TaxJar - TaxJar simplifies sales tax filing for eCommerce sellers.
Tricount - Manage and share expenses with friends
Octobat - Octobat provides automated tax-compliance and accounting for digital businesses.
Kittysplit - The easiest way of sharing costs with a group of friends
Avalara - Cut tax compliance costs, not corners. Avalara automates tax compliance and can help improve accuracy while reducing costs.
ihatemoney - Manage your shared expenses, easily