CMS
CMS.js is a fully Client-side, JavaScript Markdown Site generator in the spirit of Jekyll that uses plain ol' HTML, CSS and JavaScript to generate your website. CMS.js is like a file-based CMS. It takes your content, renders Markdown and delivers a complete website in Single-Page App fashion.
Open-source
PSPP is particularly aimed at statisticians, social scientists and students requiring fast convenient analysis of sampled data.
Open-source
What is Plots? Plots is a graph plotting app for GNOME. Plots makes it easy to visualize mathematical formulae. In addition to basic arithmetic operations, it supports trigonometric, hyperbolic, exponential and logarithmic functions, as well as arbitrary sums and products. It can display polar equations, and both implicit and explicit
Open-source
SageMath is a free open-source mathematic software for mathematicians, data scientists and statisticians. It is built on top of many mathematic python packages. SageMath features include animated graphs, interactive plots, portable version that works directly from USB stick, interactive Python interface, notebook, rich documentation and more. SageMath is an ideal