Build your own self-hosted cold email infrastructure — the open-source alternative to Smartlead/Instantly. Claude Code skill + full playbook.
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Updated
Jun 1, 2026 - JavaScript
Build your own self-hosted cold email infrastructure — the open-source alternative to Smartlead/Instantly. Claude Code skill + full playbook.
Open-source signal-based outbound. Turn Trustpilot 1-2 star reviews into AI-personalized cold-email drafts in Gmail. Self-hosted Node.js. Free alternative to Apollo, Instantly, Smartlead, Lemlist, and paid intent-data vendors. Drafts mode by default - you ship every send.
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