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
Description: RefCanvas is a free, open-source collaborative whiteboard web application. It allows multiple users to draw, write, and share ideas on an online canvas in real-time. Features include drawing tools, text tools, image uploads, and reporting.
Type: software
Pricing: Freemium