ktor vs Stirling-PDF

ktor and Stirling-PDF share 5 technologies: jetty-http2-server, jakarta.servlet:jakarta.servlet-api, Tokio, ch.qos.logback:logback-classic, and io.micrometer:micrometer-core. ktor is written in Kotlin and Stirling-PDF in TypeScript.

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What they share and what sets them apart

ktorio

ktor

Framework for quickly creating connected applications in Kotlin with minimal effort

Kotlin14.6kRead on November 9, 2026, at commit f5d66c2What is ktor built with?

Only in ktor

In common

Stirling-Tools

Stirling-PDF

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

TypeScript96.1kRead on November 9, 2026, at commit d745437What is Stirling-PDF built with?

Only in Stirling-PDF

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
ktor301,366 lines written1,642 code files
Stirling-PDF1,146,342 lines written4,358 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.
ktor0.7% of its commits signed by AIWith Claude Code, CodeRabbit, Cursor, Codex, and GitHub Copilot
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.
ktorLast push November 7, 20266,943 commits14,562 stars
Stirling-PDFLast push November 9, 20265,762 commits96,085 stars
TestsThe files that test the code, and the share of code files a test imports.
ktor780 test files53.5% of its code files have a test that imports them
Stirling-PDF2,121 test files49.4% of its code files have a test that imports them

Frequently asked questions

Which is bigger, ktor or Stirling-PDF?
Stirling-PDF, with 1,146,342 lines written; ktor has 301,366.

The proof: Stirling-Tools/Stirling-PDF's code at commit d745437

Which has more GitHub stars, ktor or Stirling-PDF?
Stirling-PDF, with 96,085 stars; ktor has 14,562.

The proof: Stirling-Tools/Stirling-PDF on GitHub

Which has more tests, ktor or Stirling-PDF?
Stirling-PDF, with 2,121 test files; ktor has 780.

The proof: Stirling-Tools/Stirling-PDF's code at commit d745437

Which was updated more recently, ktor or Stirling-PDF?
Stirling-PDF: its last push was on November 9, 2026, and ktor's on November 7, 2026.

The proof: Stirling-Tools/Stirling-PDF's commits on GitHub

Which has more commits signed by AI, ktor or Stirling-PDF?
Stirling-PDF: an AI signed 2.1% of its commits, with GitHub Copilot, Claude Code, and Codex; in ktor, 0.7%.

The proof: the commits each tool signed in Stirling-Tools/Stirling-PDF

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