inSSIDer - inSSIDer Essential makes it easy to maintain small business WiFi.
Connectify Hotspot - Connectify Me hotspot is a PC app that turns your computer into a Wi-Fi hotspot.
NetSpot - NetSpot is a free app for wireless site surveys, Wi-Fi analysis, and troubleshooting
Virtual Router Plus - Download Virtual Router Plus Windows Wifi Hotspot for free.
Vistumbler - Vistumbler is a wireless network scanner for Windows Vista and Windows 7. Features:
mHotspot - mHotspot is a completely free software which converts your windows 7 & 8 laptop into a virtual wifi router and creates a secure wifi hotspot.