IBM System Architect vs TIBCO Business Studio comparison

IBM Rational System Architect is an enterprise architecture tool, that you can use to visualize, analyze, and communicate all aspects of an enterprise architecture by applying industry-standard frameworks, notations, and methods. After you capture and understand an architecture, you can plan and implement its future improvements intelligently.

TIBCO Business Studio is a standards-based business process modeling environment that enables business experts and process authors to collaborate to create process models, organization models, data models, forms and pageflow models for deployment to TIBCO ActiveMatrix BPM. It is also the common Eclipse-based environment for building composite applications across the entire ActiveMatrix family, including business process management (BPM) and service-oriented architecture (SOA) applications.