Remote Nmap is a python client/server package which allows many authorized clients to connect to a centralized nmap server to do their port scanning. This could be useful for security companies who want to have all their scans come from a dedicated machine.
You can download it from the following link: https://packetstormsecurity.com/files/download/26101/rnmap_0.7.tar.gz
Source: https://packetstormsecurity.com/files/26101/RNmap-0.7.html