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Xartup is a Substack publication that provides actionable startup, fundraising, and growth guidance for founders, with a focus on AI SaaS and micro-SaaS models. Its articles cover strategies for securing funding, term sheets, equity, and growth levers like retention, moats, and community building. The content aims to help founders turn measurable outcomes into capital and scale sustainably through practical playbooks and case studies.
AI named Xartup in December 2025.