Source: https://seerepo.com/compare/AppFlowy-IO/AppFlowy/vs/openai/codex
Markdown source: https://seerepo.com/compare/AppFlowy-IO/AppFlowy/vs/openai/codex.md
Description: AppFlowy and codex share 10 technologies: SQLite, Tokio, hmac, pulldown-cmark, zip, schemars, tracing, log, tracing-subscriber, and tracing-appender. AppFlowy is written in Dart and codex in Rust.

# AppFlowy vs codex

AppFlowy and codex share 10 technologies: SQLite, Tokio, hmac, pulldown-cmark, zip, schemars, tracing, log, tracing-subscriber, and tracing-appender. AppFlowy is written in Dart and codex in Rust.

- [AppFlowy-IO/AppFlowy](https://seerepo.com/r/AppFlowy-IO/AppFlowy): Bring projects, wikis, and teams together with AI. AppFlowy is the AI collaborative workspace where you achieve more without losing control of your data. The leading open source Notion alternative.
- [openai/codex](https://seerepo.com/r/openai/codex): Lightweight coding agent that runs in your terminal

## What they share and what sets them apart

- In common: SQLite, Tokio, hmac, pulldown-cmark, zip, schemars, tracing, log, tracing-subscriber, tracing-appender
- Only in AppFlowy: Flutter, rusqlite, shared_preferences, moka, plugin_platform_interface, google_fonts, desktop_drop, window_manager, animations, auto_size_text_field, console, flex_color_picker, flutter_staggered_grid_view, percent_indicator, diesel, diesel_migrations, pbkdf2, image_picker, csv, file_picker, scraper, flutter_svg, html, xml, validator, console-subscriber, tracing-core
- Only in codex: axum, lru, Sentry, tower, objc2-app-kit, objc2-foundation, Ratatui, crossterm, keyring, rmcp, png, image, Pydantic

## Side by side

| | AppFlowy | codex |
|---|---|---|
| Size | 412,249 lines written, 2,281 code files | 2,320,674 lines written, 4,216 code files |
| Who writes it | 0% of its commits signed by AI | 2.8% of its commits signed by AI. With Codex, Claude Code, and GitHub Copilot |
| Activity | Last push November 2, 2026, 6,367 commits, 78,194 stars | Last push November 4, 2026, 13,099 commits, 133,103 stars |
| Tests | 423 test files. 18% of its code files have a test that imports them | 2,448 test files. 51.6% 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, AppFlowy or codex?

codex, with 2,320,674 lines written; AppFlowy has 412,249.

The proof: [openai/codex's code at commit 021fccb](https://github.com/openai/codex/tree/021fccb046508938c4754982efccfb51d6e8356e)

### Which has more GitHub stars, AppFlowy or codex?

codex, with 133,103 stars; AppFlowy has 78,194.

The proof: [openai/codex on GitHub](https://github.com/openai/codex)

### Which has more tests, AppFlowy or codex?

codex, with 2,448 test files; AppFlowy has 423.

The proof: [openai/codex's code at commit 021fccb](https://github.com/openai/codex/tree/021fccb046508938c4754982efccfb51d6e8356e)

### Which was updated more recently, AppFlowy or codex?

codex: its last push was on November 4, 2026, and AppFlowy's on November 2, 2026.

The proof: [openai/codex's commits on GitHub](https://github.com/openai/codex/commits)

### Which has more commits signed by AI, AppFlowy or codex?

codex: an AI signed 2.8% of its commits, with Codex, Claude Code, and GitHub Copilot.

The proof: [the commits each tool signed in openai/codex](https://seerepo.com/r/openai/codex/ai)

## Sources

- AppFlowy-IO/AppFlowy: Read on November 4, 2026, at commit 8fcee27 (https://github.com/AppFlowy-IO/AppFlowy/tree/8fcee27d9bd93aad4ee0191d5d8d915d6a9a4e93)
- openai/codex: Read on November 4, 2026, at commit 021fccb (https://github.com/openai/codex/tree/021fccb046508938c4754982efccfb51d6e8356e)

## 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.