SimpleMetric is a Rails plugin offering easy solution for storing and plotting measurements for your app

Draw graphs from data gathered by executing commands

Film plot retrieval bot.

A workflow tool to: reconcile bank-downloaded csv's into categorized pta journals. Run finance validations on those journals. And generate csvs and plots on the output.

Radiotagmap reads from Yes.com the songs that are currently playing in FM radios, then extracts the most played tag/genre in every U.S. state and returns a KML representation of this data, which can be plotted on a map using Google Maps or Google Earth.

A calculator supporting mathematical expressions, variables, functions and rudimentary plotting

xyp is a simple 2D graphics plotter

A simple plotting library for Ruby

Ruby Scientist and Graphics is a practical data science toolkit for Ruby. It includes a lightweight built-in DataFrame for loading, cleaning, and transforming data; quick descriptive statistics and correlations; charting via Gruff (bar and line); and simple ML utilities (linear regression and k-m...

algoplot uses Gnuplot to generate growth plots given N and functions.

Implementation of Bresenham's algorithm for lines and circles. Functions return sets of coordinates that can be used for plotting.

ctioga2 is a command-driven plotting program that produces high quality PDF files. It can be used both from the command-line and using command files (at the same time). It is based on Tioga (http://tioga.sourceforge.net).

CTioga - command-line interface for the Tioga plotting library

Draw graph with daru

Plot with ncl via Ruby: requires NCL 6.* and CDO 1.5.*

A graphing engine for jqplot

Markdown & Postres-based CMS engine for Rails.

Generates arrays of strings with graph based on data input of arrays of x,y inputs

Provides PLplot functions in a Ruby module. PLplot is a cross-platform software package for creating scientific plots.

Plows the fertile soil of your filesystem into neatly organized plots of web-site templates