directorblue alternatives: newsletters like it

24 newsletters in the NewsletterFIT index cover the same topics as directorblue (Elon Musk biography, Tech entrepreneurship and Space exploration). The closest matches are Today in Cars, DeFranco Daily and Jason Calacanis on Startups. They are ranked by how many topics they share with it, then by publicly shown subscribers.

Updated Nov 12, 2026 · ranked by shared topics, then publicly shown subscribers · methodology

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  1. 1
    Today in Cars2M+ subscribers

    beehiivSeveral times a week · last post 8 days ago

    From recent posts: Today in Cars publishes daily automotive news, vehicle reviews, and market analysis for car enthusiasts and industry observers. The publication mixes standard automotive reporting with occasional sponsored investment…

    Likely audience: Car enthusiasts

    1 shared topic

  2. 2
    DeFranco Daily46K subscribers

    SubstackDaily · last post 9 days ago

    From recent posts: DeFranco Daily publishes a rotating mix of daily news digests and weekly deep dives covering US and international politics, entertainment controversies, legal developments, and technology. The publication serves readers…

    Likely audience: General news readers

    1 shared topic

  3. 3

    SubstackMonthly or less · last post Aug 25, 2026

    From recent posts: This publication covers startup ecosystems, venture capital training, and founder networking events, targeting entrepreneurs, investors, and career-changers. It mixes conference announcements, recruitment drives, and…

    Likely audience: Tech industry leaders

    1 shared topic

  4. 4

    SubstackWeekly · last post 11 days ago

    Likely audience: Philosophy enthusiasts

    1 shared topic

  5. 5
    The Curiosity Files29K subscribers

    SubstackMonthly or less · last post 9 days ago

    From recent posts: The Curiosity Files is a weekly newsletter covering ancient history, archaeology, space exploration, and cutting-edge science. It publishes a mix of feature articles on topics like human origins, neuroscience, and…

    Likely audience: General curious readers

    1 shared topic

  6. 6
    The Curbivore18K subscribers

    SubstackWeekly · last post 14 days ago

    Commerce Moves to the Curb

    Likely audience: urban planners

    1 shared topic

  7. 7
    The Innermost Loop18K subscribers

    SubstackSeveral times a week · last post 9 days ago

    From recent posts: The Innermost Loop publishes weekly long-form articles analyzing the intersection of AI infrastructure, safety, regulation, and economic shifts. The publication targets researchers, policymakers, and industry observers…

    Likely audience: Tech industry executives

    1 shared topic

  8. 8
    CoMotion NEWS16K subscribers

    SubstackSeveral times a week · last post 13 days ago

    Cutting-edge news and analysis of the mobility revolution — from batteries to bicycles, 15-minute city conspiracy theories, sustainable maritime and everything in between.

    Likely audience: Mobility industry professionals

    1 shared topic

  9. 9

    SubstackWeekly · last post 9 days ago

    From recent posts: Frank Merenda publishes Italian business strategy articles analyzing case studies in retail, automotive, fashion, and hospitality, focusing on pricing psychology, brand positioning, and market failures. The publication…

    Likely audience: Business analysts

    1 shared topic

  10. 10

    SubstackSeveral times a week · last post 8 days ago

    From recent posts: This publication delivers destination guides, travel journalism, and cultural heritage content focused on locations like Albania, Helsinki, St. Petersburg, Sri Lanka, and South Africa's Sabi Sand. It operates as a…

    Likely audience: Travel enthusiasts

    1 shared topic

  11. 11
    Hope Dose15K subscribers

    SubstackEvery two weeks · last post 14 days ago

    Not quite f*d.

    Likely audience: Climate tech investors

    1 shared topic

  12. 12

    SubstackMonthly or less · last post Aug 14, 2026

    From recent posts: What Follows with Nate Thuli publishes interviews with aerospace leaders, industry experts, and journalists alongside event coverage for aviation professionals and enthusiasts. The content mixes long-form discussions on…

    Likely audience: Aviation industry professionals

    1 shared topic

  13. 13
    Stephen Blais10K subscribers

    SubstackEvery two weeks · last post 19 days ago

    Updates on Stephen's work as a community leader in Orléans and other musings.

    Likely audience: Orléans residents

    1 shared topic

  14. 14
    Today's Facts8K subscribers

    SubstackSeveral times a week · last post 8 days ago

    From recent posts: Today's Facts is a daily news roundup aggregating US politics, international events, health, crime, and trivia, often ending with subscription and donation requests. It is written for readers seeking a broad, daily…

    Likely audience: General news consumers

    1 shared topic

  15. 15
    The Quantum Cat8K subscribers

    SubstackEvery two weeks · last post 22 days ago

    From recent posts: The Quantum Cat publishes weekly science reports covering astronomy, particle physics, and the history of mathematics. It targets readers interested in current scientific discoveries and space exploration, with content…

    Likely audience: Space enthusiasts

    1 shared topic

  16. 16

    SubstackMonthly or less · last post 9 days ago

    From recent posts: Rachel Lincoln Sarnoff's Good Newsletter publishes monthly reports on renewable energy adoption, climate policy, and environmental advocacy. The publication features data-driven progress updates alongside occasional…

    Likely audience: Environmental advocates

    1 shared topic

  17. 17

    SubstackMonthly or less · last post 44 days ago

    Unofficial grassroots community of The All-In Podcast. Hosting in-person events around the world and online to connect like-minded fans. Organized by Rae Lambert.

    Likely audience: Event organizers

    1 shared topic

  18. 18

    SubstackMonthly or less · last post 57 days ago

    From recent posts: The Electrotech Revolution publishes data-driven reports and analysis on the global transition to electrification, focusing on energy storage, AI infrastructure, and the economic shifts in emerging markets. The…

    Likely audience: Policy makers and government officials

    1 shared topic

  19. 19
    Chaotic Natural6K subscribers

    SubstackEvery two weeks · last post 14 days ago

    Food, farms, fitness, finance and the future. Five Fs, zero fucks. Start where you're standing.

    Likely audience: EV owners

    1 shared topic

  20. 20

    SubstackEvery two weeks · last post 33 days ago

    From recent posts: The Principle of Optimism publishes a mix of long-form profiles on industrial innovation and robotics, curated hardware startup lists, and weekly links covering European manufacturing, biotechnology, and startup…

    Likely audience: Hardware founders

    1 shared topic

  21. 21
    Meșteri în Mașini3K subscribers

    SubstackEvery two weeks · last post 11 days ago

    From recent posts: Meșteri în Mașini publishes a weekly Romanian automotive newsletter covering electric vehicle launches, market statistics, and real-world testing reports. The publication targets car enthusiasts and industry…

    Likely audience: Car enthusiasts

    1 shared topic

  22. 22
    davidkerley3K subscribers

    SubstackMonthly or less · last post 46 days ago

    The Transportation Transformation. EVs- Space- Aviation. A decade of change.

    Likely audience: Space enthusiasts

    1 shared topic

  23. 23
    China in Space1K subscribers

    SubstackWeekly · last post 27 days ago

    From recent posts: China in Space publishes weekly reports on Chinese space policy, satellite constellation launches, and orbital collision risks. The publication covers technical specifications of state and commercial missions alongside…

    Likely audience: Space industry professionals

    1 shared topic

  24. 24

    SubstackWeekly · last post 9 days ago

    From recent posts: Moral Dilemmas: First Drafts & Commentaries publishes science articles on topics like astrobiology, entropy, and space exploration. The publication is intended for readers interested in scientific concepts and…

    Likely audience: Science enthusiasts

    1 shared topic

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