Backend: Usermanagement

User Self-Registration

Version 2.50 (GPL, Last Updated 2021-07-31)
Garvin Hicking, Ian Styx
Serendipity >= 2.0

Allows blog visitors to create their own author account. Together with the Event-plugin (index.php?serendipity[subpage]=adduser) you can choose whether only registered users may post comments.

Frontend: Entry Related

Show tagged entries

Version 4.00 (GPL, Last Updated 2021-01-03)
Garvin Hicking, Jonathan Arkell, Grischa Brockhaus, Lars Strojny, Ian Styx
Serendipity >= 2.1.0

Shows a list of existing tags for entries

Frontend: External Services

Amazon Recommendations

Version 1.25 (GPL, Last Updated 2019-08-18)
Matthew Groeninger, (original plugin by Thomas Nesges)
Serendipity >= 1.6

Recommend Products at Amazon within the Amazon-Partnerprogram

Creative Commons

Version 1.2 (GPL, Last Updated 2019-08-09)
Evan Nemerson, Ian Styx
Serendipity >= 1.6

Display a creative commons notification in the sidebar.

External PHP Application

Version 1.2 (GPL, Last Updated 2019-10-23)
Garvin Hicking
Serendipity >= 1.6

Shows an external PHP application inside your blog with your blogs design and all formattings. USE WITH CARE, THIS PLUGIN HAS SECURITY IMPLICATIONS AS IT INCLUDES ANY GENERIC PHP FILE! YOU CAN ONLY USE THIS PLUGIN AS ADMIN!

Feedburner Sidebar

Version 1.4 (GPL, Last Updated 2020-07-01)
Aaron Axelsen
Serendipity >= 1.6

Adds assorted functionality of the feedburner service into the sidebar.

Flickr badge

Version 0.14 (GPL, Last Updated 2018-08-31)
Lars Strojny
Serendipity >= 1.6

Shows your last photos on

Gadu-Gadu IM status description

Version 1.5 (GPL, Last Updated 2019-08-18)
Piotr Borys
Serendipity >= 1.6

Gets and displays a status description of Gadu-Gadu IM

Geotag Google/OSM Map

Version 1.42 (GPL, Last Updated 2017-02-02)
Zoran Kovacevic, Grischa Brockhaus, Matthias Gutjahr, Martin Sewelies
Serendipity >= 1.6

This plugin displays a Google Map or Openstreetmap with geotagged entries

Google PageRank

Version 0.35 (GPL, Last Updated 2020-01-23)
Christian Lescuyer
Serendipity >= 1.6

Dynamic display of Google PageRank

Google Quicksearch

Version 1.6 (GPL, Last Updated 2018-04-03)
Wesley Hwang-Chung
Serendipity >= 1.6

Search for an entry (Google)

On »Heavy Rotation«

Version 0.12 (GPL, Last Updated 2018-08-31)
Lars Strojny
Serendipity >= 1.6

This plugin displays an album cover from which was on Heavy Rotation (top album) in the last week


Version 0.6 (GPL, Last Updated 2019-08-09)
Bernd Distler, Ian Styx
Serendipity >= 1.6

show statistics of Piwik in sidebar

Random Quotes

Version 1.06 (GPL, Last Updated 2019-10-22)
Florian Solcher
Serendipity >= 2.0

Shows a block with a random quotation


Version 1.06 (GPL, Last Updated 2019-10-22)
John Mann
Serendipity >= 2.0

Display Shoutcast stream information in the sidebar.

Social Bookmarks Plugin

Version 0.48 (GPL, Last Updated 2019-08-18)
Matthias Gutjahr
Serendipity >= 1.6

A plugin to display bookmarks from a social bookmark service (, ma.gnolia,, linkroll, Mister Wong) via an RSS feed.

Wikipedia Finder

Version 1.5 (GPL, Last Updated 2018-04-03)
Serendipity Team
Serendipity >= 1.6

Highlight a phrase and click the icon to search on using Wikipedia.

flickr Photostream

Version 1.10 (GPL, Last Updated 2019-08-09)
Michael Kaiser, Ian Styx
Serendipity >= 1.7

Display the latest photos from flickr Photostreams.

Frontend: Features

Authors login

Version 1.10 (GPL, Last Updated 2020-03-22)
Garvin Hicking, Neil Dudman
Serendipity >= 2.0

Show a login form for authors

My Calendar

Version 0.15 (GPL, Last Updated 2021-07-19)
Garvin Hicking, Markus Gerstel, Ian Styx
Serendipity >= 2.0

Shows your personal calendar with X upcoming scheduled events


Version 1.05 (GPL, Last Updated 2021-01-11)
Matthias Lange, Ian Styx
Serendipity >= 2.0

Displays a shoutbox for unrelated comments


Version 0.6 (GPL, Last Updated 2019-08-18)
Christoph Eunicke <>
Serendipity >= 1.6

Shows the time of up to four timezones

Upcoming Events

Version 0.28 (GPL, Last Updated 2021-07-30)
Matthias Gutjahr, Ian Styx
Serendipity >= 1.6

Display upcoming and recommended events in the sidebar and apply the hCalendar microformat to them.

Frontend: Views


Version 0.5 (GPL, Last Updated 2018-05-24)
Jim Dabell
Serendipity >= 1.6

Displays adverts from Google.

Birthdays of users

Version 0.5 (GPL, Last Updated 2017-11-04)
Falk Doering
Serendipity >= 1.6

Category Tree Menu

Version 1.12 (GPL, Last Updated 2016-07-07)
Jackson Miller, Sebastian Bauer
Serendipity >= 0.7

DHTML category menu. Requires PEAR::HTML_TreeMenu.

Choose Language

Version 1.18 (GPL, Last Updated 2019-09-15)
Garvin Hicking, Wesley Hwang-Chung, Ian Styx
Serendipity >= 2.1

Allows visitors to change the frontend interface language


Version 2.1 (GPL, Last Updated 2020-01-23)
Dustin Hawkins
Serendipity >= 0.8

Displays items you are currently listening, playing, or reading...

FAQs Category Chooser

Version 0.3 (GPL, Last Updated 2017-02-02)
Falk Doering
Serendipity >= 1.6

Choose the categories you will display on the blog.

Guestbook Sidebar

Version 1.27 (GPL, Last Updated 2020-03-22)
Jaap Boerma ( ), Tadashi Jokagi <>, Ian Styx
Serendipity >= 1.6

Display the latest guestbook items in the sidebar

Language-Specific HTML Nugget

Version 1.10 (GPL, Last Updated 2016-07-07)
Wesley Hwang-Chung
Serendipity >= 1.6

Shows an HTML nugget on the sidebar, for a specific language.

Serendipity Authors

Version 1.2.3 (GPL, Last Updated 2021-03-07)
Falk Doering
Serendipity >= 3.0

Shows a list for all Authors

Show Entries in sidebar

Version 1.11 (GPL, Last Updated 2019-08-18)
Garvin Hicking
Serendipity >= 1.7

Shows entries of special categories in your sidebar. Good for Sidebar Moblogging!

Show trusted users

Version 1.2 (GPL, Last Updated 2020-12-15)
Loris Zena
Serendipity >= 1.6

Displays all users with their ethics (represented by a traffic light). Green light means 'cool'; yellow light means 'warning'; red light means 'banned' The administrator can easily modify this value for each user.

Static Page List

Version 1.33 (GPL, Last Updated 2021-04-24)
Rob Antonishen, Falk Doering, Ian Styx
Serendipity >= 2.1.0

This plugin displays a configurable list of the static pages.

Theme dropdown

Version 1.3 (GPL, Last Updated 2020-03-22)
Evan Nemerson
Serendipity >= 1.6

Show a box to change themes

Twitter Timeline

Version 2.00 (GPL, Last Updated 2020-06-05)
Grischa Brockhaus, Damian Luszczymak, Garvin Hicking
Serendipity >= 2.0

Show your current Twitter entries


Coppermine Thumbnails

Version 1.4 (GPL, Last Updated 2016-07-07)
Matthew Maude
Serendipity >= 0.8

Display thumbnails from a Coppermine gallery in the sidebar

Photoblog Entries

Version 1.3 (GPL, Last Updated 2020-12-15)
Cameron MacFarland
Serendipity >= 1.6

Shows the thumbnails of the most recent photoblog entries (see event plugin).

Unified Sidebar Image Display

Version 2.8 (BSD, Last Updated 2021-04-24)
Andrew Brown (Menalto code), Matthew Groeninger (Unified/Media Lib. Code), Stefan Lange-Hegermann (Zooomr Code), Matthew Maude (Coppermine code), Ian Styx
Serendipity >= 3.2

Offers the ability to display images in the sidebar. The source of the images is configurable. The plugin is able to access a Coppermine database directory (MySQL only), or access images in the Serendipity Media Library. PLEASE NOTE: This plugin has been checked working with recent Serendipity installs for the Serendipity Media Library only.

flickr Photostream

Version 1.10 (GPL, Last Updated 2019-08-09)
Michael Kaiser, Ian Styx
Serendipity >= 1.7

Display the latest photos from flickr Photostreams.


Average Rating

Version 1.2.2 (GPL, Last Updated 2017-04-25)
Lewe Zipfel, Garvin Hicking
Serendipity >= 1.7

Shows top-rated movies by their average rating

Karma Ranking

Version 1.2 (GPL, Last Updated 2019-08-18)
Andreas Brandmaier
Serendipity >= 1.6

Shows overall score by author


Version 2.18 (GPL, Last Updated 2021-08-03)
Garvin Hicking, Evan Nemerson
Serendipity >= 0.8

Shows the current poll in your sidebar

Popular Entries

Version 1.11 (GPL, Last Updated 2019-10-22)
Kaustubh Srikanth
Serendipity >= 2.0

Shows the titles and number of comments of the most popular entries calculated according to the entries most commented on.

Spam Report

Version 1.4.4 (GPL, Last Updated 2016-07-07)
Grischa Brockhaus, Janek Bevendorff
Serendipity >= 1.6

Prints out a statistic about your comment spam if your antispam plugins report to the DB.


Version 1.7 (GPL, Last Updated 2020-07-18)
Arnan de Gans, Garvin Hicking, Ian Styx
Serendipity >= 1.6


Top Exits

Version 1.2 (GPL, Last Updated 2016-07-07)
Serendipity Team
Serendipity >= 0.8

Shows top exit links from your Blogs

Top Referrers

Version 1.3 (GPL, Last Updated 2016-07-07)
Serendipity Team
Serendipity >= 0.8

Shows top sites that linked to your Blogs