If you want to keep your Wi-Fi signal strength always visible you can use this software, WiFi SiStr

Here are some key features of “WiFi SiStr”:

· Small display customizable
· Windowless
· Settings by right-click on the main display
· Move by left button drag-n-drop

Requirements:

· .NET Framework 1.1

iPig creates a secure “tunnel” VPN that protects your communications (Email, Web, IM, VOIP, calls, FTP, etc.) at any Wi-Fi hotspot or wired network. iPig works with any kind of Internet connection (Wifi, WLAN, wired ethernet). iPIG shields your data from even the most sophisticated methods of online spying and snooping like the “Evil twin attacks”. Get iPig now – NO configuration required.

Wifi Freeware – 2hotspot

Create local wireless communities
# Bulletin board, chat and forums available locally with or without Internet service

2hotspot is a service that enables the creation of wireless hotspots. Run your own wireless hotspot network with centralized management of hundreds of locations or create a branded hotspot portal.

Share your broadband service
# Split your ISP bill.
# Control shared resources

hotspot software supports all wireless routers and access points.
Don’t have an access point? You can start with just a wifi card!.
Run your own wireless hotspot network
# Centralized management of hundreds of locations
# Hotspot billing
# Branded hotspot portal

The free 2hotspot software for Microsoft Windows XP, Windows 2003, or Windows 2000

other wifi freeware

2hotspot 1.4.0.5 Beta
myWIFIzone
iPIG