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signoz vs AFFiNE

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

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What they share and what sets them apart

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.

Go32.5kRead on November 1, 2026, at commit a621fb2What is signoz built with?
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.

TypeScript74kRead on October 29, 2026, at commit 8cef09eWhat is AFFiNE built with?

In common

Only in signoz

Only in AFFiNE

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
signoz1,090,543 lines written4,718 code files
AFFiNE1,016,369 lines written7,003 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
signoz1.2% of its commits signed by AIWith Claude Code, GitHub Copilot, and Cursor
AFFiNE0.1% of its commits signed by AIWith CodeRabbit, Devin, and GitHub Copilot
ActivityFrom GitHub and its history, on the day SeeRepo read it.
signozLast push November 1, 20266,568 commits32,495 stars
AFFiNELast push October 27, 202610,950 commits73,967 stars
TestsThe files that test the code, and the share of code files a test imports.
signoz1,865 test files36.4% of its code files have a test that imports them
AFFiNE781 test files10.4% of its code files have a test that imports them

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

Which has more GitHub stars, signoz or AFFiNE?
AFFiNE, with 73,967 stars; signoz has 32,495.

The proof: toeverything/AFFiNE on GitHub

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

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

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

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