Top Substack newsletters by category today: September 27, 2026
Austin Kleon leads 10 Substack newsletters by category on September 27, 2026. Hyperaware publishes the free-tier cut (top 10, delayed about 24 hours). 8 of the published top 10 are new versus the prior day; 2 hold over by exact title.
Top 10 Substack newsletters by category
- Austin Kleon #1
- Silver Bulletin #2
- Blackbird Spyplane | Unbeatable Recon | Style•Culture•Travel #3
- The Parnas Perspective #4
- Cassandra Unchained #5
- Practical Data Modeling #6
- The Forgotten Side of Medicine #7
- the bare minimum #8
- North South Notes #9
- Rich People Shit #10
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These ranks are the Hyperaware free snapshot for September 27, 2026: top 10 only, delayed about 24 hours. Agents can pull the same board with a free API key, or go Pro for live full-depth ranks.