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996 newsletters · 2,396 this month

Systems & Side-eyes newsletter by Katie Barnes: latest issues, cadence and price

by Katie Barnes · Substack · Free and paid · weekly · last issue Nov 5, 2026 · Active

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A field guide for cleaning up chaos, building smarter systems, and surviving early-stage silliness with your integrity intact.

Thu Nov 51 issue

Tue Nov 31 issue

Tue Oct 271 issue

Thu Oct 221 issue

Tue Oct 201 issue

Fri Oct 161 issue

Tue Oct 131 issue

Thu Oct 81 issue

Tue Oct 61 issue

Wed Sep 301 issue

Tue Sep 221 issue

Tue Sep 151 issue

Wed Sep 91 issue

Mon Aug 311 issue

Fri Aug 211 issue

Wed Aug 121 issue

Fri Aug 71 issue

Wed Jul 291 issue

Tue Jul 211 issue

Wed Jul 151 issue

Wed Jul 81 issue

Thu Jul 21 issue

Thu Jun 251 issue

Wed Jun 171 issue

Wed Jun 101 issue

30 issues on file since May 13, 2026; every one is in its own archive ↗.

About this newsletter

Photo

None found, so the logo or initials show. Photos come from Wikimedia Commons or official company pages, never LinkedIn or image search.

Free or paid

Free and paid on Substack. 25% of its latest 12 issues are for paying subscribers (from its public archive, checked weekly).

Issues per week, last 26 weeks

weekly, measured over the last six months (or since the feed's oldest issue)

Issues by month

Writes about

AI and agents (21), Tech business and strategy (5), Software engineering (2) in the last six months.

More on ai and agents

History

Free or paid

Now free with a paid tier, was free to read.

Source ↗