LegalTrek - LegalTrek is a complete practice management system for modern law firms.
Clio - Clio provides a full suite of web-based practice management tools targeted specifically at the administrative needs of sole practitioners and small firms.
MyCase - Practice More, Manage Less.
ActionStep - Web-based application to run your law practice. Complete solution including Workflows, Accounting, Trust Accounting, Payroll, Email & Contacts, Calendars and Knowledge Base.
PracticePanther - PracticePanther offers CRM, invoicing, time tracking and communication solutions for law firms.
Xero - Xero is online accounting for your small business.