4D is a full-stack development and runtime environment for quickly creating web, mobile, and desktop applications.

If you want to discover more about 4D, here are some useful links:

• the web site,
• the official documentation,
• the 4D blog to keep up with the new features,
• the 4D forum to stay close to the engineering and product teams and get help from the community,
• the 4D Depot GitHub organisation for examples to illustrate new features, and tools to make your development easier,
• and the 4D Go Mobile GitHub organisation with many extensions for your mobile application.