Source: https://seerepo.com/compare/block/buzz/vs/toeverything/AFFiNE
Markdown source: https://seerepo.com/compare/block/buzz/vs/toeverything/AFFiNE.md
Description: buzz and AFFiNE share 3 technologies: React, Vite, and Redis. buzz is written in Rust and AFFiNE in TypeScript.

# buzz vs AFFiNE

buzz and AFFiNE share 3 technologies: React, Vite, and Redis. buzz is written in Rust and AFFiNE in TypeScript.

- [block/buzz](https://seerepo.com/r/block/buzz): A hive mind communication platform
- [toeverything/AFFiNE](https://seerepo.com/r/toeverything/AFFiNE): There can be more than Notion and Miro. AFFiNE(pronounced [ə‘fain]) is a next-gen knowledge base that brings planning, sorting and creating all together. Privacy first, open-source, customizable and ready to use. 

## What they share and what sets them apart

- In common: React, Vite, Redis
- Only in buzz: Flutter, axum
- Only in AFFiNE: NestJS, Postgres, Sentry

## Side by side

| | buzz | AFFiNE |
|---|---|---|
| Size | 1,728,548 lines written, 3,364 code files | 1,016,829 lines written, 7,004 code files |
| Who writes it | 14.1% of its commits signed by AI. With Claude Code, Codex, Cursor, and Amp | 0.1% of its commits signed by AI. With CodeRabbit, Devin, and GitHub Copilot |
| Activity | Last push November 1, 2026, 3,136 commits, 36,649 stars | Last push November 4, 2026, 10,955 commits, 74,226 stars |
| Tests | 1,674 test files. 44.1% of its code files have a test that imports them | 781 test files. 10.4% 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, buzz or AFFiNE?

buzz, with 1,728,548 lines written; AFFiNE has 1,016,829.

The proof: [block/buzz's code at commit acf56ff](https://github.com/block/buzz/tree/acf56fff6fbfece9f143de3f096cb1d258fb9a9f)

### Which has more GitHub stars, buzz or AFFiNE?

AFFiNE, with 74,226 stars; buzz has 36,649.

The proof: [toeverything/AFFiNE on GitHub](https://github.com/toeverything/AFFiNE)

### Which has more tests, buzz or AFFiNE?

buzz, with 1,674 test files; AFFiNE has 781.

The proof: [block/buzz's code at commit acf56ff](https://github.com/block/buzz/tree/acf56fff6fbfece9f143de3f096cb1d258fb9a9f)

### Which was updated more recently, buzz or AFFiNE?

AFFiNE: its last push was on November 4, 2026, and buzz's on November 1, 2026.

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

### Which has more commits signed by AI, buzz or AFFiNE?

buzz: an AI signed 14.1% of its commits, with Claude Code, Codex, Cursor, and Amp; in AFFiNE, 0.1%.

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

## Sources

- block/buzz: Read on November 1, 2026, at commit acf56ff (https://github.com/block/buzz/tree/acf56fff6fbfece9f143de3f096cb1d258fb9a9f)
- toeverything/AFFiNE: Read on November 5, 2026, at commit 8bbbfcf (https://github.com/toeverything/AFFiNE/tree/8bbbfcf07874078bcb37cf88c40b81002382d0ba)

## 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.