Source: https://seerepo.com/compare/gitroomhq/postiz-app/vs/onyx-dot-app/onyx
Markdown source: https://seerepo.com/compare/gitroomhq/postiz-app/vs/onyx-dot-app/onyx.md
Description: postiz-app and onyx share 7 technologies: Next.js, React, Redis, Postgres, Sentry, Stripe, and OpenAI. postiz-app is written in TypeScript and onyx in Python.

# postiz-app vs onyx

postiz-app and onyx share 7 technologies: Next.js, React, Redis, Postgres, Sentry, Stripe, and OpenAI. postiz-app is written in TypeScript and onyx in Python.

- [gitroomhq/postiz-app](https://seerepo.com/r/gitroomhq/postiz-app): 📨 The ultimate agentic social media scheduling tool 🤖
- [onyx-dot-app/onyx](https://seerepo.com/r/onyx-dot-app/onyx): Open Source AI Platform - AI Chat with advanced features that works with every LLM

## What they share and what sets them apart

- In common: Next.js, React, Redis, Postgres, Sentry, Stripe, OpenAI
- Only in postiz-app: Google, Node.js, MCP, Resend
- Only in onyx: Expo, FastAPI, PostHog, Google Cloud Storage

## Side by side

| | postiz-app | onyx |
|---|---|---|
| Size | 132,403 lines written, 780 code files | 1,580,032 lines written, 4,036 code files |
| Who writes it | 11.5% of its commits signed by AI. With Claude Code and GitHub Copilot | 11.6% of its commits signed by AI. With Claude Code, Devin, Cursor, CodeRabbit, GitHub Copilot, and Sweep |
| Activity | Last push October 31, 2026, 2,715 commits, 40,328 stars | Last push November 1, 2026, 11,257 commits, 33,146 stars |
| Tests | 0 test files | 3,061 test files. 43.4% 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 onyx?

onyx, with 1,580,032 lines written in 4,036 code files; postiz-app has 132,403 in 780.

The proof: [onyx-dot-app/onyx's code at commit 3eb6420](https://github.com/onyx-dot-app/onyx/tree/3eb6420f6c7d6c0a94a0b7107a6138509c6d0f48)

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

postiz-app, with 40,328 stars; onyx has 33,146.

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

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

onyx, with 3,061 test files.

The proof: [onyx-dot-app/onyx's code at commit 3eb6420](https://github.com/onyx-dot-app/onyx/tree/3eb6420f6c7d6c0a94a0b7107a6138509c6d0f48)

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

onyx: its last push was on November 1, 2026, and postiz-app's on October 31, 2026.

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

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

onyx: an AI signed 11.6% of its commits, with Claude Code, Devin, Cursor, CodeRabbit, GitHub Copilot, and Sweep; in postiz-app, 11.5%.

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

## Sources

- gitroomhq/postiz-app: Read on October 31, 2026, at commit be5900f (https://github.com/gitroomhq/postiz-app/tree/be5900f78a366954bccbbefa3e2244be4463a2b4)
- onyx-dot-app/onyx: Read on November 1, 2026, at commit 3eb6420 (https://github.com/onyx-dot-app/onyx/tree/3eb6420f6c7d6c0a94a0b7107a6138509c6d0f48)

## 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.