Source: https://seerepo.com/compare/alibaba/nacos/vs/Stirling-Tools/Stirling-PDF
Markdown source: https://seerepo.com/compare/alibaba/nacos/vs/Stirling-Tools/Stirling-PDF.md
Description: nacos and Stirling-PDF share 4 technologies: React, Vite, Spring, and Postgres. nacos is written in Java and Stirling-PDF in TypeScript.

# nacos vs Stirling-PDF

nacos and Stirling-PDF share 4 technologies: React, Vite, Spring, and Postgres. nacos is written in Java and Stirling-PDF in TypeScript.

- [alibaba/nacos](https://seerepo.com/r/alibaba/nacos): an easy-to-use dynamic service discovery, configuration and service management platform for building AI cloud native applications.
- [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, Postgres
- Only in nacos: None
- Only in Stirling-PDF: FastAPI, Supabase, Stripe, AWS S3, PostHog

## Side by side

| | nacos | Stirling-PDF |
|---|---|---|
| Size | 931,196 lines written, 3,411 code files | 1,123,883 lines written, 4,330 code files |
| Who writes it | 4.3% of its commits signed by AI. With Claude Code, Cursor, and GitHub Copilot | 2.1% of its commits signed by AI. With GitHub Copilot, Claude Code, and Codex |
| Activity | Last push October 29, 2026, 5,246 commits, 33,489 stars | Last push October 29, 2026, 5,704 commits, 95,347 stars |
| Tests | 2,387 test files. 82.4% 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, nacos or Stirling-PDF?

Stirling-PDF, with 1,123,883 lines written in 4,330 code files; nacos has 931,196 in 3,411.

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, nacos or Stirling-PDF?

Stirling-PDF, with 95,347 stars; nacos has 33,489.

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

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

nacos, with 2,387 test files; Stirling-PDF has 2,034.

The proof: [alibaba/nacos's code at commit e61ba82](https://github.com/alibaba/nacos/tree/e61ba821e025d713fc02d2020a338d4ce4251912)

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

Both got their last push on October 29, 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, nacos or Stirling-PDF?

nacos: an AI signed 4.3% of its commits, with Claude Code, Cursor, and GitHub Copilot; in Stirling-PDF, 2.1%.

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

## Sources

- alibaba/nacos: Read on November 1, 2026, at commit e61ba82 (https://github.com/alibaba/nacos/tree/e61ba821e025d713fc02d2020a338d4ce4251912)
- 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.