Petra Hollins

Freelance technology journalist based in Philadelphia covering developer tools, infrastructure, and the business of SaaS. Former staff writer at Protocol, where she covered the email and messaging API space for two years before the publication closed. Her work has since appeared in The Information and Rest of World.

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1 comparison by Petra Hollins.

• ESP & transactional email comparison

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  Alternativas ao Manus AI: 4 ferramentas comparadas em 2026

  15 de julho de 2026

  Alternativas ao Manus AI: Genspark para usuários sem experiência técnica, Suna se self-hosting importar, Flowith para pesquisa paralela.