Winmacs is a legal practice management software developed by Rummel AG, a German software company founded in 2001. Winmacs is designed to help law firms and other legal professionals manage all aspects of their practice, from case management to billing.

Winmacs offers a number of features that are specifically tailored to the needs of law firms, including case management, billing, document management (integrating with stp.one), communication, and reporting. 

Key Features and Functions include:

• Digital Case Management
  Provides a centralized digital workspace for managing client data, case files, workflows, deadlines, reminders, appointments, and related matter activity. The product is designed to support multi-case work and common law firm processes within a single interface.
• Document Management
  Supports document creation, formatting, storage, and assignment to case files and workflows. The product page also references routing documents through email, beA, and other digital systems.
• Cloud and On-Premises Deployment
  Can be used in the cloud or installed on a firm’s own servers. The cloud version is presented as browser- and app-accessible and includes support for related applications such as email and Office 365.
• Financial Management
  Includes tools for billing, bookkeeping, planning, budgeting, forecasting, and financial analysis. The product page also references automated billing functions and export of accounting records for tax accountants.
• Client Communication
  Supports management of client communications within the system, including digital signing, assignment of messages to case files and histories, and integration with beA workflows.
• Access Control and Secure Storage
  Includes secure file storage and role-based access controls. For the cloud offering, stp.one states that partner data centers are ISO 27001-certified, located in Germany, and EU GDPR-compliant.