Source: https://seerepo.com/compare/alibaba/arthas/vs/Stirling-Tools/Stirling-PDF
Markdown source: https://seerepo.com/compare/alibaba/arthas/vs/Stirling-Tools/Stirling-PDF.md
Description: arthas and Stirling-PDF share 3 technologies: React, Vite, and Spring. arthas is written in Java and Stirling-PDF in TypeScript.

# arthas vs Stirling-PDF

arthas and Stirling-PDF share 3 technologies: React, Vite, and Spring. arthas is written in Java and Stirling-PDF in TypeScript.

- [alibaba/arthas](https://seerepo.com/r/alibaba/arthas): Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas
- [Stirling-Tools/Stirling-PDF](https://seerepo.com/r/Stirling-Tools/Stirling-PDF): #1 PDF Application on GitHub that lets you edit PDFs on any device anywhere

## What they share and what sets them apart

- In common: React, Vite, Spring
- Only in arthas: Vue
- Only in Stirling-PDF: FastAPI, Supabase, Postgres, Stripe, AWS S3, PostHog

## Side by side

| | arthas | Stirling-PDF |
|---|---|---|
| Size | 142,406 lines written, 1,004 code files | 1,123,883 lines written, 4,330 code files |
| Who writes it | 0.1% of its commits signed by AI. With GitHub Copilot | 2.1% of its commits signed by AI. With GitHub Copilot, Claude Code, and Codex |
| Activity | Last push October 23, 2026, 2,141 commits, 37,597 stars | Last push October 29, 2026, 5,704 commits, 95,347 stars |
| Tests | 125 test files. 18.7% of its code files have a test that imports them | 2,034 test files. 48.5% 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, arthas or Stirling-PDF?

Stirling-PDF, with 1,123,883 lines written in 4,330 code files; arthas has 142,406 in 1,004.

The proof: [Stirling-Tools/Stirling-PDF's code at commit 025f763](https://github.com/Stirling-Tools/Stirling-PDF/tree/025f763f015243327d0de9079403c0436a8504e2)

### Which has more GitHub stars, arthas or Stirling-PDF?

Stirling-PDF, with 95,347 stars; arthas has 37,597.

The proof: [Stirling-Tools/Stirling-PDF on GitHub](https://github.com/Stirling-Tools/Stirling-PDF)

### Which has more tests, arthas or Stirling-PDF?

Stirling-PDF, with 2,034 test files; arthas has 125.

The proof: [Stirling-Tools/Stirling-PDF's code at commit 025f763](https://github.com/Stirling-Tools/Stirling-PDF/tree/025f763f015243327d0de9079403c0436a8504e2)

### Which was updated more recently, arthas or Stirling-PDF?

Stirling-PDF: its last push was on October 29, 2026, and arthas's on October 23, 2026.

The proof: [Stirling-Tools/Stirling-PDF's commits on GitHub](https://github.com/Stirling-Tools/Stirling-PDF/commits)

### Which has more commits signed by AI, arthas or Stirling-PDF?

Stirling-PDF: an AI signed 2.1% of its commits, with GitHub Copilot, Claude Code, and Codex; in arthas, 0.1%.

The proof: [the commits each tool signed in Stirling-Tools/Stirling-PDF](https://seerepo.com/r/Stirling-Tools/Stirling-PDF/ai)

## Sources

- alibaba/arthas: Read on November 1, 2026, at commit 2b6d0e5 (https://github.com/alibaba/arthas/tree/2b6d0e59bd37162d1fd6abd0ad58e58c2b793b9a)
- Stirling-Tools/Stirling-PDF: Read on October 29, 2026, at commit 025f763 (https://github.com/Stirling-Tools/Stirling-PDF/tree/025f763f015243327d0de9079403c0436a8504e2)

## 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.