Workzone - Workzone is a web-based project management software.
Clio - Clio provides a full suite of web-based practice management tools targeted specifically at the administrative needs of sole practitioners and small firms.
Milestone Planner - Visual project planning tool. Powerfully simple. Quickly build and share professional milestone plans on-line to track deliverables - Free sign up.
MyCase - Practice More, Manage Less.
Xebrio - A Project Management Software to Fulfill Your Story From Requirements to Deployment.
PracticePanther - PracticePanther offers CRM, invoicing, time tracking and communication solutions for law firms.