Thank you all for your suggestions.
Here is a summary of “Window’s alternatives” to DEVONthink, maybe this list will be useful to someone else:
- Zoot (https://www.zootsoftware.com/)
- Key MyInfo (https://www.milenix.com/myinfo/features)
- Info Select
- Microsoft OneNote
- Evernote
- Obsidian
- Roam Research
Cheers,
Claude