Munin
github.com/getmunin/munin →One dev + Claude Code built an open-source HubSpot in a month
WHAT IT SOLVES
CRM is locked behind HubSpot/Salesforce paywalls — small teams either pay up or suffer
WHY IT'S INTERESTING
MCP-first, not an afterthought
MCP is baked into the architecture from day one — AI agents can natively operate on CRM data. Not an "we support AI too" checkbox, but a protocol-level foundation
835 commits, 892 tags, built in a month
This repo's activity doesn't look like a solo project — monorepo with apps + packages, changeset for versioning, husky hooks enforcing TS/TSX linting, full CI. The engineering density one person achieved with AI assistance is itself the signal
「OSS HubSpot alternative I built in a month with Claude Code」
TECH GUESS
TypeScript monorepo with React frontend + Node backend, changeset for versioning, husky pre-commit hooks
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