Crossfont - Easy-to-use font editor for Mac
Unleash - Open source Feature toggle/flag service. Helps developers decrease their time-to-market and to increase learning through experimentation.
BitFontMaker2™ - Fast and easy Online Bitmap font Editor.
Marvel for iOS - Rapid design and prototyping for the iPhone and iPad
FontForge - Free (libre) font editor for Windows, Mac OS X and GNU+Linux
Google Sites - Access Google Sites with a free Google account (for personal use) or G Suite account (for business use).