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OpenSearch vs spring-boot

OpenSearch and spring-boot share 8 technologies: JAX-RS, grpc-services, servlet-api, org.apache.logging.log4j:log4j-api, OpenTelemetry, org.apache.logging.log4j:log4j-core, io.opentelemetry:opentelemetry-sdk, and io.opentelemetry:opentelemetry-exporter-otlp. Both are written in Java.

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What they share and what sets them apart

opensearch-project

OpenSearch

🔎 Open source distributed and RESTful search engine.

Java14kRead on November 9, 2026, at commit 2923a00What is OpenSearch built with?

Only in OpenSearch

  • apache-client
  • arrow-c-data
  • arrow-memory-netty-buffer-patch
  • avro
  • aws-crt-client
  • aws-json-protocol
  • kafka-clients
  • lucene-memory
  • org.apache.arrow:flight-core
  • s3
  • datafusion
  • Apache
  • object_store
  • arrow
  • software.amazon.awssdk:sdk-core
  • org.apache.hadoop:hadoop-client-api
  • org.apache.calcite.avatica:avatica-core
  • datafusion-datasource
  • com.azure:azure-storage-blob
  • software.amazon.awssdk:kms
  • org.apache.hadoop:hadoop-hdfs
  • org.ehcache:ehcache
  • foyer
  • JetBrains
  • Tokio
  • joou-java-6
  • com.google.auth:google-auth-library-oauth2-http
  • google-oauth-client
  • msal4j
  • nimbus-jose-jwt
  • oauth2-oidc-sdk
  • software.amazon.awssdk:auth
  • software.amazon.awssdk:sts
  • com.azure:azure-identity
  • compiler
  • jdom2
  • jsoup
  • mail
  • org.apache.james:apache-mime4j-dom
  • pdfbox-io
  • poi
  • poi-ooxml
  • poi-ooxml-lite
  • poi-scratchpad
  • tika-parsers
  • parquet
  • org.apache.tika:tika-core
  • org.apache.pdfbox:pdfbox
  • json-schema-validator
  • commons-logging
  • io.opentelemetry:opentelemetry-sdk-common
  • log4j-1.2-api
  • log4j-slf4j-impl
  • slf4j-api
  • log
  • software.amazon.awssdk:regions
  • software.amazon.awssdk:ec2
  • io.opentelemetry:opentelemetry-exporter-logging
  • io.opentelemetry.semconv:opentelemetry-semconv

In common

spring-projects

spring-boot

Spring Boot helps you to create Spring-powered, production-grade applications and services with absolute minimum fuss.

Java81.8kRead on November 9, 2026, at commit bafb112What is spring-boot built with?

Only in spring-boot

  • org.springframework.boot:spring-boot-starter-web
  • H2 Database
  • lettuce-core
  • Liquibase
  • MongoDB
  • org.apache.artemis:artemis-jakarta-client
  • org.springframework:spring-messaging
  • r2dbc-postgresql
  • spring-amqp-client
  • spring-data-ldap
  • spring-jms
  • spring-kafka
  • spring-r2dbc
  • spring-rabbit
  • spring-rabbitmq-client
  • io.r2dbc:r2dbc-spi
  • jakarta.jms:jakarta.jms-api
  • Neo4j
  • com.zaxxer:HikariCP
  • com.hazelcast:hazelcast
  • org.apache.activemq:activemq-client
  • Couchbase
  • Flyway
  • org.springframework.pulsar:spring-pulsar
  • org.springframework.ldap:spring-ldap-core
  • io.r2dbc:r2dbc-pool
  • org.apache.qpid:protonj2-client
  • jersey-container-servlet
  • jersey-media-json-jackson
  • jersey-spring6
  • jetty-ee11-websocket-jetty-server
  • org.apache.tomcat.embed:tomcat-embed-websocket
  • org.jetbrains.kotlin:kotlin-stdlib-jdk8
  • Spring Boot
  • spring-data-rest-webmvc
  • spring-graphql
  • tomcat-embed-core
  • tomcat-embed-el
  • Spring
  • jakarta.servlet:jakarta.servlet-api
  • org.springframework.grpc:spring-grpc-core
  • org.glassfish.jersey.core:jersey-server
  • org.eclipse.jetty.ee11:jetty-ee11-webapp
  • org.springframework.ws:spring-ws-core
  • org.springframework.integration:spring-integration-core
  • org.eclipse.jetty.ee11.websocket:jetty-ee11-websocket-jakarta-server
  • Thymeleaf
  • org.eclipse.jetty.compression:jetty-compression-gzip
  • org.eclipse.jetty.compression:jetty-compression-server
  • org.springframework.hateoas:spring-hateoas
  • org.springframework.data:spring-data-commons
  • spring-data-cassandra
  • spring-data-couchbase
  • spring-data-elasticsearch
  • spring-data-jpa
  • spring-data-mongodb
  • spring-data-neo4j
  • spring-data-r2dbc
  • org.jooq:jooq
  • jakarta.persistence:jakarta.persistence-api
  • org.hibernate.orm:hibernate-core
  • org.springframework.security:spring-security-crypto
  • spring-security-oauth2-authorization-server
  • spring-security-oauth2-client
  • spring-security-saml2-service-provider
  • spring-session-data-redis
  • spring-session-jdbc
  • org.springframework.session:spring-session-core
  • angus-mail
  • groovy-templates
  • com.samskivert:jmustache
  • jakarta.mail:jakarta.mail-api
  • com.sendgrid:sendgrid-java
  • org.freemarker:freemarker
  • org.glassfish.jersey.ext:jersey-bean-validation
  • Hibernate
  • jul-to-slf4j
  • micrometer-jakarta9
  • micrometer-tracing-bridge-brave
  • micrometer-tracing-bridge-otel
  • org.apache.logging.log4j:log4j-slf4j2-impl
  • slf4j-simple
  • zipkin-reporter-brave
  • io.micrometer:micrometer-core
  • io.micrometer:micrometer-observation
  • ch.qos.logback:logback-classic
  • io.micrometer:micrometer-tracing
  • org.slf4j:slf4j-api
  • io.micrometer:micrometer-registry-otlp
  • io.opentelemetry.instrumentation:opentelemetry-logback-appender-1.0
  • org.apache.logging.log4j:log4j-jul

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
OpenSearch3,021,895 lines written8,159 code files
spring-boot759,628 lines written4,267 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.
OpenSearch0% of its commits signed by AIWith Claude Code, Cursor, GitHub Copilot, and CodeRabbit
spring-boot0% of its commits signed by AIWith Claude Code
ActivityFrom GitHub and its history, on the day SeeRepo read it.
OpenSearchLast push November 9, 202657,216 commits13,983 stars
spring-bootLast push November 9, 202642,460 commits81,789 stars
TestsThe files that test the code, and the share of code files a test imports.
OpenSearch5,508 test files65.6% of its code files have a test that imports them
spring-boot4,558 test files55.8% of its code files have a test that imports them

Frequently asked questions

Which is bigger, OpenSearch or spring-boot?
OpenSearch, with 3,021,895 lines written; spring-boot has 759,628.

The proof: opensearch-project/OpenSearch's code at commit 2923a00

Which has more GitHub stars, OpenSearch or spring-boot?
spring-boot, with 81,789 stars; OpenSearch has 13,983.

The proof: spring-projects/spring-boot on GitHub

Which has more tests, OpenSearch or spring-boot?
OpenSearch, with 5,508 test files; spring-boot has 4,558.

The proof: opensearch-project/OpenSearch's code at commit 2923a00

Which was updated more recently, OpenSearch or spring-boot?
Both got their last push on November 9, 2026.

The proof: spring-projects/spring-boot's commits on GitHub

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