Dineplan - Dineplan is a complete restaurant software solution from automating your sales to inventory.
BillGrid.com - BillGrid is an easy to use online invoicing, billing and expense management system that will save you time with tracking clients projects, expenses, invoices and payments.
Ticksy App - Restaurants POS
ChargeOver - ChargeOver automates recurring billing, subscription billing, & payment acceptance. A SaaS that integrates with Xero, Quickbooks, & has an API. Free trial.
eZee Burrp! - eZee BurrP! - Restaurant POS Software includes table reservation, material management, kitchen display system, helpful in the Restaurant Management. 30 days free trial is also available.
Elorus - A super-easy online invoicing & time tracking software