TaxJar - TaxJar simplifies sales tax filing for eCommerce sellers.
Startup Fucking Advice - A humor-based website that gives random startup advice.
Vertex Cloud - Vertex Cloud offers sales and use tax automation solutions.
Great F*cking Startup Advice - Strongly worded suggestions for startup founders
Thomson Reuters ONESOURCE - ONESOURCE tax software and solutions synchronize every aspect of your work and link international, country, state and local tax laws.
Startup Notes - Most actionable advice from each Startup School speaker