Useful tools

• Altium Designer

  https://www.altium.com/altium-designer/

• FreeCAD

  https://www.freecadweb.org/

• Git

  https://git-scm.com/

• KiCad EDA

  https://kicad-pcb.org/

• OpenSCAD

  http://www.openscad.org/

• Redmine

  https://www.redmine.org/

• Apache Subversion

  https://subversion.apache.org/