Source: https://seerepo.com/compare/spring-projects/spring-security/vs/Stirling-Tools/Stirling-PDF Markdown source: https://seerepo.com/compare/spring-projects/spring-security/vs/Stirling-Tools/Stirling-PDF.md Description: spring-security and Stirling-PDF share 3 technologies: Spring, jakarta.servlet:jakarta.servlet-api, and Hibernate. spring-security is written in Java and Stirling-PDF in TypeScript. # spring-security vs Stirling-PDF spring-security and Stirling-PDF share 3 technologies: Spring, jakarta.servlet:jakarta.servlet-api, and Hibernate. spring-security is written in Java and Stirling-PDF in TypeScript. - [spring-projects/spring-security](https://seerepo.com/r/spring-projects/spring-security): Spring Security - [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, jakarta.servlet:jakarta.servlet-api, Hibernate - Only in spring-security: hsqldb, org.springframework.ldap:spring-ldap-core, guice, jakarta.inject-api, reactor-bom, jakarta.servlet.jsp:jakarta.servlet.jsp-api, org.eclipse.jetty:jetty-server, org.eclipse.jetty:jetty-servlet, nimbus-jose-jwt, oauth2-oidc-sdk, opensaml-saml-impl, org.opensaml:opensaml-saml-api, org.apereo.cas.client:cas-client-core, com.unboundid:unboundid-ldapsdk, compiler, log4j-over-slf4j, micrometer-bom - Only in Stirling-PDF: org.springframework.boot:spring-boot-starter-web, H2 Database, jcache, org.springframework:spring-jdbc, PostgreSQL, s3, spring-boot-starter-cache, spring-boot-starter-data-redis, url-connection-client, com.github.ben-manes.caffeine:caffeine, Apache, Postgres, AWS S3, PostHog, Telegram, jetty-http2-server, org.eclipse.jetty:jetty-alpn-java-server, org.eclipse.jetty.compression:jetty-compression-server, Vite, React, react-router-dom, Tauri, objc2-app-kit, objc2-foundation, Tokio, tiny_http, Supabase, tauri-plugin-store, Stripe, core-services, @tauri-apps/api, org.springframework.boot:spring-boot-starter-data-jpa, jjwt-impl, jjwt-jackson, spring-boot-starter-oauth2-resource-server, spring-boot-starter-security-oauth2-client, spring-security-saml2-service-provider, com.coveo:saml-client, io.jsonwebtoken:jjwt-api, onnxruntime, angus-mail, batik-transcoder, commonmark-ext-gfm-tables, imageio-batik, imageio-bmp, imageio-hdr, imageio-icns, imageio-iff, imageio-jpeg, imageio-pcx, imageio-pnm, imageio-psd, imageio-sgi, imageio-tga, imageio-thumbsdb, imageio-tiff, imageio-webp, imageio-xwd, jbig2-imageio, jpdfium, metadata-extractor, org.springframework.boot:spring-boot-starter-mail, outlook-module, owasp-java-html-sanitizer, pdfbox-io, preflight, stirling-office-convert, stirling-office-convert-legacy, stirling-office-convert-pdfa, stirling-office-convert-topdf, org.apache.pdfbox:pdfbox, org.verapdf:validation-model, jakarta.mail:jakarta.mail-api, org.apache.pdfbox:xmpbox, org.apache.poi:poi-ooxml, com.google.zxing:core, de.rototor.pdfbox:graphics2d, org.apache.xmlgraphics:batik-bridge, org.commonmark:commonmark, technology.tabula:tabula, com.github.junrar:junrar, com.hubspot.jinjava:jinjava, com.opencsv:opencsv, com.vladsch.flexmark:flexmark-html2md-converter, org.simplejavamail:simple-java-mail, micrometer-registry-prometheus, org.springframework.boot:spring-boot-starter-actuator, spring-boot-starter-jetty, io.micrometer:micrometer-core, ch.qos.logback:logback-core, Tailwind CSS, fontsource, Mantine, @reactour/tour, @dnd-kit/core, tanstack, @atlaskit/pragmatic-drag-and-drop, D3, signature_pad, tauri-plugin-dialog, @tauri-apps/plugin-notification, react-easy-crop, react-rnd, recharts, tauri-plugin-notification, tauri-plugin-window-state, webview2-com, Lucide, keyring, embedpdf, pdfjs-dist, react-markdown, remark-gfm, @cantoo/pdf-lib, qrcode.react, objc2-pdf-kit, pixelmatch, log, tauri-plugin-log ## Side by side | | spring-security | Stirling-PDF | |---|---|---| | Size | 668,371 lines written, 2,615 code files | 1,168,066 lines written, 4,452 code files | | Who writes it | 0% of its commits signed by AI. With Claude Code | 2.1% of its commits signed by AI. With GitHub Copilot, Claude Code, and Codex | | Activity | Last push November 13, 2026, 18,313 commits, 9,671 stars | Last push November 12, 2026, 5,787 commits, 96,362 stars | | Tests | 2,152 test files. 62.7% of its code files have a test that imports them | 2,168 test files. 49.7% 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, spring-security or Stirling-PDF? Stirling-PDF, with 1,168,066 lines written; spring-security has 668,371. The proof: [Stirling-Tools/Stirling-PDF's code at commit ee8c2b3](https://github.com/Stirling-Tools/Stirling-PDF/tree/ee8c2b3a9fc5842f787373c2aeff1431f5ff9d85) ### Which has more GitHub stars, spring-security or Stirling-PDF? Stirling-PDF, with 96,362 stars; spring-security has 9,671. The proof: [Stirling-Tools/Stirling-PDF on GitHub](https://github.com/Stirling-Tools/Stirling-PDF) ### Which has more tests, spring-security or Stirling-PDF? Stirling-PDF, with 2,168 test files; spring-security has 2,152. The proof: [Stirling-Tools/Stirling-PDF's code at commit ee8c2b3](https://github.com/Stirling-Tools/Stirling-PDF/tree/ee8c2b3a9fc5842f787373c2aeff1431f5ff9d85) ### Which was updated more recently, spring-security or Stirling-PDF? spring-security: its last push was on November 13, 2026, and Stirling-PDF's on November 12, 2026. The proof: [spring-projects/spring-security's commits on GitHub](https://github.com/spring-projects/spring-security/commits) ### Which has more commits signed by AI, spring-security 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 - spring-projects/spring-security: Read on November 14, 2026, at commit c12aef9 (https://github.com/spring-projects/spring-security/tree/c12aef9c6c427ee55e95021705678e777bfa11d5) - Stirling-Tools/Stirling-PDF: Read on November 12, 2026, at commit ee8c2b3 (https://github.com/Stirling-Tools/Stirling-PDF/tree/ee8c2b3a9fc5842f787373c2aeff1431f5ff9d85) ## 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.