Source: https://seerepo.com/compare/gitroomhq/postiz-app/vs/vercel/satori
Markdown source: https://seerepo.com/compare/gitroomhq/postiz-app/vs/vercel/satori.md
Description: postiz-app and satori share 4 technologies: React, Next.js, sharp, and parse5. Both are written in TypeScript.

# postiz-app vs satori

postiz-app and satori share 4 technologies: React, Next.js, sharp, and parse5. Both are written in TypeScript.

- [gitroomhq/postiz-app](https://seerepo.com/r/gitroomhq/postiz-app): 📨 The ultimate agentic social media scheduling tool 🤖
- [vercel/satori](https://seerepo.com/r/vercel/satori): Enlightened library to convert HTML and CSS to SVG

## What they share and what sets them apart

- In common: React, Next.js, sharp, parse5
- Only in postiz-app: NestJS, aws-sdk, @mastra/pg, Postgres, Redis, Sentry, Google, OpenAI, MCP, Resend, Stripe, @nestjs/swagger, @nest-lab/throttler-storage-redis, Vite, Tailwind CSS, React Hook Form, @uppy/core, Mantine, react-colorful, Prisma, bcrypt, evp_bytestokey, jsonwebtoken, mastra, LangChain, striptags, file-type, @aws-sdk/client-sesv2, image-to-pdf, isomorphic-dompurify, music-metadata, nodemailer, qrcode, remove-markdown, rss-parser, subtitle, class-validator, Zod, class-transformer, class-validator-jsonschema, yup, @ag-ui/mastra, @copilotkit/runtime, @mastra/core, copilotkit, react-tag-autocomplete, react-tooltip, react-dnd, uppy, Chart.js, polotno, react-dropzone, tiptap, @solana/wallet-adapter-react-ui, @uidotdev/usehooks, emoji-picker-react, react-country-flag, react-dnd-html5-backend, react-hotkeys-hook, react-sortablejs, react-use-keypress, @solana/wallet-adapter-react, @hookform/resolvers
- Only in satori: postcss-value-parser, css-to-react-native, twrnc, cssparser, harfbuzzjs, @resvg/resvg-js, escape-html, pixelmatch, react-resizable-panels, react-hot-toast, resvg, pdfkit

## Side by side

| | postiz-app | satori |
|---|---|---|
| Size | 135,579 lines written, 798 code files | 63,071 lines written, 98 code files |
| Who writes it | 13.3% of its commits signed by AI. With Claude Code and GitHub Copilot | 1.5% of its commits signed by AI. With Cursor, Claude Code, and GitHub Copilot |
| Activity | Last push November 13, 2026, 2,790 commits, 41,532 stars | Last push November 6, 2026, 526 commits, 14,169 stars |
| Tests | 0 test files | 96 test files. 19.4% 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, postiz-app or satori?

postiz-app, with 135,579 lines written; satori has 63,071.

The proof: [gitroomhq/postiz-app's code at commit 132859f](https://github.com/gitroomhq/postiz-app/tree/132859f32d854830ce44b509da87409c3ec10a77)

### Which has more GitHub stars, postiz-app or satori?

postiz-app, with 41,532 stars; satori has 14,169.

The proof: [gitroomhq/postiz-app on GitHub](https://github.com/gitroomhq/postiz-app)

### Which has more tests, postiz-app or satori?

satori, with 96 test files.

The proof: [vercel/satori's code at commit 074f0b3](https://github.com/vercel/satori/tree/074f0b38ed0f5d8fa768f709c0bb072b2d6c99e1)

### Which was updated more recently, postiz-app or satori?

postiz-app: its last push was on November 13, 2026, and satori's on November 6, 2026.

The proof: [gitroomhq/postiz-app's commits on GitHub](https://github.com/gitroomhq/postiz-app/commits)

### Which has more commits signed by AI, postiz-app or satori?

postiz-app: an AI signed 13.3% of its commits, with Claude Code and GitHub Copilot; in satori, 1.5%.

The proof: [the commits each tool signed in gitroomhq/postiz-app](https://seerepo.com/r/gitroomhq/postiz-app/ai)

## Sources

- gitroomhq/postiz-app: Read on November 13, 2026, at commit 132859f (https://github.com/gitroomhq/postiz-app/tree/132859f32d854830ce44b509da87409c3ec10a77)
- vercel/satori: Read on November 9, 2026, at commit 074f0b3 (https://github.com/vercel/satori/tree/074f0b38ed0f5d8fa768f709c0bb072b2d6c99e1)

## 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.