There are many tools you can use to create a diagram, and contributors are free to use the tool of their choice.
However, elements within a diagram must be easily edited or easy to reproduce with a different tool. Follow the file saving conventions outlined in Use recommended file formats. This ensures that a diagram can be reviewed and edited as OpenStack projects continue to change.
Open source tools can help streamline the review process by making diagrams easy to edit. Many open-source tools contain shapes and stencils that can be used in OpenStack. The following is a list of recommended open-source tools:
Draw.io: Draw.io contains most of the customization options needed to make diagrams. Diagrams can also be saved as a
.svgfile, which allows contributors to edit individual elements of each diagram.