Compare
onlook vs Stirling-PDF
onlook and Stirling-PDF share 5 technologies: React, Supabase, Postgres, PostHog, and Stripe. Both are written in TypeScript.
What they share and what sets them apart
onlook-dev
onlook
The Developer Tool for Visual Engineers • An Open-Source AI-First Design tool • Visually build, style, and edit your code with AI • World's best, top-most agent recommended #1 Developer tool for Designers and Visual Engineers to design with Real Code.
TypeScript27.1kRead on November 2, 2026, at commit 423e2e9What is onlook built with?Stirling-Tools
Stirling-PDF
#1 PDF Application on GitHub that lets you edit PDFs on any device anywhere
TypeScript95.3kRead on October 29, 2026, at commit 025f763What is Stirling-PDF built with?In common
Only in onlook
Only in Stirling-PDF
Side by side
onlookStirling-PDF
SizeLines written by people and agents, without generated ones; code files, without tests.
onlook151,760 lines written1,047 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.
onlook5% of its commits signed by AIWith Devin, Claude Code, 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.
onlookLast push October 21, 20261,620 commits27,084 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.
onlook234 test files5.4% 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
Frequently asked questions
Which is bigger, onlook or Stirling-PDF?
Stirling-PDF, with 1,123,883 lines written in 4,330 code files; onlook has 151,760 in 1,047.
The proof: Stirling-Tools/Stirling-PDF's code at commit 025f763
Which has more GitHub stars, onlook or Stirling-PDF?
Stirling-PDF, with 95,347 stars; onlook has 27,084.
The proof: Stirling-Tools/Stirling-PDF on GitHub
Which has more tests, onlook or Stirling-PDF?
Stirling-PDF, with 2,034 test files; onlook has 234.
The proof: Stirling-Tools/Stirling-PDF's code at commit 025f763
Which was updated more recently, onlook or Stirling-PDF?
Stirling-PDF: its last push was on October 29, 2026, and onlook's on October 21, 2026.
Which has more commits signed by AI, onlook or Stirling-PDF?
onlook: an AI signed 5% of its commits, with Devin, Claude Code, and GitHub Copilot; in Stirling-PDF, 2.1%.
The proof: the commits each tool signed in onlook-dev/onlook
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