Free, open-source scientific data analysis and plotting software with an Origin-like workflow.
SciDAVis is free, open-source scientific data analysis and visualisation software whose interface and workflow resemble Origin, usable for tabular data processing, 2D/3D plotting, curve fitting and basic data analysis. It suits users who want to plot experimental data through a graphical interface.
Use cases: scientific plotting, experimental data analysis, Origin alternative, curve fitting, 2D and 3D charts
Note: The project may be less actively maintained than the R / Python ecosystems; combine it with other tools for complex analysis.