Description: ePhone is a free, open source software for making voice over IP (VoIP) calls. It allows you to make free calls over the internet to other ePhone users as well as call landlines and cell phones for low rates using VoIP.
Type: software
Pricing: Open Source
Description: python(x,y) is an open-source mathematical plotting and data visualization library for the Python programming language. It provides a simple interface for creating 2D plots, histograms, power spectra, bar charts, errorcharts, contour plots, etc.
Type: software
Pricing: Open Source