Xmind - Xmind is a brainstorming and mind mapping application.
Clio - Clio provides a full suite of web-based practice management tools targeted specifically at the administrative needs of sole practitioners and small firms.
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
MyCase - Practice More, Manage Less.
FeatureMap - FeatureMap story mapping, simple and effective realtime collaboration and collective intelligence tool.
PracticePanther - PracticePanther offers CRM, invoicing, time tracking and communication solutions for law firms.