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.

The Attorney Case File - The Attorney Case File offers full flexibility and incredible detail for handling case your office handles.

ChargeOver - ChargeOver automates recurring billing, subscription billing, & payment acceptance. A SaaS that integrates with Xero, Quickbooks, & has an API. Free trial.

Legal Files - Legal Files is a legal case and matter management system that can deliver an optimal solution for all legal case management needs.

Elorus - A super-easy online invoicing & time tracking software

Micropact - entellitrak is an open architecture Unified BPM platform that takes a Data-First approach to Dynamic Case Management and Business Process Management.