What is inbox-zero built with?

Q: Which repos have a stack like inbox-zero's?

The ones that share most of its stack: CherryHQ/cherry-studio, supabase/supabase, and Significant-Gravitas/AutoGPT.

inbox-zero is a TypeScript repo built with React, Electron, and Next.js. It stores its data in Vercel and Postgres, signs people in with Better Auth and jose, takes payments with Stripe, sends email with Resend, uses AI through ai, ai-sdk, chat, @posthog/ai, ollama-ai-provider-v2, and 3 more, measures its use with PostHog, watches its errors with Sentry, makes its content with Cheerio, nodemailer, he, @react-email/render, html-to-text, and 13 more, validates its data with Zod, next-safe-action, and @hookform/resolvers, is tested with Vitest, playwright, @playwright/test, Testing Library, emulate, and 2 more, deploys with next-axiom and serwist, and uses Redis, @chat-adapter/state-ioredis, bullmq, SQLite, MCP, and 6 more. It has 733,800 written lines, with 1,352 test files.

Read on November 10, 2026, at commit 845ed68. Read it as markdown

Frontend

The base 2

React513 files · in apps/web/package.json
Next.js504 files · in apps/web/package.json

Styles 4

Interface 21

React Hook Form55 files
sonner31 files
Radix UI27 files
react-day-picker12 files
Framer11 files
@clack/prompts8 files
motion7 files
tiptap4 files
usehooks-ts4 files
Headless UI3 files
recharts3 files
TanStack2 files

9 more

@mux/mux-player-react1 file
crisp-sdk-web1 file
react-resizable-panels1 file
react-syntax-highlighter1 file
react-hotkeys-hook3 files
react-textarea-autosize3 files
cmdk2 files
squire-rte2 files
use-stick-to-bottom1 file

Icons 1

Lucide277 files

Backend

Services 13

PostHog30 files · apps/web/utils/posthog.ts, line 1
Sentry15 files · apps/desktop/src/sentry.ts, line 1
MCP7 files · apps/web/utils/actions/mcp.ts, line 4
OpenAI4 files · apps/web/utils/decision-model/decision-model.ts, line 2
QStash4 files · apps/web/utils/qstash.ts, line 1
Resend2 files · packages/transactional-email/src/providers/resend.ts, line 1
Anthropic1 file · apps/web/utils/llms/model.ts, line 5
Apple1 file · apps/web/ee/billing/apple/index.ts, line 13
Braintrust1 file · apps/web/utils/braintrust.ts, line 1
Gmail1 file · apps/web/utils/gmail/client.ts, line 1
Loops1 file · packages/loops/src/loops.ts, line 1
Perplexity1 file · apps/web/utils/ai/meeting-briefs/generate-briefing.ts, line 3

1 more

Stripe1 file · apps/web/ee/billing/stripe/index.ts, line 1

Data 6

Redis7 files · apps/web/utils/redis/index.ts, line 2
Vercel5 files · apps/web/utils/queue/dispatch.ts, line 1
bullmq2 files
Postgres2 files · apps/web/utils/prisma.ts, line 1
SQLite1 file
@chat-adapter/state-ioredis1 file

Sign-in 2

Better Auth16 files
jose4 files

AI 6

ai54 files
ai-sdk10 files
@posthog/ai1 file
OpenRouter1 file
chat8 files
ollama-ai-provider-v21 file

Support

The base 1

Electron9 files

Testing 7

Vitest1,180 files
@playwright/test109 files
Testing Library79 files
playwright2 files
jsdom1 file
emulate9 files
vitest-mock-extended5 files

Tools 8

@microsoft/microsoft-graph-types19 files
@slack/types6 files
esbuild5 files
TypeScript2 files
@asteasolutions/zod-to-openapi1 file
tsx1 file
commander2 files
schema-dts1 file

Validation 3

Zod292 files
next-safe-action96 files
@hookform/resolvers34 files

Content 18

react-email20 files
Cheerio10 files
nodemailer10 files
@react-email/render4 files
@tiptap/markdown2 files
parse52 files
he9 files
html-to-text4 files
dompurify3 files
fast-xml-parser2 files
streamdown2 files
email-reply-parser1 file

6 more

gmail-api-parse-message1 file
ical.js1 file
linkify-it1 file
mammoth1 file
postal-mime1 file
unpdf1 file

Deploy 2

serwist2 files
next-axiom3 files

Other 28

SWR120 files
date-fns58 files
Lodash41 files
nuqs27 files
jotai14 files
@microsoft/microsoft-graph-client11 files
googleapis6 files
@slack/web-api4 files
dub2 files
undici2 files
@t3-oss/env-nextjs1 file
electron-updater1 file

16 more

nanoid1 file
server-only25 files
chat-adapter6 files
clsx4 files
p-retry4 files
ipaddr.js2 files
p-queue2 files
chrono-node1 file
cronstrue1 file
jsonrepair1 file
resumable-stream1 file
serialize-error1 file
stream-json1 file
string-similarity1 file
tlds1 file
tldts1 file

Other repos with a similar stack

Ordered by how much of its stack they share with inbox-zero, then by stars.

CherryHQcherry-studio
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Significant-GravitasAutoGPT
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Frequently asked questions

What language is inbox-zero written in?

inbox-zero is written in TypeScript, with 733,800 written lines.

What framework does inbox-zero use?

inbox-zero is built with React, Electron, and Next.js.

The proof: in apps/web/package.json

What database does inbox-zero use?

inbox-zero stores its data in Vercel and Postgres.

The proof: apps/web/utils/queue/dispatch.ts, line 1

What does inbox-zero sign people in with?

inbox-zero signs people in with Better Auth and jose.

What does inbox-zero take payments with?

inbox-zero takes payments with Stripe.

The proof: apps/web/ee/billing/stripe/index.ts, line 1

Does inbox-zero use AI?

Yes. inbox-zero uses AI through ai, ai-sdk, chat, @posthog/ai, ollama-ai-provider-v2, OpenRouter, OpenAI, and Anthropic.

What services does inbox-zero use?

inbox-zero sends email with Resend, measures its use with PostHog, watches its errors with Sentry, and uses Redis, @chat-adapter/state-ioredis, bullmq, SQLite, MCP, QStash, Apple, Braintrust, Gmail, Perplexity, and Loops.

The proof: packages/transactional-email/src/providers/resend.ts, line 1

Does inbox-zero have tests?

Yes. inbox-zero has 1,352 test files and is tested with Vitest, playwright, @playwright/test, Testing Library, emulate, vitest-mock-extended, and jsdom.

Which repos have a stack like inbox-zero's?

The ones that share most of its stack:CherryHQ/cherry-studio supabase/supabase Significant-Gravitas/AutoGPT