If you are using a LAN or a home network, then there might be many PCs sharing files and folders through the network. Find Network Shared Folders is a freeware tool to scan the Local Area Network (LAN) and also specify an IP range and will show the computers who are sharing folders out. Both hidden and visible folders shared can be shown using this tool.
This free tool is specially useful for system administrator who monitor a small company LAN, or a home network and need to get an instant overview of who is sharing folders out across the LAN.
The tool can also scan for one host in case you do not want to specify the IP range.