Top Substack newsletters by category today: September 21, 2026
The Parnas Perspective leads 10 Substack newsletters by category on September 21, 2026. Hyperaware publishes the free-tier cut (top 10, delayed about 24 hours). 7 of the published top 10 are new versus the prior day; 3 hold over by exact title.
Top 10 Substack newsletters by category
The Parnas Perspective
The Remembering
Diabolical Lies
LP's Picks by LP Giobbi
Steve Eisman
Remotely by Lucy Williams
@marissafindsahobby
Damnang Research
The Forgotten Side of Medicine
the bare minimum
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These ranks are the Hyperaware free snapshot for September 21, 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.