Source: https://seerepo.com/compare/SigNoz/signoz/vs/toeverything/AFFiNE
Markdown source: https://seerepo.com/compare/SigNoz/signoz/vs/toeverything/AFFiNE.md
Description: signoz and AFFiNE share 5 technologies: React, Vite, Postgres, Redis, and Sentry. signoz is written in Go and AFFiNE in TypeScript.

# signoz vs AFFiNE

signoz and AFFiNE share 5 technologies: React, Vite, Postgres, Redis, and Sentry. signoz is written in Go and AFFiNE in TypeScript.

- [SigNoz/signoz](https://seerepo.com/r/SigNoz/signoz): SigNoz is an open-source, OpenTelemetry-native observability platform for your team and their AI agents. Get logs, metrics, and traces in one tool with features like APM, distributed tracing, log management, infra monitoring, etc. Combined with SigNoz MCP and a native AI teammate (in SigNoz Cloud) it helps you build more resilient apps.
- [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, Postgres, Redis, Sentry
- Only in signoz: Gorilla, PostHog, Google
- Only in AFFiNE: Express

## Side by side

| | signoz | AFFiNE |
|---|---|---|
| Size | 1,090,543 lines written, 4,718 code files | 1,016,369 lines written, 7,003 code files |
| Who writes it | 1.2% of its commits signed by AI. With Claude Code, GitHub Copilot, and Cursor | 0.1% of its commits signed by AI. With CodeRabbit, Devin, and GitHub Copilot |
| Activity | Last push November 1, 2026, 6,568 commits, 32,495 stars | Last push October 27, 2026, 10,950 commits, 73,967 stars |
| Tests | 1,865 test files. 36.4% 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, signoz or AFFiNE?

signoz, with 1,090,543 lines written in 4,718 code files; AFFiNE has 1,016,369 in 7,003.

The proof: [SigNoz/signoz's code at commit a621fb2](https://github.com/SigNoz/signoz/tree/a621fb2b49acd8ee352eb61ba2976bd34afdf402)

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

AFFiNE, with 73,967 stars; signoz has 32,495.

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

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

signoz, with 1,865 test files; AFFiNE has 781.

The proof: [SigNoz/signoz's code at commit a621fb2](https://github.com/SigNoz/signoz/tree/a621fb2b49acd8ee352eb61ba2976bd34afdf402)

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

signoz: its last push was on November 1, 2026, and AFFiNE's on October 27, 2026.

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

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

signoz: an AI signed 1.2% of its commits, with Claude Code, GitHub Copilot, and Cursor; in AFFiNE, 0.1%.

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

## Sources

- SigNoz/signoz: Read on November 1, 2026, at commit a621fb2 (https://github.com/SigNoz/signoz/tree/a621fb2b49acd8ee352eb61ba2976bd34afdf402)
- toeverything/AFFiNE: Read on October 29, 2026, at commit 8cef09e (https://github.com/toeverything/AFFiNE/tree/8cef09e1dd62b47a3cbc9f352aa10b3a90c75d34)

## 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.