Clio - Clio provides a full suite of web-based practice management tools targeted specifically at the administrative needs of sole practitioners and small firms.

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.

MyCase - Practice More, Manage Less.

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

PracticePanther - PracticePanther offers CRM, invoicing, time tracking and communication solutions for law firms.

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