Prerequisites and Useful Tools


  • Git
  • Once you have setup the Git repository, it is advised to look at the listed dependencies for by running Build/Scripts/ -h (see Using


  • IDE with TYPO3 plugins, such as PhpStorm or Visual Studio Code. While you can also use a simple editor, a properly setup IDE will help with code-completion, marking errors and applying coding guidelines.
  • DDEV for setting up the TYPO3 installation. Alternative methods are possible, e.g. using a locally installed web server and database. DDEV provides custom configurations for TYPO3 which can be used for core development as well.

Information on using these tools is covered in detail later on this chapter.