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: QUCS (Quite Universal Circuit Simulator) is an open-source electronics circuit simulator software. It allows you to set up electronic circuits and simulate them. Features include DC, AC, S-parameter, harmonic balance analysis, etc. It has a GUI for schematic capture and simulation control.
Type: software
Pricing: Free