features alphawiki TWiki GWiki Zim
Version
v.20160608
TWiki-6.1.0
2.4.0
0.56
Last Release Date
2016-08-05 (7 years ago)
2018-07-15 (5 years ago)
2018-06-14 (5 years ago)
2012-04-01 (12 years ago)
Last Update here
2016-09-10 (7 years ago)
2019-07-19 (4 years ago)
2018-10-16 (5 years ago)
2012-07-16 (11 years ago)
Author
marty alain
Peter Thoeny, TWiki community
Roger Rene Kommer
Jaap Karssenberg
URL
Free and Open Source
Yes
Yes
Yes
Yes
License
GNU-GPL
GPL
Apache License, Version 2.0
GPL
Programming Language
PHP+Javascript
Perl, JavaScript
Java
Python
Data Storage
Files
Files, RCS
Database, Files
Files, RCS
License Cost/ Fee
0
N/A
Free
0
Development status
Mature
Mature
Mature
Mature
Intended Audience
private users, small teams
Large enterprise; small to medium businesses
User, Developer, Enterprise, Workgroups
Private users, small teams
System Requirements alphawiki TWiki GWiki Zim
Operating System
probably every OS
Linux, Windows, OS-X and other
Windows, Mac OS X, Linux (All Java Plattforms)
Linux, Windows, OSX
Root Access
Yes
No
No
No
Webserver
Apache with PHP support
Almost any webserver, typically Apache and Ngnix
All Java Servlet Container, included
None
Other Requirements
RCS (optional), cron/scheduler, fgrep, egrep; Plugins may have additional dependencies
Java 1.8+
Desktop environment with Gtk toolkit
Datastorage alphawiki TWiki GWiki Zim
Text Files
Yes
Yes
Yes
Yes
MySQL
No
No
Yes
No
PostgreSQL
No
No
Yes
No
Oracle
No
No
Yes
No
SQLite
No
No
No
No
BerkeleyDB
No
No
No
No
RCS
No
Yes
Plugin
Plugin
Other
None
RcsLite Perl library for version control without external RCS; backend API for other storage
Google Datastore
Text Files with index in SQLite
Security/Anti-Spam alphawiki TWiki GWiki Zim
Page Permissions
Yes
Yes
Yes
No
ACL
Yes
Yes
Yes
No
Authentication Backends
No
Internal authentication; anything Apache supports such as LDAP, NIS, AD, Kerberos
Internal and external with adapter
File permissions
Host Blocking
No
Plugin
No
No
Mail Encryption
No
Yes
No
No
nofollow
No
Plugin
Optional
No
Blacklist
No
Plugin
No
No
CAPTCHA
No
Plugin
Yes
No
Delayed Indexing
No
Plugin
No
No
Development/Support alphawiki TWiki GWiki Zim
# of Consultants
Preconfigured Hosting
No
Yes
Yes
No
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
N/A
N/A
4 ⭐
N/A
Common Features alphawiki TWiki GWiki Zim
Preview
Yes
Yes
Yes
No
Minor Changes
Yes
Yes
Yes
No
Change Summary
No
Yes
Yes
No
Page History
Yes
Yes
Yes
Plugin
Page Revisions
Unlimited
Unlimited
Unlimited
Unlimited
Revision Diffs
No
Between all
Between all
Between all
Sitemap
Yes
Yes
Yes
Yes
Plugin System
Yes
Yes
Yes
Yes
Special Features alphawiki TWiki GWiki Zim
Unicode Support
Yes
Yes
Yes
Yes
Right-to-Left Support
Unknown
No
Optional
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
2
German, English
27
Catalan, Czech, Danish, German, Greek, English, Spanish, Estonian, French, Galician, Hebrew, Hungarian, Italian, Japanese, Dutch, Polish, Portuguese, Romanian, Russian, Slovak, Slovenian, Serbian, Swedish, Turkish, Ukrainian, Chinese, Chinese Traditional
Email notification
No
Yes
Yes
No
Comments
Discussion Pages
Threaded
Threaded
No
Categories
Unknown
Yes
Yes
Plugin
Namespaces
Optional
Yes
Yes
Yes
Conflict Handling
Conflict Resolution
Conflict Resolution
Conflict Resolution
Conflict Resolution
Concurrent Editing
Unknown
Unknown
No
Unknown
Search
Full Text
Full Text
Full Text
Full Text
Wiki Farming
No
Optional
Yes
Yes
Structured Data
Unknown
Yes
Yes
No
Links alphawiki TWiki GWiki Zim
CamelCase
No
Yes
Plugin
Yes
Freelinks
Yes
Yes
Yes
Yes
Backlinks
No
Yes
Yes
Yes
InterWiki
No
Yes
No
Yes
SisterWiki
No
Plugin
No
No
Image Links
Yes
Yes
Yes
Yes
Windows Shares
No
Plugin
No
Yes
Page Redirects
No
Plugin
Yes
No
Syntax Features alphawiki TWiki GWiki Zim
HTML Tags
Optional
All
All
None
Math formulas
Yes
Plugin
No
Plugin
Tables
simple + complex
simple + complex
simple + complex
none
CREOLE support
No
No
No
No
Markdown Support
No
No
No
No
Textile Support
No
Plugin
Yes
No
BBCode Support
No
No
No
No
Emoticon Images
No
Yes
No
No
Syntax Highlighting
No
Plugin
Yes
No
Footnotes
Yes
Plugin
No
No
Quoting
No
Yes
Yes
No
Internal Comments
Yes
Yes
Yes
No
Custom styles
Yes
Yes
Yes
No
FAQ Tags
Unknown
Yes
No
No
Scripting
lambdatalk, lambdalisp,javascript
TWiki Markup Language, TWiki variables, JavaScript, extensive API
Groovy, Macros, JSP-Taglibs
None
Content Includes
Yes
Yes
Yes
No
Feed Aggregation
No
Yes
Plugin
No
Usability alphawiki TWiki GWiki Zim
Section Editing
Optional
Plugin
Plugin
Yes
Page Templates
Yes
Yes
Yes
Yes
Double-Click Edit
No
Plugin
No
Yes
Toolbar
No
Plugin
Yes
Yes
WYSIWYG Editing
Yes
Yes
Yes
Yes
Access Keys
Optional
Yes
Yes
Yes
Auto Signature
Optional
Yes
Plugin
No
Statistics alphawiki TWiki GWiki Zim
Recent Changes
Yes
Yes
Yes
No
Wanted Pages
No
No
Yes
Yes
Orphaned Pages
No
Plugin
Yes
No
Most/Least Popular
No
Yes
Yes
No
Recent Visitors
Yes
Plugin
No
No
Analysis
No
Yes
No
No
Output alphawiki TWiki GWiki Zim
Printer Friendly
Print CSS
Print View
Print CSS
Print View
Mobile Friendly
Yes
Plugin
Optional
No
Themes & Skins
Yes
Yes
Yes
Optional
RSS Feeds
No
Yes
Yes
No
ATOM Feeds
No
Yes
Yes
No
Abbreviations
Optional
Plugin
Plugin
No
Auto-TOC
Yes
Yes
Yes
Optional
Raw Export
Optional
Yes
Yes
Yes
HTML Export
Optional
Yes
Yes
Yes
XML export
No
Plugin
No
No
PDF Export
No
Plugin
No
No
Office Export
Unknown
Unknown
No
Unknown
Media and Files alphawiki TWiki GWiki Zim
File Attachments
Yes
Yes
Yes
Yes
Media Revisions
No
Yes
Yes
No
Embedded Flash
Yes
Plugin
Yes
No
Embedded Video
Yes
Plugin
Yes
No
Image Editing
No
Plugin
No
No
SVG Editing
Yes
Plugin
No
No
MindMap Editing
No
Plugin
No
No
Media Search
No
Contents
Contents
No
Extras alphawiki TWiki GWiki Zim
Calendar
Optional
Plugin
Plugin
Yes
Image Galleries
Yes
Plugin
Yes
No
Presentations
Unknown
Unknown
Plugin
Unknown
Forums
Yes
Plugin
Plugin
No
Blogs
Optional
Plugin
Plugin
Optional
Ticket System
No
Plugin
No
No
Chat
Unknown
Unknown
No
Unknown
Syntax Examples alphawiki TWiki GWiki Zim
Internal Link
1) standard syntax :
{a {@ href="?view=pixar"}pixar}
2) alternate wiki form :
[[pixar]]
WikiWord autolink
Otherweb.WikiWord
[[Spaced text]]
[[WikiWord][label]]
[path/Page]
[My Title|path/Page]
CamelCase [[foobar:subpage]] +subpage 
External Link
1) standard syntax :
{a {@ href="http://www.pixar.com/"}pixar}
2) alternate wiki form :
[[pixar|http://www.pixar.com/]]
http://twiki.org/ autolink
[[http://twiki.org/][label]]
[http://example.com]
wp?Wiki_Engine http://wikimatrix.org 
ftp://somehost/share
\\host\share\..
Headlines
1) standard syntax :
{h1 TITLE} from 1 to 6
2) alternate form :
_h1 TITLE (until end of line)
---+ Level 1
---++ Level 2
---+++ Level 3
---++++ Level 4
---+++++ Level 5
---++++++ Level 6
h1. Heading 1
h2. Heading 2
=== Heading ===
Bold Format
{b I am bold}
*bold*
*Bold Format*
**bold**
Italics Format
{i I am italic}
_italic_
_Italic format_
//italic//
Underline Format
{u I am underline}
<u>underline</u>
+Unterlined+
__underline__
Monospace Format
{pre I am monospace and preformated}
=monospaced text= and
<verbatim>
multi line text
</verbatim>
{{Monospace}}
``monospace``
Strikethrough Format
{del I am line-through}
<strike>strikethrough</strike>
-StrikeThrough-
~~strike~~
Superscript Format
E = mc{sup 2}
<sup>superscript</sup>
^Superscript^
^{sup}
Subscript Format
Vector low indiced : V{sub i} 
Vector high indiced: V{sup i}
Tensor : T{sub i}{sup j}
<sub>subscript</sub>
~Subscript~
_{sub}
Images
1) static image, simple :
{img {@ src="data/image.jpg"}}

2) static image, complete :
{img 
{@ src="data/image.jpg"  
height="200"
title="infotext"
}}

3) click_enlarging image :
{show 
{@ src="data/image.jpg"
height="200" 
width="400" 
title="infotext"
}}
%ATTACHURL%/image.png
http://any.domain/image.png
!path/SkinSampleGWiki.png!
{{./image.png}}
Aligning Text
{center I am centered}
| left |   center   |   right |
or HTML
or CSS
{div:style=...}
Aligned Text
{div}
not implemented
Text Indentation
{p I am an indented paragraph.}
<blockquote>
multi line text
</blockquote>
{div:style=...}
Aligned Text
{div}
indent with tabs
Bulleted Lists
1) standard :
{ul
{li item 1}
{li item 2}
}

2) alternative :
_ul item 1
_ul item 2
* Item 1
* Item 1.1
* Item 2
- Item 1
- Item 2
-- Sub Item
* List item
* sub items
* with indent
Numbered Lists
1) standard :
{ol
{li item 1}
{li item 2}
}

2) alternative :
_ol item 1
_ol item 2
1. Item 1
a. Item 1.a
1. Item 2
# Item 1
# Item 2
## Sub Item
1. List item
a. with sub items
b. ...
Definition Lists
{dl
{dt one} 
{dd definition 1}
{dt two} 
{dd definition 2}
}
$ Term: Definition
* Item 1
* Item 2
** Sub Item
not implemented
Horizontal Rule
{hr}
---
----
not implemented
remove alphawiki remove TWiki remove GWiki remove Zim