What is open-seo built with?

Q: Which repos have a stack like open-seo's?

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

open-seo is a TypeScript repo built with React, TanStack, Vite, alchemy, and fumadocs-core. It reaches it with Drizzle, signs people in with Better Auth, jose, and Cloudflare, uses AI through ai, agents, and OpenRouter, measures its use with PostHog, makes its content with Cheerio, react-markdown, remark-gfm, htmlparser2, papaparse, and 3 more, validates its data with Zod, is tested with Vitest and @playwright/test, and uses Postgres, SQLite, and MCP. It has 234,334 written lines, with 327 test files.

Read on November 8, 2026, at commit 46b815b. Read it as markdown

Frontend

The base 3

React315 files · in package.json
TanStack282 files
Vite2 files · in package.json

Styles 4

class-variance-authority10 files
@tailwindcss/vite1 file
Tailwind CSS
cn61 files

Interface 9

sonner67 files
tanstack51 files
fumadocs-ui49 files
Base UI24 files
recharts10 files
Leaflet5 files
react-leaflet3 files
Radix UI1 file
takumi-js1 file

Icons 1

Lucide184 files

Backend

Data 2

Postgres1 file · src/db/pg/client.ts, line 4
SQLite1 file · src/server/features/ai-visibility/aiVisibilityTestDb.ts, line 2

Data access 1

Drizzle77 files

Sign-in 3

Better Auth13 files
Cloudflare3 files
jose4 files

AI 3

ai8 files
agents7 files
OpenRouter2 files

Services 2

MCP5 files · src/client/mcp-widgets/useWidgetHost.ts, line 3
PostHog3 files · src/client/lib/posthog.ts, line 9

Support

The base 2

alchemy3 files
fumadocs-core1 file

Content 8

Cheerio5 files
fumadocs-mdx3 files
remark-gfm3 files
papaparse2 files
yaml1 file
react-markdown3 files
htmlparser22 files
fast-xml-parser1 file

Validation 1

Zod218 files

Testing 2

Vitest286 files
@playwright/test12 files

Tools 5

@cloudflare/workers-types2 files
@tanstack/react-devtools1 file
@vitejs/plugin-react1 file
TypeScript1 file
wrangler1 file

Other 6

tanstack160 files
remeda54 files
Effect3 files
autumn-js1 file
tldts4 files
robots-parser1 file

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