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We help founders sell their apps

On Borderline, you can contact founders and buy the codebase, domain, customers and revenue streams, etc of their apps. For 8 years, we've helped founders sell over $2m in apps.
Sometimes, founders run out of time, money or motivation to continue building thier app. Borderline helps founders sell their app for cash so they can reinvest in whatever you're most excited about next!

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$6,000

yesterday
154 views

Unsent.dev is a developer-first email platform that bridges the gap between raw infrastructure (Amazon SES) and modern developer experience. Built on a cutting-edge Next.js 15 & Hono stack, it provides a complete alternative to Resend with unified APIs, real-time analytics, and 8

Valuation reason: This price is calculated based on the Technical Asset Value (Cost of Replication). The project contains a production-grade Monorepo with 28+ packages and 8 fully maintained SDKs, representing over 300+ engineering hours. At a conservative freelance rate ($50/hr), replicating this architecture, documentation, and design from scratch would cost over $15,000. The asking price of $6,000 is <40% of the replacement cost, offering immediate intellectual property value for a high-quality codebase.

Tech Stack: react/nextjs, nodejs, hono, typescript,rust, go, elixer, java, php, python, ruby,

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All the information presented here is "self-reported" by the seller. It could be wrong, misleading or fraudulent. Before making a purchase, double, triple check everything.

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