KLEOS 4.5.1 is available as a free download on our software library. This program is a product of Kluwer. The program lies within Business Tools, more precisely Legal.
From the developer:
It manages everything that matters to your practice of law - cases, documents and emails, tasks and due dates, clients, time-tracking, bills, reporting.
You may want to check out more software, such as ADLForms, MultiCHAX or Plagius - Plagiarism Detector, which might be similar to KLEOS.