Syside documentation
Syside is a set of tools for working with SysML v2 models as text. You write the
model in .sysml files, and Syside checks it as you type, draws diagrams and
tables from it, and gives Python scripts direct access to it.
Syside tools
The fastest way to start with SysML v2, for free
Autocomplete, real-time validation, code navigation, and full language support inside VS Code.
Perfect for learning SysML v2, reviewing, and validating models. Works seamlessly with AI-assisted workflows.
Stop switching between text and diagrams manually
Author SysML v2 models in code and get always-in-sync diagrams generated and exported automatically.
Includes everything in Editor, plus full visualization, so you never need to leave your modeling environment.
The computational engine for your models
Generate docs, validate designs, run simulations, and build custom applications through Python.
Integrates into your existing tools and pipelines, making your model the single source of truth.
New to SysML v2? Advent of SysML v2 is a free 25-lesson course that runs in Syside Cloud, a hosted environment with Modeler and Automator already set up, so learning the language doubles as a trial of the paid tools.