What are some alternatives?
Avalara - Avalara TaxRates API is an easy way for developers to use sales tax rates in their project.
BambooHR - Personalized HR software for SMBs
FreshBooks - The ideal accounting software for small business owners.
Paycom - Paycom is a Human Capital Management system that helps companies manage the complete employment life cycle, from recruitment to retirement.
Sage Intacct - Sage Intacct is a cloud-based financial management software platform.
Namely - Namely is the end-to-end HR, payroll, and benefits platform for growing companies.