TaxJar - TaxJar simplifies sales tax filing for eCommerce sellers.
What Font Is - Find any font from any image (commercial or free)
Avalara - Cut tax compliance costs, not corners. Avalara automates tax compliance and can help improve accuracy while reducing costs.
FontFace ninja - A browser extension to identify and try fonts on any website
Thomson Reuters ONESOURCE - ONESOURCE tax software and solutions synchronize every aspect of your work and link international, country, state and local tax laws.
Fontsnatcher - Fontsnatcher helps you in identifying, testing and discovering new fonts and typefaces being used on the internet.