Source: https://seerepo.com/compare/elie222/inbox-zero/vs/twentyhq/twenty
Markdown source: https://seerepo.com/compare/elie222/inbox-zero/vs/twentyhq/twenty.md
Description: inbox-zero and twenty share 24 technologies: React, Sentry, Electron, Redis, Postgres, bullmq, MCP, OpenAI, Anthropic, Stripe, Zod, React Hook Form, Framer, tiptap, react-hotkeys-hook, react-textarea-autosize, jose, ai, ai-sdk, nodemailer, html-to-text, dompurify, @hookform/resolvers, and react-email. Both are written in TypeScript.

# inbox-zero vs twenty

inbox-zero and twenty share 24 technologies: React, Sentry, Electron, Redis, Postgres, bullmq, MCP, OpenAI, Anthropic, Stripe, Zod, React Hook Form, Framer, tiptap, react-hotkeys-hook, react-textarea-autosize, jose, ai, ai-sdk, nodemailer, html-to-text, dompurify, @hookform/resolvers, and react-email. Both are written in TypeScript.

- [elie222/inbox-zero](https://seerepo.com/r/elie222/inbox-zero): The world's best AI personal assistant for email. Open source app to help you reach inbox zero fast.
- [twentyhq/twenty](https://seerepo.com/r/twentyhq/twenty): The open alternative to Salesforce, designed for AI.

## What they share and what sets them apart

- In common: React, Sentry, Electron, Redis, Postgres, bullmq, MCP, OpenAI, Anthropic, Stripe, Zod, React Hook Form, Framer, tiptap, react-hotkeys-hook, react-textarea-autosize, jose, ai, ai-sdk, nodemailer, html-to-text, dompurify, @hookform/resolvers, react-email
- Only in inbox-zero: Next.js, Vercel, @chat-adapter/state-ioredis, SQLite, PostHog, QStash, Apple, Braintrust, Gmail, Perplexity, Loops, Resend, Tailwind CSS, class-variance-authority, next-themes, tailwind-merge, sonner, Radix UI, react-day-picker, motion, usehooks-ts, Headless UI, recharts, cmdk, TanStack, @mux/mux-player-react, crisp-sdk-web, react-resizable-panels, react-syntax-highlighter, use-stick-to-bottom, Lucide, Better Auth, chat, @posthog/ai, ollama-ai-provider-v2, OpenRouter, Cheerio, he, @react-email/render, @tiptap/markdown, fast-xml-parser, streamdown, email-reply-parser, gmail-api-parse-message, ical.js, mammoth, postal-mime, unpdf, next-safe-action, next-axiom, serwist, @clack/prompts, squire-rte, parse5, linkify-it
- Only in twenty: Vite, react-router-dom, idb-keyval, Express, @nestjs/core, @nestjs/cache-manager, ClickHouse, aws-sdk, keyv, connect-redis, Google, AWS S3, NestJS, graphql-scalars, graphql-yoga, emotion, sharp, @emotion/styled, @fontsource/inter, @tiptap/core, css-select, css-what, react-error-boundary, Base UI, xyflow, @dnd-kit/react, @floating-ui/react, react-grid-layout, react-intersection-observer, react-data-grid, react-imask, input-otp, monaco-editor, react-dropzone, linkify-react, @dagrejs/dagre, @graphiql/plugin-explorer, Scalar, country-flag-icons, marked, react-qr-code, papaparse, react-markdown, remark-gfm, TypeORM, @nestjs/typeorm, passport-google-oauth20, jsonwebtoken, openid-client, @azure/msal-node, bcrypt, express-session, otplib, passport-jwt, passport-microsoft, @node-saml/passport-saml, Passport, @e2b/code-interpreter, @aws-sdk/client-sesv2, node-ical, @react-pdf/renderer, file-type, sanitize-html, class-validator, class-transformer, json-schema, @nestjs/terminus, @aws-sdk/client-lambda, Cloudflare, opentelemetry, entities, lightningcss, PostCSS, frimousse, @tabler/icons-react

## Side by side

| | inbox-zero | twenty |
|---|---|---|
| Size | 733,800 lines written, 2,514 code files | 2,785,537 lines written, 26,644 code files |
| Who writes it | 14.7% of its commits signed by AI. With Claude Code, Cursor, CodeRabbit, and Codex | 1.9% of its commits signed by AI. With Claude Code, Cursor, GitHub Copilot, and Sweep |
| Activity | Last push November 10, 2026, 10,459 commits, 12,966 stars | Last push November 5, 2026, 17,869 commits, 60,472 stars |
| Tests | 1,352 test files. 47.3% of its code files have a test that imports them | 7,108 test files. 29% 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, inbox-zero or twenty?

twenty, with 2,785,537 lines written; inbox-zero has 733,800.

The proof: [twentyhq/twenty's code at commit 8919279](https://github.com/twentyhq/twenty/tree/8919279eb61454c40b27b118d9b43ab0e7a3e040)

### Which has more GitHub stars, inbox-zero or twenty?

twenty, with 60,472 stars; inbox-zero has 12,966.

The proof: [twentyhq/twenty on GitHub](https://github.com/twentyhq/twenty)

### Which has more tests, inbox-zero or twenty?

twenty, with 7,108 test files; inbox-zero has 1,352.

The proof: [twentyhq/twenty's code at commit 8919279](https://github.com/twentyhq/twenty/tree/8919279eb61454c40b27b118d9b43ab0e7a3e040)

### Which was updated more recently, inbox-zero or twenty?

inbox-zero: its last push was on November 10, 2026, and twenty's on November 5, 2026.

The proof: [elie222/inbox-zero's commits on GitHub](https://github.com/elie222/inbox-zero/commits)

### Which has more commits signed by AI, inbox-zero or twenty?

inbox-zero: an AI signed 14.7% of its commits, with Claude Code, Cursor, CodeRabbit, and Codex; in twenty, 1.9%.

The proof: [the commits each tool signed in elie222/inbox-zero](https://seerepo.com/r/elie222/inbox-zero/ai)

## Sources

- elie222/inbox-zero: Read on November 10, 2026, at commit 845ed68 (https://github.com/elie222/inbox-zero/tree/845ed686eb065901c942bcb3e9076dffb218c6a2)
- twentyhq/twenty: Read on November 5, 2026, at commit 8919279 (https://github.com/twentyhq/twenty/tree/8919279eb61454c40b27b118d9b43ab0e7a3e040)

## 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.