FontForge - Free (libre) font editor for Windows, Mac OS X and GNU+Linux
AfterShip - AfterShip is the shipment tracking API for ecommerce businesses and marketplaces.
FontLab VI - font creation and editing, including variable fonts and color fonts
Cabubble - Taxi and minicab quotes for London, Birmingham, Manchester and throughout the UK. Book a licensed taxi or minicab online via website or mobile app.
Glyphs - Make everything from dingbat webfonts to full-fledged text typefaces in the most Mac-like font...
OnTime 360 - Cloud-based courier software with online order entry, route optimization, and dynamic tracking. The complete delivery software solution.