Jupyter - Project Jupyter exists to develop open-source software, open-standards, and services for interactive computing across dozens of programming languages. Ready to get started? Try it in your browser Install the Notebook.

Line Graph Maker - Create a line graph for free with easy to use tools and download the line graph as jpg or png file.

iPython - iPython provides a rich toolkit to help you make the most out of using Python interactively.

Desmos - A beautiful, innovative, and modern online graphing calculator.

Kajero - Interactive JavaScript notebooks - create good-looking, responsive, interactive documents.

GeoGebra - GeoGebra is free and multi-platform dynamic mathematics software for learning and teaching.