Mailwarm vs Hoppscotch
Side-by-side comparison of AI visibility scores, market position, and capabilities
Rouen France YC W20 email warmup at $50K MRR within months of launch with 2 employees; $150K seed automated inbox placement and sender reputation for cold outreach competing with Lemwarm and Warmbox.
About
Mailwarm is a Rouen, France-based email deliverability and warmup platform — backed by Y Combinator (W20) with $150,000 in seed funding in 2020 — providing businesses and sales teams using cold outreach with automated email warmup services that improve sender reputation and inbox placement by simulating positive email interactions with a network of real email accounts. Founded in 2020 by Amine Benjelloun and Gonzague Hacher, Mailwarm reached $50,000 in monthly recurring revenue within months of launch with a 2-person team, serving businesses that rely on cold email outreach for lead generation and need to avoid the spam filters that flag new sending domains and low-reputation email accounts.
Open-source browser-based API testing platform with 500K+ developers; $3M seed from OSS Capital competing with Postman as a lightweight, self-hostable alternative for REST and GraphQL testing.
About
Hoppscotch is an open-source API development and testing platform — providing a web-based, lightweight alternative to Postman and Insomnia for building, testing, and documenting REST, GraphQL, WebSocket, and gRPC APIs. Founded in 2019 by Liyas Thomas and Andrew Bastin in Kochi, India, Hoppscotch has grown to 500,000+ developers globally using the platform, raised $3 million in seed funding led by OSS Capital with participation from Automattic (WordPress.com parent), and offers a free open-source version alongside Hoppscotch Pro cloud with team collaboration and private workspaces.
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