A tutorial post on the many options for selectively migrating content or data between MODX sites.
Quick tutorial on how to use MODX's FormIt Extra to handle AJAX form submissions with JSON responses for the browser.
This MODX Snippet returns Content Blocks layout settings for use anywhere in your template.
With the release of 1.6.0 you can now use getResource for recursive, nested menus in MODX, instead of the Wayfinder snippet.
The MODX Resource object has a secret-not-secret field, "properties" in which you can store a JSON object with any kind of data you like. However, there's no UI with which to edit that field. Here's some code to help you utilize it.
Selected articles from the official MODX Blog, by the author of this blog.
This modification of the cbGetFieldContent Snippet allows you to specify a comma-separated list of fields from which to try to fetch content, rather than being restricted to one field.
Update on MODX Revolution 2.2 site build: schema.org implementations.
A MODX Snippet for rapid prototyping.