multica vs react-email

multica and react-email share 11 technologies: Redis, Resend, React, Next.js, Tailwind CSS, sonner, tailwind-merge, marked, Zod, PostCSS, and tiptap. multica is written in Go and react-email in TypeScript.

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What they share and what sets them apart

multica-ai

multica

Make humans and AI agents work as one team — open-source and self-hostable.

Go55kRead on November 5, 2026, at commit 98846ceWhat is multica built with?

Only in multica

In common

Only in react-email

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
multica1,429,010 lines written2,695 code files
react-email209,349 lines written931 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
multica35.7% of its commits signed by AIWith Claude Code, Cursor, Codex, and GitHub Copilot
react-email3.3% of its commits signed by AIWith Cursor, Claude Code, and GitHub Copilot
ActivityFrom GitHub and its history, on the day SeeRepo read it.
multicaLast push November 5, 20265,414 commits55,017 stars
react-emailLast push November 5, 20262,625 commits19,913 stars
TestsThe files that test the code, and the share of code files a test imports.
multica2,450 test files63.7% of its code files have a test that imports them
react-email194 test files18.3% of its code files have a test that imports them

Frequently asked questions

Which is bigger, multica or react-email?
multica, with 1,429,010 lines written; react-email has 209,349.

The proof: multica-ai/multica's code at commit 98846ce

Which has more GitHub stars, multica or react-email?
multica, with 55,017 stars; react-email has 19,913.

The proof: multica-ai/multica on GitHub

Which has more tests, multica or react-email?
multica, with 2,450 test files; react-email has 194.

The proof: multica-ai/multica's code at commit 98846ce

Which was updated more recently, multica or react-email?
Both got their last push on November 5, 2026.

The proof: resend/react-email's commits on GitHub

Which has more commits signed by AI, multica or react-email?
multica: an AI signed 35.7% of its commits, with Claude Code, Cursor, Codex, and GitHub Copilot; in react-email, 3.3%.

The proof: the commits each tool signed in multica-ai/multica

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