Source: https://seerepo.com/compare/openzipkin/zipkin/vs/Stirling-Tools/Stirling-PDF Markdown source: https://seerepo.com/compare/openzipkin/zipkin/vs/Stirling-Tools/Stirling-PDF.md Description: zipkin and Stirling-PDF share 8 technologies: spring-boot-starter-cache, Apache, Spring, Vite, React, react-router-dom, io.micrometer:micrometer-core, and recharts. zipkin is written in Java and Stirling-PDF in TypeScript. # zipkin vs Stirling-PDF zipkin and Stirling-PDF share 8 technologies: spring-boot-starter-cache, Apache, Spring, Vite, React, react-router-dom, io.micrometer:micrometer-core, and recharts. zipkin is written in Java and Stirling-PDF in TypeScript. - [openzipkin/zipkin](https://seerepo.com/r/openzipkin/zipkin): Zipkin is a distributed tracing system - [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: spring-boot-starter-cache, Apache, Spring, Vite, React, react-router-dom, io.micrometer:micrometer-core, recharts - Only in zipkin: caffeine, kafka-clients, MariaDB, org.apache.cassandra:java-driver-core, MySQL, org.apache.pulsar:pulsar-client, RabbitMQ, com.zaxxer:HikariCP, org.springframework.cloud:spring-cloud-starter-netflix-eureka-server, history, org.jooq:jooq, jcl-over-slf4j, jul-to-slf4j, log4j-1.2-api, log4j-core, micrometer-bom, micrometer-registry-prometheus, micrometer-registry-prometheus-simpleclient, org.apache.logging.log4j:log4j-jul, org.springframework.boot:spring-boot-starter-actuator, slf4j-simple, spring-boot-starter-log4j2, zipkin-reporter-brave, org.slf4j:slf4j-api, styled-components, classnames, @material-ui/styles, material-ui, react-virtualized-auto-sizer, react-window, @material-ui/icons, Font Awesome, prop-types - Only in Stirling-PDF: org.springframework.boot:spring-boot-starter-web, H2 Database, PostgreSQL, spring-boot-starter-data-redis, com.github.ben-manes.caffeine:caffeine, Postgres, AWS S3, Tauri, objc2-app-kit, objc2-foundation, Tokio, Supabase, tauri-plugin-store, Stripe, PostHog, @tauri-apps/api, org.springframework.session:spring-session-core, angus-mail, commonmark-ext-gfm-tables, org.apache.pdfbox:pdfbox, org.apache.poi:poi-ooxml, com.google.zxing:core, org.commonmark:commonmark, ch.qos.logback:logback-classic, Tailwind CSS, Mantine, @dnd-kit/core, tanstack, @atlaskit/pragmatic-drag-and-drop, D3, tauri-plugin-dialog, react-easy-crop, react-rnd, tauri-plugin-notification, tauri-plugin-window-state, webview2-com, keyring, pdfjs-dist, react-markdown, remark-gfm, qrcode.react, pixelmatch, log, tauri-plugin-log ## Side by side | | zipkin | Stirling-PDF | |---|---|---| | Size | 73,675 lines written, 326 code files | 1,135,977 lines written, 4,350 code files | | Who writes it | 0% of its commits signed by AI | 2.1% of its commits signed by AI. With GitHub Copilot, Claude Code, and Codex | | Activity | Last push August 6, 2026, 2,780 commits, 17,473 stars | Last push November 4, 2026, 5,739 commits, 95,737 stars | | Tests | 231 test files. 54.9% of its code files have a test that imports them | 2,073 test files. 48.8% 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, zipkin or Stirling-PDF? Stirling-PDF, with 1,135,977 lines written; zipkin has 73,675. The proof: [Stirling-Tools/Stirling-PDF's code at commit 3b4c202](https://github.com/Stirling-Tools/Stirling-PDF/tree/3b4c202890f7c21726424deded3f5aaee5090846) ### Which has more GitHub stars, zipkin or Stirling-PDF? Stirling-PDF, with 95,737 stars; zipkin has 17,473. The proof: [Stirling-Tools/Stirling-PDF on GitHub](https://github.com/Stirling-Tools/Stirling-PDF) ### Which has more tests, zipkin or Stirling-PDF? Stirling-PDF, with 2,073 test files; zipkin has 231. The proof: [Stirling-Tools/Stirling-PDF's code at commit 3b4c202](https://github.com/Stirling-Tools/Stirling-PDF/tree/3b4c202890f7c21726424deded3f5aaee5090846) ### Which was updated more recently, zipkin or Stirling-PDF? Stirling-PDF: its last push was on November 4, 2026, and zipkin's on August 6, 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, zipkin or Stirling-PDF? Stirling-PDF: an AI signed 2.1% of its commits, with GitHub Copilot, Claude Code, and Codex. The proof: [the commits each tool signed in Stirling-Tools/Stirling-PDF](https://seerepo.com/r/Stirling-Tools/Stirling-PDF/ai) ## Sources - openzipkin/zipkin: Read on November 6, 2026, at commit 878ce2a (https://github.com/openzipkin/zipkin/tree/878ce2a1fad54ca941d17fdcf2e1d924b148eb1f) - Stirling-Tools/Stirling-PDF: Read on November 4, 2026, at commit 3b4c202 (https://github.com/Stirling-Tools/Stirling-PDF/tree/3b4c202890f7c21726424deded3f5aaee5090846) ## 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.