Zenefits - All-In-One Online HR: Payroll | Benefits | Compliance
TaxJar - TaxJar simplifies sales tax filing for eCommerce sellers.
Absence - Employee vacation tracking system
Avalara - Cut tax compliance costs, not corners. Avalara automates tax compliance and can help improve accuracy while reducing costs.
CroxyProxy - CroxyProxy is the most advanced free and secure web proxy.
Thomson Reuters ONESOURCE - ONESOURCE tax software and solutions synchronize every aspect of your work and link international, country, state and local tax laws.