Bill.com - Bill.com provides ACH payments processing, automates your accounts payable and accounts receivable processes.
Kissflow - Kissflow is a workflow tool & business process workflow management software to automate your workflow process. Rated #1 cloud workflow software in Google Apps Marketplace.
Sage Intacct - Intacct is a cloud-based accounting and financial management system that is designed for the businesses of all levels.
Nintex - Cloud-based digital workflow management automation platform
Tipalti - Tipalti is a supplier payments automation solution to streamline all phases of the AP and payment management workflow.
ProcessMaker - ProcessMaker is an easy to use BPM and workflow software solution. It is used to design, automate, and deploy business processes of any kind.