Free Skinnable Calculator Software

SkinCalc by Cloanto Corporation

SkinCalc, which is completely free, features standard and advanced calculator functionality, a spreadsheet interface, and skins. Skins make it possible to change the layout and functionality of the software, with effects that include non-rectangular shapes, user-configurable transparency and alpha channel translucency. More than 100 skins are available from the sites listed at skincalc.com, which also has instructions to create your own skins.

calculator spreadsheet skins excel cloanto transparent

Emsa Port Blocker by EMSA SYSTEMS LTD

Emsa Port Blocker is a TCP blocking utility. What it does, is blocking unwanted tcp access from/to your computer. It is not a firewall, but up to some extent it could be regarded as a similar tool. Its purpose is to prohibit TCP access on certain ports and ip addresses. IT can also be used as a TCP monitor because it shows TCP connections currently active on the machine. Freeware.

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IP Country Lookup by SpamButcher

IP Country Lookup is a free DNS tool for Windows that lets you lookup the country an IP address or hostname originates from. It uses a locally installed file containing a list of networks and associated countries to quickly determine the geographic source of an address. IP Country Lookup is provided entirely free and is not a trial or crippled version of the application.

lookup ip country network location ip address