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Best Newsletter Sponsorship Opportunities Newsletters in 2026

NewsletterFIT tracks 4 newsletters that cover Newsletter sponsorship opportunities as a primary topic, 1 of them with posts in the last 90 days. By publicly shown subscriber count, the largest are Thoughts & Productivity (60K) and Freelancing For Good (1K).

Updated Nov 14, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    Trending Romance—

    SubstackWeekly · last post 10 days ago

    đź’– Discover your next romance obsession with our weekly Most Read Romances list and our monthly Trending Romance list.

    Likely audience: romance readers

  2. 2
    Thoughts & Productivity60K subscribers

    Substacklast post Oct 27, 2022

    Join 10,000+ others receiving Wednesday Stories, Saturday Insights, and Sunday Digests every week.

    Likely audience: subscribers interested in personal productivity

  3. 3
    Freelancing For Good1K subscribers

    Substacklast post May 15, 2026

    From recent posts: Freelancing For Good publishes monthly round-ups for freelancers seeking impact-driven work, featuring community updates, member spotlights, a freelancer directory, and a job board for nonprofit and effective altruism…

    Likely audience: freelancers

  4. 4
    Healthcare Workforce Report—

    Substacklast post Dec 6, 2024

    From recent posts: Healthcare Workforce Report shares holiday greetings, invites readers to complete a 2025 content survey, and announces sponsorship opportunities for healthcare workforce organizations.

    Likely audience: healthcare leaders

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