Source: https://seerepo.com/compare/alibaba/nacos/vs/spring-projects/spring-security
Markdown source: https://seerepo.com/compare/alibaba/nacos/vs/spring-projects/spring-security.md
Description: nacos and spring-security share 5 technologies: Spring, nimbus-jose-jwt, oauth2-oidc-sdk, log4j-over-slf4j, and micrometer-bom. Both are written in Java.

# nacos vs spring-security

nacos and spring-security share 5 technologies: Spring, nimbus-jose-jwt, oauth2-oidc-sdk, log4j-over-slf4j, and micrometer-bom. Both are written in Java.

- [alibaba/nacos](https://seerepo.com/r/alibaba/nacos): an easy-to-use dynamic service discovery, configuration and service management platform for building AI cloud native applications.
- [spring-projects/spring-security](https://seerepo.com/r/spring-projects/spring-security): Spring Security

## What they share and what sets them apart

- In common: Spring, nimbus-jose-jwt, oauth2-oidc-sdk, log4j-over-slf4j, micrometer-bom
- Only in nacos: com.mysql:mysql-connector-j, nacos-client, nacos-datasource-plugin, nacos-datasource-plugin-base, nacos-datasource-plugin-derby, nacos-datasource-plugin-mysql, nacos-datasource-plugin-oracle, nacos-datasource-plugin-postgresql, nacos-persistence, ojdbc8, org.springframework.boot:spring-boot-starter-jdbc, PostgreSQL, com.zaxxer:HikariCP, MySQL, Postgres, RocksDB, com.github.ben-manes.caffeine:caffeine, org.apache.derby:derby, nacos-bootstrap, nacos-core, nacos-server, Spring Boot, org.apache.tomcat.embed:tomcat-embed-core, Vite, React, react-router-dom, React Router, react-router-redux, default-auth-plugin, jjwt-api, jjwt-impl, jjwt-jackson, nacos-auth, nacos-auth-plugin, nacos-ldap-auth-plugin, nacos-oidc-auth-plugin, org.springframework.boot:spring-boot-starter-security, spring-boot-starter-ldap, agentscope-extensions-model-dashscope, agentscope-extensions-studio, Model Context Protocol, nacos-ai, nacos-ai-plugin, nacos-ai-registry-adaptor, nacos-copilot, nacos-default-ai-importer-plugin, nacos-default-ai-pipeline-plugin, nacos-default-ai-trace-plugin, nacos-default-ai-vector-plugin, io.agentscope:agentscope-core, client-java, jcl-over-slf4j, jul-to-slf4j, log4j-slf4j-impl, logback-adapter, micrometer-registry-elastic, micrometer-registry-influx, micrometer-registry-prometheus, nacos-distribution, nacos-istio, nacos-k8s-sync, nacos-log4j2-adapter, nacos-logback-adapter-12, nacos-prometheus, org.springframework.boot:spring-boot-starter-actuator, org.slf4j:slf4j-api, io.micrometer:micrometer-core, ch.qos.logback:logback-classic, org.apache.logging.log4j:log4j-core, ch.qos.logback:logback-core, Apache, io.kubernetes:client-java-api, Tailwind CSS, class-variance-authority, tailwind-merge, sonner, Radix UI, monaco-editor, @uiw/react-md-editor, Lucide, react-markdown, remark-gfm, remark-frontmatter, js-yaml, @alifd/next, react-icons, prop-types
- Only in spring-security: hsqldb, org.springframework.ldap:spring-ldap-core, guice, jakarta.inject-api, reactor-bom, jakarta.servlet:jakarta.servlet-api, jakarta.servlet.jsp:jakarta.servlet.jsp-api, org.eclipse.jetty:jetty-server, org.eclipse.jetty:jetty-servlet, Hibernate, opensaml-saml-impl, org.opensaml:opensaml-saml-api, org.apereo.cas.client:cas-client-core, com.unboundid:unboundid-ldapsdk, compiler

## Side by side

| | nacos | spring-security |
|---|---|---|
| Size | 944,549 lines written, 3,434 code files | 668,371 lines written, 2,615 code files |
| Who writes it | 4.3% of its commits signed by AI. With Claude Code, Cursor, and GitHub Copilot | 0% of its commits signed by AI. With Claude Code |
| Activity | Last push November 13, 2026, 5,271 commits, 33,523 stars | Last push November 13, 2026, 18,313 commits, 9,671 stars |
| Tests | 2,408 test files. 83% of its code files have a test that imports them | 2,152 test files. 62.7% 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, nacos or spring-security?

nacos, with 944,549 lines written; spring-security has 668,371.

The proof: [alibaba/nacos's code at commit f56069e](https://github.com/alibaba/nacos/tree/f56069e9cef63909f9e8f8c9d3bb93e2f34cd788)

### Which has more GitHub stars, nacos or spring-security?

nacos, with 33,523 stars; spring-security has 9,671.

The proof: [alibaba/nacos on GitHub](https://github.com/alibaba/nacos)

### Which has more tests, nacos or spring-security?

nacos, with 2,408 test files; spring-security has 2,152.

The proof: [alibaba/nacos's code at commit f56069e](https://github.com/alibaba/nacos/tree/f56069e9cef63909f9e8f8c9d3bb93e2f34cd788)

### Which was updated more recently, nacos or spring-security?

Both got their last push on November 13, 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, nacos or spring-security?

nacos: an AI signed 4.3% of its commits, with Claude Code, Cursor, and GitHub Copilot.

The proof: [the commits each tool signed in alibaba/nacos](https://seerepo.com/r/alibaba/nacos/ai)

## Sources

- alibaba/nacos: Read on November 14, 2026, at commit f56069e (https://github.com/alibaba/nacos/tree/f56069e9cef63909f9e8f8c9d3bb93e2f34cd788)
- spring-projects/spring-security: Read on November 14, 2026, at commit c12aef9 (https://github.com/spring-projects/spring-security/tree/c12aef9c6c427ee55e95021705678e777bfa11d5)

## 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.