Zotonic is the content management system and framework for semantic data and high connectivity web sites.

Your data outlives your website. Share your data. Grow your data. Use Zotonic.

The Zotonic content management system excels in managing structured data from multiple sources. It brings structure to your documents and makes semantic data manageable for normal humans.

Real time connectivity is deeply integrated using the Internet of Things publish/subscribe protocol MQTT. 

Recent articles, cookbooks, release notes and video.

Release 0.68.0

Welcome to Zotonic 0.68.0, released on July 21, 2022.

Release 0.67.0

Welcome to Zotonic 0.67.0, released on July 5, 2022.

Release 0.66.0

Welcome to Zotonic 0.66.0, released on May 24, 2022.

Zotonic  Quick Intro

Zotonic Quick Intro

Presentation with an overview of Zotonic. Touches shortly the various parts to make yourself acquainted with the data model, code organization and other concepts.

Support & Services

Support & Services

Community support - mailinglists Do you want to start a Zotonic based project?  Then join our mailing lists and discuss Zotonic with us, our developers and our users.

Release 0.65.0

Welcome to Zotonic 0.65.0, released on March 17, 2022.

Release 0.64.0

Welcome to Zotonic 0.64.0, released on March 4, 2022.

Other cookbooks

Create a custom action Create a custom filter Create a custom model Create a custom controller Custom pivots Create a custom tag Custom search Pivot Templates Writing your own module Overriding Zotonic Execute tasks asynchronously using…

Shell cookbook

Activate/deactivate modules Filter and convert characters Erlang tab completion Debugging db (query) issues Reset a user’s password Restore/upgrade content db from backup

Just enough…

These Cookbook items each represent a stage in some Zotonic users’ journeys to understand the workings of Erlang and related technologies in general.

Frontend cookbook

These cookbook entries contain valuable nuggets of information regarding the frontend development of a site.

Admin cookbook

Creating a custom widget on the edit page Customizing the layout of the admin edit page Customizing the style of an admin page Storing date/time fields Admin template specific things Automatically add new users to a user group…

Cotonic: browser coroutines with an universal MQTT message bus | Marc Worrell | Code BEAM V 2020

Cotonic: browser coroutines with an universal MQTT message bus | Marc Worrell | Code BEAM V 2020

This video was recorded at Code BEAM V 2020 - https://codesync.global/conferences/code-beam-vCotonic: browser coroutines with an universal MQTT message bus |...

Release 0.63.0

Welcome to Zotonic 0.63.0, released on Oct 29, 2021.

Create a custom controller

Zotonic comes with a large collection controllers that cover many use cases, so you’ll probably have to resort to custom controllers less often than you may be used to from other web frameworks. Still, the time may come when you need to…

Release 0.62.0

Welcome to Zotonic 0.62.0, released on July 7, 2021.

Release 0.61.0

Welcome to Zotonic 0.61.0, released on June 7, 2021.

Release 0.60.0

Welcome to Zotonic 0.60.0, released on February 15, 2021.

Cowmachine decision flow and callbacks

Cowmachine decision flow and callbacks

Overview of controller callbacks and decisions.

Release 0.59.0

Welcome to Zotonic 0.59.0, released on December 18, 2020.