Best AI-native Software Newsletters in 2026

NewsletterFIT tracks 3 newsletters that cover AI-native software as a primary topic, 2 of them with posts in the last 90 days. By publicly shown subscriber count, the largest are Linear: A Vertical Software & Vertical AI Newsletter (10K), Next Big Teng (9K) and SaaS Barometer Newsletter (1K).

Updated Nov 7, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    Linear: A Vertical Software & Vertical AI Newsletter10K subscribers

    SubstackSeveral times a week · last post 5 days ago

    The newsletter on Vertical Software & AI. In your email inbox once a week. VerticalSaaSGroup.com

    Likely audience: Vertical SaaS founders

    Sponsors detected:

  2. 2
    Next Big Teng9K subscribers

    SubstackMonthly or less · last post Aug 7, 2026

    From recent posts: Next Big Teng analyzes late-stage venture trends, covering SaaS valuation resets, commercial space IPOs, and defense maritime technology. It targets investors tracking specific corporate events and emerging…

    Likely audience: SaaS founders

  3. 3
    SaaS Barometer Newsletter1K subscribers

    Substacklast post Sep 30, 2025

    From recent posts: The SaaS Barometer Newsletter publishes historical analysis and architectural definitions distinguishing traditional SaaS from AI-native software. The publication is currently concluding its run with a focus on the…

    Likely audience: SaaS executives

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