Check out BlueGraph-Samples for a starter project with a suite of different use cases and examples.
The core framework is built to be simple and extendable - supporting different workflows and requirements for different types of graphs.
If you want to play around with different examples, check out the BlueGraph-Samples project.
Requires Unity version 2019.3 or above.
In Package Manager click Add package from git URL and use the following:
You can also download one of the release versions and add that to your Packages directory.
Check out Getting Started on the wiki.
xNode is the original inspiration for this project and has a similar API.
Bolt is a general purpose scripting platform supported by Unity Technologies.