FidoCADJ - FidoCadJ is a free user-friendly vector graphic editor for Mac OS X, Linux, Windows and Android.
CADMAPPER - Instant CAD files for any location on earth
LibrePCB - LibrePCB is a free EDA software to develop printed circuit boards.
MAPACAD - MAPACAD is an online website that is providing leverage to designers and architectures to have the ability to download CAD map cities that can be directly used in their projects.
JSchem - Free Cross-Platform Schematic Editor
Cadbull - Cadbull is a website that comes with an advanced collection of CAD blocks and DWG design, facilitating architects and designers to get done with their projects efficiently.