| Open source, free software: |
| 4nec2 - 2D and 3D antenna geometry structures modeler. |
| 7zip - zip, unzip. |
| audacity
- Audio processing. |
| CapCad - Capacitor modeling software. |
| Dia - Draw structured
diagrams (flow charting). |
| FireFox
- web Browser. |
| FreeMind
- Brain storming. |
| Gantt project -
A cross-platform desktop tool for project scheduling and management. |
| gnuplot -
Plotting. |
| Ghostscript, Ghostview and GSview
- an interpreter for the PostScript language and for PDF, and related software and documentation. |
| Kicad
creation of electronic schematic diagrams and printed circuit board artwork. |
| Maxima - Computer Algebra System. |
| Open Office -
Office suite. |
| OpenProj - Project. |
| Opera - web browser. |
| Qucs -
Electronic circuit
simulator. |
| pdf
Creator - Creates pdf files |
| QuickSmith
- Smith Chart based linear circuit simulation program. |
| RFSim99
- RF simulation. |
| Scilab - Mathematics. |
| SciDAVis
- Scientific Data Analysis
and Visualization.. |
| SMath -
Mathematics notebook. |
| TinyCAD
- Drawing of circuit diagrams (schematic drawings). |
| WinMerge -
Differentiating and merging tool for files. |
| WorldPad -
International world processor. |
| XLPlot
- Create graphs. |