The Systems Modeling Toolbox (SYSMOD) is a pragmatic approach to model the requirements and the system architecture of a system. It provides a toolbox of tasks with input and output work products, guidelines and best practices. SYSMOD uses the OMG Systems Modeling Language (OMG SysML), but could also be used with other languages.
The official publication and latest version of SYSMOD is the book SYSMOD – The Systems Modeling Toolbox (2nd edition. MBSE4U. 2016).
The ebook edition is available at leanpub.com/sysmod.
The print edition is available at
SYSMOD plugins for modeling tools are available on the download page.