FriendCaller vs Slope
A side-by-side look at FriendCaller and Slope. For an in-depth review of either product, follow the links below.
FriendCaller
Social & Communications
FriendCaller is a free software for making internet phone calls. It allows you to call your friends for free over the internet using Voice over IP technology. FriendCaller has an easy-to-use interface and works on Windows, Mac and Linux systems.
voipinternet-callingfree-callsvoice-chat
Slope
Education & Reference
Slope is a WebGL-based graphing calculator that allows users to create and interact with mathematical graphs and functions. It has many options for customization and features a simple, intuitive interface.
graphingcalculatormatheducation
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