Which is bigger, airflow or Stirling-PDF?

airflow, with 2,170,290 lines written in 4,573 code files; Stirling-PDF has 1,123,883 in 4,330.

Which has more GitHub stars, airflow or Stirling-PDF?

Stirling-PDF, with 95,347 stars; airflow has 47,329.

airflow, with 4,898 test files; Stirling-PDF has 2,034.

airflow: its last push was on October 30, 2026, and Stirling-PDF's on October 29, 2026.

Stirling-PDF: an AI signed 2.1% of its commits, with GitHub Copilot, Claude Code, and Codex; in airflow, 0.7%.

Compare

airflow and Stirling-PDF share 3 technologies: React, Vite, and FastAPI. airflow is written in Python and Stirling-PDF in TypeScript.

apache

Apache Airflow - A platform to programmatically author, schedule, and monitor workflows

Stirling-Tools

#1 PDF Application on GitHub that lets you edit PDFs on any device anywhere

airflowStirling-PDF

SizeLines written by people and agents, without generated ones; code files, without tests.

airflow2,170,290 lines written4,573 code files

Stirling-PDF1,123,883 lines written4,330 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.

airflow0.7% of its commits signed by AIWith Claude Code, GitHub Copilot, Cursor, and Devin

Stirling-PDF2.1% of its commits signed by AIWith GitHub Copilot, Claude Code, and Codex

ActivityFrom GitHub and its history, on the day SeeRepo read it.

airflowLast push October 30, 202641,577 commits47,329 stars

Stirling-PDFLast push October 29, 20265,704 commits95,347 stars

TestsThe files that test the code, and the share of code files a test imports.

airflow4,898 test files52.9% of its code files have a test that imports them

Stirling-PDF2,034 test files48.5% of its code files have a test that imports them

Which is bigger, airflow or Stirling-PDF?: airflow, with 2,170,290 lines written in 4,573 code files; Stirling-PDF has 1,123,883 in 4,330.; The proof: apache/airflow's code at commit 740d8bd
Which has more GitHub stars, airflow or Stirling-PDF?: Stirling-PDF, with 95,347 stars; airflow has 47,329.; The proof: Stirling-Tools/Stirling-PDF on GitHub
Which has more tests, airflow or Stirling-PDF?: airflow, with 4,898 test files; Stirling-PDF has 2,034.; The proof: apache/airflow's code at commit 740d8bd
Which was updated more recently, airflow or Stirling-PDF?: airflow: its last push was on October 30, 2026, and Stirling-PDF's on October 29, 2026.; The proof: apache/airflow's commits on GitHub
Which has more commits signed by AI, airflow or Stirling-PDF?: Stirling-PDF: an AI signed 2.1% of its commits, with GitHub Copilot, Claude Code, and Codex; in airflow, 0.7%.; The proof: the commits each tool signed in Stirling-Tools/Stirling-PDF

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