Description: GnuPlot is a free, open-source graphing utility that can produce publication-quality 2D and 3D plots. It supports various plot types like line, scatter, histogram, boxplot, and contour plots. GnuPlot can also fit and manipulate data.
Type: software
Pricing: Open Source
Description: Image Charts is a charting API that allows you to generate charts, graphs and other data visualizations by making simple API calls. It supports over 20 chart types including line, bar, pie and more.
Type: software
Pricing: Freemium