RTG Bills - Billing Made Easy: RTG Bills is software for legal billing and time tracking; for attorneys in law firms and sole practitioners; lawyer billing and accounting software; trust accounting
AptDiff - AptDiff is a visual text / binary files comparison and merging utility for Windows.
CaseFox - Web-based legal software for law firms and lawyers that has timekeeping, legal billing, expense tracking, time billing, trust accounting, case management, and many more features.
WinDiff - Download Windiff : free files and folders comparison tool
TekLAW - New Wave Tek, home of TekLaw law office practice management software. Calendaring, billing, case management software.
Online Text Compare - Online Text Compare tool allows you to compare two documents in different formats.