Description: FreeMind is an open source mind mapping and knowledge management software. It allows users to visually organize ideas, tasks, and concepts in a node-based map.
Type: software
Pricing: Free
Description: GnuPlot is a free, open-source graphing utility that can produce publication-quality 2D and 3D plots. It supports various plot types like line, scatter, histogram, boxplot, and contour plots. GnuPlot can also fit and manipulate data.
Type: software
Pricing: Open Source