Nutmeg is multiplatform, multilingual plotting tool. Primarily, it aims to be light, fast, and responsive, and has been designed to be the go to tool for visualizing and playing with data in the experimental phase of a project.
Notable Features:
With Nutmeg, figures are laid out using QML (see Nutmeg in Action). These can be used as templates, making it easy to reuse figure styles.
The actual plot data, titles, labels, and other things unique to the figure can be set from your code. This paradigm is more similar to those of Matlab and Matplotlib.