Version 4 supported
This version of Silverstripe CMS is still supported though will not receive any additional features. Go to documentation for the most recent stable version.

How to's: extending Silverstripe CMS

How to Publish a Silverstripe CMS module
Have you created some work you think others can use? Turn it into a module and share it.
How to Create a Google Maps Shortcode
Learn how to embed a Google map in the WYSIWYG editor with a simple shortcode
Track member logins
Keep a log in the database of who logs in and when