WinDirStat - WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat.
CosmoLex - A law practice management software, integrated web / cloud-based legal practice management solution or case management software for attorneys and law firms
WizTree - WizTree quickly finds the files and folders using the most space on your hard drive. It scans the MFT (Master File Table) instead of crawling the entire disk which makes it very fast.
Clio - Clio provides a full suite of web-based practice management tools targeted specifically at the administrative needs of sole practitioners and small firms.
SpaceSniffer - SpaceSniffer is a freeWare (donations are welcome) and portable tool application that lets you understand how folders and files are structured on your disks.
Tech4Law - Tech4Law is an integrated ERP solution that manages case life cycle from case to cash billing, clients, accounting, time records and documents.