Salvatore Sanfilippo is the creator and primary developer of the Redis database. He open-sourced Redis in early 2009, and has actively developed it since then. Salvatore is also the author of hping, a widely-used network security tool and the inventor of the Idle Scan, one of the Nmap port scanning methods. He has written extensively about Redis, as well as the programming language Tcl. Salvatore's development efforts are currently supported by VMware. Salvatore is a native of Sicily, where he lives and works.