+For running the Python frontend:
+
+ * one of the following web frameworks:
+ * [falcon](https://falconframework.org/) (3.0+)
+ * [starlette](https://www.starlette.io/)
+ * [uvicorn](https://www.uvicorn.org/)
+
+For running the legacy PHP frontend:
+
+ * [PHP](https://php.net) (7.3+)
+ * PHP-pgsql
+ * PHP-intl (bundled with PHP)
+
+