marginallyclever / nodegraphcore

Core elements for Data flow programming

Donatello Flow-based Programming Editor

A pure Java implementation of Flow-based Programming (FBP) and a GUI editor.

Data-flow programming is aesthetically pleasing, greatly reduces the chance of syntax error, and empowering for people that are not fluent in the archaic syntax of text-only languages.

Features

• Nodes are not directed or forced to run via triggers. There is little danger of large networks overflowing the stack. They could be run in parallel.
• Folding: Collapse a subgraph down to a single Node with Fold and reverse with Unfold
• Convenient built-in nodes for basic math and reporting.
• Unit tests for everything! If it can be tested, we shall!
• The editor has written in Java Swing. The main executable class is com.marginallyclever.donatello.Donatello.
• While running the Swing editor you can also access Swing-only nodes like LoadImage and PrintImage. PrintImage results will appear in the background of the node editor panel.
• A ~/Donatello/ folder contains the application log file.
• A ~/Donatello/extensions/ folder contains 3rd party plugins. Add new Nodes or write your own.

Use it, Discuss it, Love it.

• Please see the Javadoc with the full API for Core and Swing.
• Please see guide for how to Contribute
• The Official webpage!
• Join the Discord channel and make new friends.

Based on work by

• https://nodes.io/story/
• https://github.com/janbijster/cobble
• https://github.com/kenk42292/shoyu
• https://github.com/paceholder/nodeeditor
• https://github.com/miho/VWorkflows
• https://nodered.org/
• Maya, Unity, Blender
• NoFlo, Flowhub
• and others

Learn more

• Flow based programming Discord
• https://jpaulm.github.io/fbp/

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