From the link:
We are very excited to announce that we have made our self-research agent demo open source, you can now try our agent demo online at demo for instant English chat and English and Chinese chat locally by following the docs.
You should mention that the content is released under a CC BY-NC-SA 4.0 licence.
So which is it, open source or CC-BY-NC-SA? NC restrictions are not compatible with either the free software or the open source definitions.