Visual Paradigm is a modeling and diagramming tool for Agile team collaboration and is used by IT professionals.

Enterprise Architect is a modelling tool for business, software, systems and architecture.

Astah is a diagramming and modeling software tool for individuals and teams.

SysML is a modeling language for systems engineering applications.

CASE tool for software design & analysis

Gaphor is a UML, SysML, RAAML, and C4 modeling application for software and systems modeling.

MBSE4U is a publishing platform for Model-Based Systems Engineering, providing books, methods, and knowledge.

SysON is an open-source SysML modeling tool for system engineers, providing easy access to SysML v2 standard.

SysGit is a tool for agile hardware development, enabling timely acquisition of vehicles and weapon systems.

Sensmetry is a digital twin solutions provider for systems engineering, focused on SysML v2 tools and lifecycle management.

Systems Engineering Trends is a weekly update on digital transformation in product development, curated by Dr. Michael Jastram.

The MBSE Podcast is a podcast for Model-Based Systems Engineering and is used by systems engineering professionals.

MBSEworks is a tool-vendor neutral web community dedicated to Model-Based Systems Engineering (MBSE) technologies and their practical applications.

SysML Forum is a web community for Systems Modeling Language (SysML) and Model-Based Systems Engineering (MBSE) applications.

Vitech is a systems engineering company providing training, services, and software.

MBSE.One is a training and education platform for Model-Based Systems Engineering (MBSE) and SysML, offering courses, seminars, and webinars.

MBSE Tool Reviews is a review website for Model-Based Systems Engineering (MBSE) and SysML tools.

MBSE Consultants is a software engineering consultancy for model-based software development and is used by startups and businesses needing custom web and mobile applications.

SysMLtools.com is a resource for SysML modeling tools and MBSE applications.

MBSEmaestro.AI is an AI assistant for systems engineers to orchestrate complex workflows and amplify productivity using SysML ModSim tools.

No Magic is a model-driven engineering solution for analyzing, designing, simulating systems of systems.