For running Nominatim:
* [PostgreSQL](https://www.postgresql.org) (9.3+)
- * [PostGIS](https://postgis.org) (2.2+)
+ * [PostGIS](https://postgis.net) (2.2+)
* [Python 3](https://www.python.org/)
- * [Psycopg2](https://initd.org/psycopg)
+ * [Psycopg2](https://www.psycopg.org)
* [PHP](https://php.net) (7.0 or later)
* PHP-pgsql
* PHP-intl (bundled with PHP)