With linkhandler a handful of LinkHandlers will be registered in your TYPO3 system. You can use them in RTE (rte_ckeditor) in link fields and everywhere where t3:// is allowed.

Registered LinkHandlers

Packagist

With this LinkHandler you can create links to Packagist. Add vendor and packagist and this LinkHandler will start a request to Packagist API and retrieves the download stats for given package. If response is valid the download stats will be added to link text.

Example: t3://packagist?vendor=stefanfroemken&package=mysqlreport

Result: <a href="https://packagist.org/packages/stefanfroemken/mysqlreport">MySQl Report <span>(Total Downloads: 2649)</span></a>