ColorZilla - ColorZilla is an extension for Mozilla Firefox and the Mozilla Suite.
CADMAPPER - Instant CAD files for any location on earth
sK1 Color Picker - Color picker application powered by magnifying glass and palette management functionality.
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.
SwatchBooker - Free and open-source application to create, edit and (batch) convert colour swatches and palettes.
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.