Here is the Zettelkasten Maturity Model with links to existing posts:
Level 0: Incomplete
Knowledge work may or may not get completed.
= Make good notes
Level 1: Initial
Knowledge work gets completed but is often delayed and over budget.
= Level 0
+ Provide folders
+ Select tools
Level 2: Managed
Knowledge projects are planned, performed, measured, and controlled.
= Level 1
+ Start with clear goals
+ Link notes
+ Search and retrieve notes
Level 3: Defined
Established standards provide guidance across projects.
= Level 2
+ Setup Zettelkasten
+ Use tags
+ Use templates
Level 4: Qualitatively Managed
Data-driven with quantitative performance improvement goals aligned with user needs.
= Level 3
+ Review and revise notes
+ Metadata
+ AI
Level 5: Optimizing
Focus on continuous improvement and built to pivot and respond to opportunity and change.
= Level 4
+ Inspect and adapt process
+ Simplify Zettelkasten
But do not forget the one: Have fun!