NeverBounce - Real-time email verification and cleaning to ensure emails never bounce.
Clio - Clio provides a full suite of web-based practice management tools targeted specifically at the administrative needs of sole practitioners and small firms.
Email List Verify - The Fastest Way to Improve Email List Deliverability and ROI
MyCase - Practice More, Manage Less.
Proofy - Quickly validate and verify your email lists.
PracticePanther - PracticePanther offers CRM, invoicing, time tracking and communication solutions for law firms.