Callis develops and supports: 1) Callis Guide: Process management solution which helps define, deploy, implement & improve knowledge based business processes, while reducing the cost of process maintenance/updates and managing compliance in a multi-model environment. 2) Callis Trace: Assessment preparation tool which reduces effort, risk & frustration associated with preparing for formal assessments, e.g. CMMI or Automotive SPICE. 3) Callis Reviewer: Peer review management tool supporting peer reviews of documents, including planning, recording defects, generating review reports, and collecting and presenting indicators..