entree - Entree
PracticePanther - PracticePanther offers CRM, invoicing, time tracking and communication solutions for law firms.
Wherefour - Wherefour is an ERP (enterprise resource planning) solution used for managing customer relationships, and inventory, etc.
MyCase - Practice More, Manage Less.
CenterPoint Payroll Software - Better tools for those outgrowing basic payroll systems
Clio - Clio provides a full suite of web-based practice management tools targeted specifically at the administrative needs of sole practitioners and small firms.