| General Features | Serendipity | ExpressionEngine | PSG |
|---|---|---|---|
| Version |
1.1
|
1.6
|
1.12.0
|
| Release Date |
2006-12-27 (17 years ago)
|
2004-04-22 (20 years ago)
|
2006-08-22 (17 years ago)
|
| Last Update here |
2020-02-05 (4 years ago)
|
2020-02-05 (4 years ago)
|
2020-02-05 (4 years ago)
|
| Author |
Garvin Hicking, Jannis Hermanns et al
|
EllisLab, Inc.
|
The PSG Team
|
| URL | |||
| Free and Open Source |
Yes
|
No
|
Yes
|
| License |
BSD
|
Proprietary
|
GPL
|
| License Cost/ Fee |
0
|
From 0$ - 249.95$
|
Free
|
| Development status |
Mature
|
Mature
|
Mature
|
| Interface Languages |
0
|
0
|
0
|
| Multi-User Support |
Yes
|
Yes
|
Yes
|
| Multi-Site Deployment |
Yes
|
Yes
|
Yes
|
| System Requirements | Serendipity | ExpressionEngine | PSG |
| Programming Language |
PHP
|
PHP
|
PHP
|
| Operating System |
Windows, Linux, Mac, Unix, others
|
Linux, Windows, OS X, BSD, Solaris
|
Any
|
| Webserver |
Anything with PHP (Apache, Lighttpd, IIS)
|
IIS, Apache
|
Any
|
| Root Access |
No
|
No
|
No
|
| Other Requirements |
Database (PostgreSQL, MySQL) or PHP5 (SQLite)
|
PHP must have XML support
|
None
|
| Datastorage | Serendipity | ExpressionEngine | PSG |
| Text Files |
No
|
No
|
Yes
|
| MySQL |
Yes
|
Yes
|
No
|
| PostgreSQL |
Yes
|
No
|
No
|
| Oracle |
No
|
No
|
No
|
| SQLite |
Yes
|
No
|
No
|
| BerkeleyDB |
No
|
No
|
No
|
| MS SQL Server |
No
|
No
|
No
|
| Other |
New DB layers can be created easily, if the target DB supports ANSI-SQL
|
No
|
|
| Anti-Spam | Serendipity | ExpressionEngine | PSG |
| Akismet Support |
Yes
|
Plugin
|
Plugin
|
| Word Blacklist |
Yes
|
Yes
|
No
|
| IP Ban List |
Yes
|
Yes
|
Yes
|
| CAPTCHA |
Yes
|
Yes
|
Plugin
|
| Other Anti-Spam mechanisms |
URL checks, Author name checks, remote HTML link checks,
|
Email Banning, secure forms, randomized Trackbacks, Bad Behavior extension
|
Moderation, link condom
|
| User Access Features | Serendipity | ExpressionEngine | PSG |
| ACL |
Yes
|
Yes
|
No
|
| Audit Log |
No
|
Yes
|
No
|
| LDAP Authentication |
Plugin
|
No
|
Plugin
|
| Other Authentication |
No
|
You can write your own auth plugin
|
|
| Support | Serendipity | ExpressionEngine | PSG |
| Commercial Support |
Yes
|
Yes
|
No
|
| Online Help |
http://www.s9y.org/33.html
|
http://expressionengine.com/support/
|
|
| Issue Tracker |
http://sourceforge.net/tracker/?atid=542822&group_id=75065&func=browse
|
http://expressionengine.com/bug_tracker/
|
http://savannah.nongnu.org/bugs/?group=psg
|
| Books |
None
|
None
|
None
|
| Support Forum | |||
| Mailing List | |||
| IRC-Channel | |||
| Blogging Features | Serendipity | ExpressionEngine | PSG |
| Categorization |
Multiple
|
Multiple
|
None
|
| Tags |
Plugin
|
Yes
|
Yes
|
| Archiving |
Yes
|
Yes
|
Yes
|
| Trackback |
Send+Receive
|
Send+Receive
|
Send+Receive
|
| Pingback |
Send+Receive
|
No
|
No
|
| Ping Service Support |
Yes
|
Yes
|
Yes
|
| Link- / Blogroll |
Plugin
|
Yes
|
No
|
| Protected Posts |
Yes
|
Yes
|
No
|
| Blog by Email |
Plugin
|
Yes
|
No
|
| Blog by SMS/MMS |
No
|
Yes
|
No
|
| Blog API |
MovableType, Blogger
|
Blogger, MovableType/Metaweblog
|
|
| Post Editing | Serendipity | ExpressionEngine | PSG |
| Multi-paged posts |
Yes
|
Yes
|
No
|
| Spell Checker |
Plugin
|
Yes
|
Optional
|
| WYSIWYG Editor |
Optional
|
Plugin
|
Optional
|
| Undo |
Optional
|
Yes
|
No
|
| Syntax Highlighting |
Plugin
|
Yes
|
No
|
| File Upload |
Yes
|
Yes
|
Yes
|
| Asset Management |
Yes
|
Yes
|
Yes
|
| Emoticon Images |
Yes
|
Yes
|
Plugin
|
| Comment Features | Serendipity | ExpressionEngine | PSG |
| Comment Layout |
Threaded
|
Flat
|
Flat
|
| Feeds for Comments |
Yes
|
Optional
|
Yes
|
| E-Mail on Followup |
Yes
|
Yes
|
Yes
|
| Gravatars |
Plugin
|
Plugin
|
Yes
|
| Open-ID Support |
None
|
None
|
None
|
| Extended Features | Serendipity | ExpressionEngine | PSG |
| Plugin System |
Yes
|
Yes
|
Yes
|
| Photo Gallery |
Yes
|
Yes
|
No
|
| Polls / Surveys |
Plugin
|
Plugin
|
No
|
| Search Engine |
Yes
|
Yes
|
No
|
| Custom Pages |
Plugin
|
Yes
|
No
|
| Google Sitemap |
Plugin
|
Optional
|
No
|
| Workflow | Serendipity | ExpressionEngine | PSG |
| Content Approval |
Optional
|
Yes
|
No
|
| Versioning |
Yes
|
Yes
|
No
|
| Article Publishing |
scheduled
|
scheduled
|
simple
|
| Comment Moderation Queue |
Yes
|
Yes
|
Yes
|
| Interoperability | Serendipity | ExpressionEngine | PSG |
| Content Import |
WordPress, Textpattern, Moveable Type, bblog, ...
|
MovableType, pMachine, RSS, CSV
|
|
| Content Export |
Dump to RSS, Database export
|
MySQL
|
|
| Unicode Support |
Yes
|
Yes
|
Yes
|
| WebDAV Support |
No
|
No
|
No
|
| HTML Output |
XHTML 1.1
|
XHTML 1.0 Transitional
|
XHTML 1.1
|
| Friendly URLs |
Yes
|
Yes
|
Yes
|
| Administration | Serendipity | ExpressionEngine | PSG |
| E-Mail Notifications |
Yes
|
Yes
|
Yes
|
| Themes / Skins |
Yes
|
Yes
|
Yes
|
| Trash |
No
|
No
|
No
|
| Web Statistics |
Plugin
|
Yes
|
No
|
| Web-based Style / Template Management |
Yes
|
Yes
|
No
|
| Comment Administration |
Yes
|
Yes
|
Yes
|
| Syndication | Serendipity | ExpressionEngine | PSG |
| RSS 0.9x |
Yes
|
Yes
|
No
|
| RSS 1.0 |
Yes
|
Yes
|
No
|
| RSS 2.0 |
Yes
|
Yes
|
Yes
|
| ATOM 0.3 |
Yes
|
Yes
|
No
|
| ATOM 1.0 |
Yes
|
Yes
|
No
|
| Podcasting/Videocasting | Serendipity | ExpressionEngine | PSG |
| Podcast Feeds |
Plugin
|
Yes
|
Yes
|
| ID3-Tag Editor |
Yes
|
No
|
No
|
| YouTube Support |
Plugin
|
Yes
|
No
|
| Media Converter |
No
|
No
|
No
|
| Phone2Podcast Support |
Plugin
|
Yes
|
No
|
| remove Serendipity | remove ExpressionEngine | remove PSG |