Source: https://seerepo.com/compare/Mail-0/Zero/vs/TryGhost/Ghost
Markdown source: https://seerepo.com/compare/Mail-0/Zero/vs/TryGhost/Ghost.md
Description: Zero and Ghost share 24 technologies: React, React Router, Sentry, Vite, Hono, Tailwind CSS, class-variance-authority, tailwind-merge, sonner, Radix UI, React Hook Form, tiptap, dnd-kit, recharts, cmdk, react-day-picker, Lucide, Better Auth, dompurify, sanitize-html, Zod, @hookform/resolvers, jose, and Cheerio. Both are written in TypeScript.

# Zero vs Ghost

Zero and Ghost share 24 technologies: React, React Router, Sentry, Vite, Hono, Tailwind CSS, class-variance-authority, tailwind-merge, sonner, Radix UI, React Hook Form, tiptap, dnd-kit, recharts, cmdk, react-day-picker, Lucide, Better Auth, dompurify, sanitize-html, Zod, @hookform/resolvers, jose, and Cheerio. Both are written in TypeScript.

- [Mail-0/Zero](https://seerepo.com/r/Mail-0/Zero): Experience email the way you want with Mail0 – the first open source email app that puts your privacy and safety first. Join the discord: https://mail0.link/discord
- [TryGhost/Ghost](https://seerepo.com/r/TryGhost/Ghost): Independent technology for modern publishing, memberships, subscriptions and newsletters.

## What they share and what sets them apart

- In common: React, React Router, Sentry, Vite, Hono, Tailwind CSS, class-variance-authority, tailwind-merge, sonner, Radix UI, React Hook Form, tiptap, dnd-kit, recharts, cmdk, react-day-picker, Lucide, Better Auth, dompurify, sanitize-html, Zod, @hookform/resolvers, jose, Cheerio
- Only in Zero: idb-keyval, PostHog, Redis, Postgres, MCP, Gmail, Resend, tRPC, next-themes, motion, react-hotkeys-hook, novel, ProseMirror, tiptap-markdown, virtua, canvas-confetti, input-otp, react-resizable-panels, react-wrap-balancer, vaul, agents, ai, ElevenLabs, @react-email/components, email-addresses, streamdown, Drizzle, @tsndr/cloudflare-worker-jwt, OpenRouter, he, mimetext, react-email, string-strip-html, postal-mime, zod-to-json-schema, @clack/prompts
- Only in Ghost: Express, Preact, bson-objectid, tryghost, lru-cache, cache-manager, cache-manager-ioredis, Stripe, Mailgun, path-match, express-lazy-router, html2canvas-pro, @codemirror/theme-one-dark, @tryghost/custom-fonts, CodeMirror, xyflow, @uiw/react-codemirror, @floating-ui/react-dom, @svg-maps/world, @tanstack/react-virtual, D3, react-svg-map, papaparse, validator, Headless UI, @doist/react-interpolate, @number-flow/react, react-dropzone, country-flag-icons, knex, @tryghost/bookshelf-plugins, bookshelf, bookshelf-relations, knex-migrator, @tryghost/security, jsonwebtoken, express-session, otplib, cookie-session, cookies, express-jwt, handlebars, downsize-cjs, express-hbs, file-type, js-yaml, entities, image-size, heic-convert, html-to-text, html5parser, juice, node-html-markdown, probe-image-size, rss, @tryghost/validator, cron-validate, lexical, markdown-it, markdown-it-footnote, markdown-it-image-lazy-loading, markdown-it-lazy-headers, markdown-it-mark, markdown-it-sub, markdown-it-sup, codemirror-spell-checker, emoji-mart, uiw, @lezer/highlight, react-colorful, react-error-boundary, react-slider, @lexical/markdown, prop-types, @tryghost/logging, Ajv, ajv-formats, @tryghost/debug, sharp, nodemailer, parse-email-address

## Side by side

| | Zero | Ghost |
|---|---|---|
| Size | 91,712 lines written, 441 code files | 1,254,280 lines written, 4,224 code files |
| Who writes it | 0.6% of its commits signed by AI. With CodeRabbit, Devin, and Claude Code | 1.5% of its commits signed by AI. With Codex, Claude Code, Cursor, CodeRabbit, Amp, and GitHub Copilot |
| Activity | Last push October 27, 2026, 2,805 commits, 10,886 stars | Last push November 13, 2026, 52,111 commits, 55,801 stars |
| Tests | 62 test files. 16.6% of its code files have a test that imports them | 2,703 test files. 40% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, Zero or Ghost?

Ghost, with 1,254,280 lines written; Zero has 91,712.

The proof: [TryGhost/Ghost's code at commit fd6f4f7](https://github.com/TryGhost/Ghost/tree/fd6f4f749a613a540f7218f26c8cef4c282b15c2)

### Which has more GitHub stars, Zero or Ghost?

Ghost, with 55,801 stars; Zero has 10,886.

The proof: [TryGhost/Ghost on GitHub](https://github.com/TryGhost/Ghost)

### Which has more tests, Zero or Ghost?

Ghost, with 2,703 test files; Zero has 62.

The proof: [TryGhost/Ghost's code at commit fd6f4f7](https://github.com/TryGhost/Ghost/tree/fd6f4f749a613a540f7218f26c8cef4c282b15c2)

### Which was updated more recently, Zero or Ghost?

Ghost: its last push was on November 13, 2026, and Zero's on October 27, 2026.

The proof: [TryGhost/Ghost's commits on GitHub](https://github.com/TryGhost/Ghost/commits)

### Which has more commits signed by AI, Zero or Ghost?

Ghost: an AI signed 1.5% of its commits, with Codex, Claude Code, Cursor, CodeRabbit, Amp, and GitHub Copilot; in Zero, 0.6%.

The proof: [the commits each tool signed in TryGhost/Ghost](https://seerepo.com/r/TryGhost/Ghost/ai)

## Sources

- Mail-0/Zero: Read on November 13, 2026, at commit 3613273 (https://github.com/Mail-0/Zero/tree/36132735ca3b734b23f48127f9271c80d1ba76e7)
- TryGhost/Ghost: Read on November 13, 2026, at commit fd6f4f7 (https://github.com/TryGhost/Ghost/tree/fd6f4f749a613a540f7218f26c8cef4c282b15c2)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.