The Systems Engineering Suite (SES) v18 is the evolution of the Requirements Quality Suite (RQS) Version 15.

Systems Engineering Suite (SES) v18 is composed of these applications:

• RQA (formerly known as Requirements Quality Analyzer or RQA or in the first release of v18.1 as VERIFICATION Studio or System Quality Analyzer or SQA)
• RAT (formerly known as AUTHORING Tools or  Requirements Authoring Tool or Rich Authoring Tool) is composed of several plugins for different System Engineering Applications such as: DOORS, Integrity and Rhapsody (new!), and some other common Office tools such as Excel (new!) and Word (new!)
• KNOWLEDGE Manager (KM)
• Systems Engineering Suite Server (SE Suite Server) (formerly known as Requirements Quality Suite Server or RQS Server or SKR Server in the first release of v18.1)
• RQA Batch (SES Batch (formerly known as Requirements Quality Suite Synchronizer or RQS Synchronizer or SKR Batch Process in the first release of v18.1)

• Requirements Quality Suite Server (RQS Server) is the central configuration tool for Requirements Quality environment.
• Requirements Quality Analyzer (RQA) is a tool that assesses requirements quality by means of natural language processing techniques (NLP) and allows enhancing it iteratively.
• The Requirements Authoring Tool (RAT) enables requirements engineers to write their requirements according to the organization's best practices right at the first time.
• Complete System Knowledge Repository Management Tool.