Can PhalconPHP be used with other NoSQL databases?
Of course, as well as any another framework
Can you post an example of configuring it? Or it's not implemented by default?
There's a list of available DB Adapters here: http://phalcon-php-framework-documentation.readthedocs.org/en/latest/reference/db.html#database-adapters
You can get MongoDB adapter via the incubator: https://github.com/phalcon/incubator/tree/master/Library/Phalcon/Db/Adapter/Mongo
does any know know adapter support for Cassandra?