LabPlot - LabPlot is a KDE-application for interactive graphing and analysis of scientific data.
Quantopian - Your algorithmic investing platform
SciDaVis - SciDAVis is a free application for Scientific Data Analysis and Visualization.
quantra - A public API for quantitative finance made with Quantlib
RJS Graph - RJS Graph is an artificial intelligence-based data management platform that allows users or developers to organize the data by manipulating the binaries, scientific, mathematical, and other insights with accurate results.
Pandas - Pandas is an open source library providing high-performance, easy-to-use data structures and data analysis tools for the Python.