Forum user Erkosone is developing an online ranking system in Bennu and is providing his service for free.
As he explained in the forum, he need to test the system and thinks the best way is to provide the service for other games to use as well. Right now it doesn’t have any kind of limitations of use but he thinks a very popular game may be not supported by the capacity of his server.
The service allows you to save only 2 fields (name and ranking) and returns up to 10 positions
Read more on the forum post and download the example here.