FontForge - Free (libre) font editor for Windows, Mac OS X and GNU+Linux
DWGFREE - DWGFREE is an online platform that comes with a comprehensive collection of CAD blocks that can be downloaded without the need for registration.
Glyphs - Make everything from dingbat webfonts to full-fledged text typefaces in the most Mac-like font...
RealityMAX - RealityMAX is the most powerful free 3D design collaboration platform, 100% online. Cooperate remotely with your colleagues on 3D projects and easily share your work with clients. Create Web3D and AR experiences in a snap, without a line of code.
FontCreator - This professional font editor allows you to create and edit TrueType and OpenType fonts.
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.