Trending repositories

1.floci-io / floci

Light, fluffy, and always free - The AWS Local Emulator alternative

• aws
• aws-emulation
• localstack
• devops
• docker
• ec2
• +4 more

2.ashishps1 / awesome-system-design-resources

Learn System Design concepts and prepare for interviews using free resources.

• awesome
• backend
• computer-science
• distributed-systems
• high-level-design
• interview
• +4 more

3.kestra-io / kestra

Orchestrate everything, everywhere. The open-source control plane for workflows across data, infrastructure, business processes and AI agents. Declarative YAML, event-driven, any language, Git-versioned, scalable to millions of executions.

• orchestration
• data-orchestration
• high-availability
• infrastructure-as-code
• automation
• devops
• +14 more

4.OtterMind / Chat2DB

Chat2DB is a free, cross-platform, local-first database client and SQL workspace for developers, DBAs, analysts, and data teams. Connect to 40+ databases, manage data, edit and run SQL, and use your own AI model to generate, explain, and optimize queries. Available on desktop, web, Docker, and CLI, with MCP support.

• ai
• mysql
• oracle
• postgresql
• redis
• database
• +14 more

5.macrozheng / mall

mall项目是一套电商系统，包括前台商城系统及后台管理系统，基于Spring Boot+MyBatis实现，采用Docker容器化部署。 前台商城系统包含首页门户、商品推荐、商品搜索、商品展示、购物车、订单流程、会员中心、客户服务、帮助中心等模块。 后台管理系统包含商品管理、订单管理、会员管理、促销管理、运营管理、内容管理、统计报表、财务管理、权限管理、设置等模块。

• spring-boot
• spring-security
• mybatis
• docker
• swagger-ui
• mysql
• +10 more

6.conductor-oss / conductor

Conductor is an event driven agentic workflow engine providing durable and highly resilient execution engine for applications and AI Agents

• distributed-systems
• grpc
• java
• javascript
• microservice-orchestration
• orchestration-engine
• +8 more

7.AutoMQ / automq

Diskless Kafka® on S3. 10x Cost-Effective. No Cross-AZ Traffic Cost. Autoscale in seconds. Single-digit ms latency. Multi-AZ Availability.

• kafka
• diskless
• automq
• serverless

8.thingsboard / thingsboard

All-in-one IoT Platform - Device management, data collection, processing and visualization.

• visualization
• iot
• iot-platform
• mqtt
• middleware
• thingsboard
• +12 more

9.jenkinsci / jenkins

Jenkins automation server

• continuous-integration
• continuous-delivery
• continuous-deployment
• java
• groovy
• jenkins
• +4 more

10.doocs / advanced-java

😮 Core Interview Questions & Answers For Experienced Java(Backend) Developers | 互联网 Java 工程师进阶知识完全扫盲：涵盖高并发、分布式、高可用、微服务、海量数据处理等领域知识

• java
• distributed-systems
• message-queue
• redis
• distributed-search-engine
• high-availability
• +14 more

11.alibaba / nacos

an easy-to-use dynamic service discovery, configuration and service management platform for building AI cloud native applications.

• nacos
• dubbo
• kubernetes
• istio
• spring-cloud
• microservices
• +10 more

12.trinodb / trino

Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)

• java
• presto
• hive
• hadoop
• big-data
• sql
• +13 more

13.xpipe-io / xpipe

Access your entire server infrastructure from your local desktop

• java
• javafx
• docker
• ssh
• lxd
• wsl
• +10 more

14.xuxueli / xxl-job

A distributed task scheduling framework.（分布式任务调度平台XXL-JOB）

• xxl-job
• job
• quartz
• glue
• task
• schedule
• +5 more

15.theonedev / onedev

The Unified and Autonomous Development Platform

• git
• devops
• self-hosted
• ci-cd
• kanban
• packages
• +3 more

16.flyway / flyway

Flyway by Redgate • Database Migrations Made Easy.

• flyway
• java
• database-migrations
• java-library
• continuous-delivery
• devops
• +13 more

17.iterate-ch / cyberduck

Cyberduck is a libre FTP, SFTP, WebDAV, Amazon S3, Backblaze B2, Microsoft Azure & OneDrive and OpenStack Swift file transfer client for Mac and Windows.

• webdav
• sftp
• azure
• openstack-swift
• google-drive
• onedrive
• +14 more

18.quarkusio / quarkus

Quarkus: Supersonic Subatomic Java.

• kubernetes
• java
• cloud-native
• reactive
• hacktoberfest

19.apache / dolphinscheduler

Apache DolphinScheduler is the modern data orchestration platform. Agile to create high performance workflow with low-code

• workflow-schedule
• azkaban
• airflow
• task-scheduler
• job-scheduler
• cloud-native
• +5 more

20.macrozheng / mall-swarm

mall-swarm是一套微服务商城系统，采用了 Spring Cloud Alibaba、Spring Boot 3.5、Sa-Token、MyBatis、Elasticsearch、Docker、Kubernetes等核心技术，同时提供了基于Vue的管理后台方便快速搭建系统。mall-swarm在电商业务的基础集成了注册中心、配置中心、监控中心、网关等系统功能。

• springcloud
• springboot
• docker
• java
• mysql
• elasticsearch
• +8 more

21.apache / rocketmq

Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.

• rocketmq
• cloud-native
• eventing
• java
• messaging
• streaming
• +1 more

22.supertokens / supertokens-core

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

• authentication
• session-management
• login
• supertokens
• java
• signin
• +13 more

23.apache / skywalking

APM, Application Performance Monitoring System

• skywalking
• observability
• apm
• service-mesh
• dapper
• distributed-tracing
• +8 more

24.apache / dubbo

The java implementation of Apache Dubbo. An RPC and microservice framework.

• dubbo
• distributed-systems
• framework
• java
• microservices
• restful
• +5 more

25.apache / camel

Apache Camel is an open source integration framework with 350+ connectors. Write routes in Java, YAML, or XML. Run on Spring Boot, Quarkus, or standalone. Apache License 2.0.

• camel
• integration
• java
• microservices
• cloud-native
• data-transformation
• +10 more

26.alibaba / spring-cloud-alibaba

Spring Cloud Alibaba provides a one-stop solution for application development for the distributed solutions of Alibaba middleware.

• spring-cloud
• java
• spring
• microservices
• cloud-native
• spring-cloud-core
• +14 more

27.redisson / redisson

Redisson: Valkey & Redis Java Client and Real-Time Data Platform. Sync/Async/RxJava/Reactive API. Extends Valkey and Redis with over 60 objects and services: Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Spring, Tomcat, Scheduler, JCache API, Hibernate, RPC, local cache..

• java
• redis
• lock
• map
• queue
• executor
• +14 more

28.Peergos / Peergos

A p2p, secure file storage, social network and application protocol

• java
• peer-to-peer
• encryption
• social-network
• ipfs
• storage
• +13 more

29.apolloconfig / apollo

Apollo is a reliable configuration management system suitable for microservice configuration management scenarios.

• configuration-management
• spring-boot
• config-management
• microservices
• spring-cloud
• distributed-configuration

30.macrozheng / mall-learning

mall学习教程，架构、业务、技术要点全方位解析。mall项目（60k+star）是一套电商系统，使用现阶段主流技术实现。涵盖了SpringBoot、MyBatis、Elasticsearch、RabbitMQ、Redis、MongoDB、MySQL等技术，采用Docker容器化部署。

• springboot
• mybatis
• elasticsearch
• rabbitmq
• redis
• mongodb
• +3 more

31.apache / zookeeper

Apache ZooKeeper

• zookeeper
• database
• hacktoberfest
• java
• apache
• consensus
• +8 more

32.testcontainers / testcontainers-java

Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.

• java
• docker
• docker-compose
• junit
• test-automation
• jvm
• +3 more

33.microcks / microcks

The open source, cloud native tool for API Mocking and Testing. Microcks is a Cloud Native Computing Foundation incubating project 🚀

• api
• testing
• kubernetes
• api-testing
• event-driven
• graphql
• +14 more

34.liquibase / liquibase

Main Liquibase Source

• java
• liquibase
• database-migrations
• java-library
• continuous-delivery
• devops
• +11 more

35.alibaba / Sentinel

A powerful flow control component enabling reliability, resilience and monitoring for microservices. (面向云原生微服务的高可用流控防护组件)

• alibaba
• java
• microservice
• circuit-breaker
• rate-limiting
• reliability
• +3 more

36.spinnaker / spinnaker

Spinnaker is an open source, multi-cloud continuous delivery platform for releasing software changes with high velocity and confidence.

• continuous-delivery
• continuous-deployment
• spinnaker

37.sqshq / piggymetrics

Microservice Architecture with Spring Boot, Spring Cloud and Docker

• spring-boot
• spring-cloud
• microservices
• docker
• microservice

38.awsdocs / aws-doc-sdk-examples

Welcome to the AWS Code Examples Repository. This repo contains code examples used in the AWS documentation, AWS SDK Developer Guides, and more. For more information, see the Readme.md file below.

• aws
• documentation
• examples
• java
• cpp
• dotnet
• +6 more

39.apereo / cas

Apereo CAS - Identity & Single Sign On for all earthlings and beyond.

• sso-authentication
• authentication
• authorization
• java
• websso
• saml2
• +14 more

40.terrakube-io / terrakube

Open source IaC Automation and Collaboration Software.

• spring-boot
• elide
• terraform
• kubernetes
• terraform-registry
• terraform-enterprise
• +2 more

41.APIJSON / APIJSON

🏆 Real-Time no-code, powerful and secure ORM 🚀 providing APIs and Docs without coding by Backend, and Frontend(Client) can customize response JSONs 🏆 实时 零代码、全功能、强安全 ORM 库 🚀 后端接口和文档零代码，前端(客户端) 定制返回 JSON 的数据和结构

• postgresql-database
• tidb
• sqlserver
• oracle
• clickhouse
• postgresql
• +14 more

42.GoogleContainerTools / jib

🏗 Build container images for your Java applications.

• containers
• docker
• java
• kubernetes
• microservices
• maven
• +6 more

43.hazelcast / hazelcast

Hazelcast is a unified real-time data platform combining stream processing with a fast data store, allowing customers to act instantly on data-in-motion for real-time insights.

• java
• hazelcast
• in-memory
• big-data
• scalability
• distributed
• +9 more

44.Activiti / Activiti

Activiti is a light-weight workflow and Business Process Management (BPM) Platform targeted at business people, developers and system admins. Its core is a super-fast and rock-solid BPMN 2 process engine for Java. It's open-source and distributed under the Apache license. Activiti runs in any Java application, on a server, on a cluster or in the cloud. It integrates perfectly with Spring, it is extremely lightweight and based on simple concepts.

• java
• bpm
• spring
• cloud
• microservices
• business-process
• +4 more

45.micrometer-metrics / micrometer

An application observability facade for the most popular observability tools. Think SLF4J, but for observability.

• java
• monitoring
• cloud-native
• microservices
• metrics
• observability

46.dianping / cat

CAT 作为服务端项目基础组件，提供了 Java, C/C++, Node.js, Python, Go 等多语言客户端，已经在美团点评的基础架构中间件框架（MVC框架，RPC框架，数据库框架，缓存框架等，消息队列，配置系统等）深度集成，为美团点评各业务线提供系统丰富的性能指标、健康状况、实时告警等。

• apm
• java
• distributed
• realtime
• monitoring
• tracing
• +1 more

47.projectnessie / nessie

Nessie: Transactional Catalog for Data Lakes with Git-like semantics

• data
• spark
• java
• iceberg
• aws-lambda
• git

48.Netflix / eureka

AWS Service registry for resilient mid-tier load balancing and failover.

49.Netflix / conductorArchived

Conductor is a microservices orchestration engine.

• orchestration-engine
• java
• spring-boot
• distributed-systems
• workflow-management
• microservice-orchestration
• +7 more

50.GoogleCloudPlatform / bank-of-anthos

Retail banking sample application showcasing Kubernetes and Google Cloud

• samples
• kubernetes
• reference-architecture
• sample-app
• fsi
• google-cloud
• +1 more

51.apache / ignite

Apache Ignite

• distributed-sql-database
• iot
• osgi
• network-client
• ignite
• data-management-platform
• +9 more

52.googleapis / google-cloud-java

Google Cloud Client Library for Java

• java
• cloud-bigquery
• cloud-storage
• cloud-datastore
• google-cloud
• artisanal
• +1 more

53.ityouknow / spring-boot-examples

about learning Spring Boot via examples. Spring Boot 教程、技术栈示例代码，快速简单上手教程。

• spring-boot
• spring-data-jpa
• mybatis
• thymeleaf
• rabbitmq
• mongodb
• +14 more

54.ongres / stackgres

StackGres Operator, Full Stack PostgreSQL on Kubernetes // !! Mirror repository of https://gitlab.com/ongresinc/stackgres, only accept Merge Requests there.

• postgres
• postgresql
• kubernetes
• kubernetes-operator
• java
• high-availability

55.fabric8io / kubernetes-client

Java client for Kubernetes & OpenShift

• kubernetes
• openshift
• java-client
• kubernetes-client
• mocking-kubernetes
• kubernetes-model
• +4 more

56.apache / stormcrawler

A scalable, mature and versatile web crawler based on Apache Storm

• web-crawler
• apache-storm
• distributed
• java
• crawler
• stormcrawler

57.codelibs / fess

Open-source, self-hosted enterprise & site search server built on OpenSearch. Crawls web / file / DB / cloud sources, 20+ languages, REST API, and AI/RAG & semantic search. Apache-2.0.

• java
• elasticsearch
• full-text-search
• lucene
• crawler
• enterprise-search
• +13 more

58.Loophole-LLC / Bastillion

Bastillion gives you a clean, browser-based way to manage SSH access across all your systems—like a bastion host with a friendly dashboard.

• ssh
• bastion-host
• java
• javascript
• web-app
• web-based
• +8 more

59.apache / eventmesh

EventMesh is a new generation serverless event middleware for building distributed event-driven applications.

• esb
• event-driven
• event-mesh
• event-governance
• cloud-native
• serverless
• +11 more

60.MobilityData / gtfs-validator

Canonical GTFS Validator project for schedule (static) files.

• gtfs-dataset
• gtfs-validator
• gtfs-zip
• gtfs-feed
• java
• docker
• +7 more

61.apache / storm

Apache Storm

• storm
• apache
• distributed
• streaming

62.apache / linkis

Apache Linkis builds a computation middleware layer to facilitate connection, governance and orchestration between the upper applications and the underlying data engines.

• sql
• spark
• hive
• pyspark
• livy
• linkis
• +14 more

63.Ahoo-Wang / CosId

Universal, flexible, high-performance distributed ID generator. | 通用、灵活、高性能的分布式 ID 生成器

• distributed
• id
• idgenerator
• snowflake
• kubernetes
• k8s
• +14 more

64.bonigarcia / webdrivermanager

Automated driver management and other helper features for Selenium WebDriver in Java

• java
• selenium-webdriver
• chromedriver
• geckodriver
• maven
• selenium
• +2 more

65.logicalclocks / hopsworks

Hopsworks - Data-Intensive AI platform with a Feature Store

• feature-store
• aws
• azure
• data-science
• feature-engineering
• feature-management
• +11 more

66.nitrite / nitrite-java

NoSQL embedded document store for Java

• nosql
• embedded-database
• documentdb
• android
• mobile-database
• database
• +2 more

67.littlehorse-enterprises / littlehorse

LittleHorse Server: Business-as-Code Platform for Microservices, Workflows, and Agents

• microservices
• workflow-engine
• orchestration
• apache-kafka
• event-driven-architecture
• kafka-streams
• +1 more

68.aws / aws-sdk-java

The official AWS SDK for Java 1.x (In Maintenance Mode, End-of-Life on 12/31/2025). The AWS SDK for Java 2.x is available here: https://github.com/aws/aws-sdk-java-v2/

• aws-sdk
• java
• aws
• amazon

69.sirixdb / sirix

SirixDB is an an embeddable, bitemporal, append-only database system and event store, storing immutable lightweight snapshots. It keeps the full history of each resource. Every commit stores a space-efficient snapshot through structural sharing. It is log-structured and never overwrites data. SirixDB uses a novel page-level versioning approach.

• xquery
• java
• temporal-data
• storage
• snapshot
• comparison
• +14 more

70.minio / minio-java

MinIO Client SDK for Java

• libraries
• sdk
• minio-java
• client-sdk
• aws-s3
• s3-bucket

71.linkedin / brooklin

An extensible distributed system for reliable nearline data streaming at scale

• distributed-systems
• data-streaming
• scalability
• kafka-mirror-maker
• kafka
• change-data-capture
• +2 more

72.siddhi-io / siddhi

Stream Processing and Complex Event Processing Engine

• streaming-data-processing
• cep
• stream-processing
• complex-event-processing
• online-learning
• cloud-native
• +3 more

73.sashirestela / simple-openai

A Java library to use the OpenAI Api in the simplest possible way.

• httpclient
• java
• openai
• simple
• chatgpt
• api
• +14 more

74.micrometer-metrics / tracing

Provides tracing abstractions over tracers and tracing system reporters.

• cloud-native
• distributed-tracing
• java
• microservices
• observability

75.networknt / light-4j

A fast, lightweight and more productive microservices framework

• microservice
• microservice-framework
• openapi
• swagger
• consul
• zookeeper
• +10 more

76.spring-cloud / spring-cloud-stream

Framework for building Event-Driven Microservices

• microservices
• messaging
• event-driven-microservices
• stream-processing
• reactive
• cloud-native

77.line / centraldogma

Highly-available version-controlled service configuration repository based on Git, ZooKeeper and HTTP/2

• service-configuration
• configuration-management
• version-control
• vcs
• repository
• git
• +5 more

78.Netflix / genie

Distributed Big Data Orchestration Service

• big-data
• bigdata
• orchestration
• configuration
• configuration-management
• java
• +7 more

79.prometheus / cloudwatch_exporter

Metrics exporter for Amazon AWS CloudWatch

80.anahata-os / anahata-asi

Anahata ASI - Artificial Super Intelligence - Cross-Platform, Modular, Enterprise Ready, Open Source, Pure Java, AGI and ASI Containers. Context Window Garbage Collector, Stateful Toolkits, Flight Recorder. Autonomous Observable Auditable JVM Agent with JIT java code execution. Anahata ASI SDK, Anahata ASI Desktop, Anahata ASI Studio - NetBeans.

• java
• gemini
• claude
• glm
• intellij
• kimi
• +13 more

81.aws-amplify / aws-sdk-androidArchived

AWS SDK for Android. For more information, see our web site:

• aws-sdk
• android
• aws-sdk-android
• amazon-web-services
• java
• aws-mobile

82.Erudika / scoold

The Stack Overflow clone for your team (self-hosted or hosted)

• stackoverflow
• stackoverflow-questions
• questions-and-answers
• java
• spring-boot
• clone
• +14 more

83.thevpc / nuts

Nuts Java Package Manager

• package-manager
• java
• devops
• maven

84.fabric8io / docker-maven-plugin

Maven plugin for running and creating Docker images

• fabric8
• docker
• java
• maven

85.matteobaccan / owner

Get rid of the boilerplate code in properties based configuration.

• configuration
• properties
• config
• config-management
• configuration-management
• java

86.advantageous / qbit

The Java microservice lib. QBit is a reactive programming lib for building microservices - JSON, HTTP, WebSocket, and REST. QBit uses reactive programming to build elastic REST, and WebSockets based cloud friendly, web services. SOA evolved for mobile and cloud. ServiceDiscovery, Health, reactive StatService, events, Java idiomatic reactive programming for Microservices.

• qbit
• java
• microservice
• websocket-support
• websocket
• actor
• +3 more

87.scalecube / scalecube-services

Microservices library - scalecube-services is a high throughput, low latency reactive microservices library built to scale. It features: API-Gateways, service-discovery, service-load-balancing, the architecture supports plug-and-play service communication modules and features. built to provide performance and low-latency real-time stream-processing

• microservices
• reactive-streams
• distributed-systems
• service-mesh
• reactive-microservices
• ipc
• +14 more

88.Erudika / para

Multitenant backend server for building web and mobile apps rapidly. The backend for busy developers. (self-hosted or hosted)

• backend
• api-server
• json-api
• baas
• para
• java
• +13 more

89.aws / aws-lambda-java-libs

Official mirror for interface definitions and helper classes for Java code running on the AWS Lambda platform.

90.PacoVK / tapir

A Private Terraform Registry

• hashicorp
• hashicorp-terraform
• registry
• terraform
• terraform-modules
• cloud
• +3 more

91.blox / bloxArchived

Open source tools for building custom schedulers on Amazon ECS

• amazon-ecs
• aws
• container-management
• blox

92.jenkinsci / docker-plugin

Jenkins cloud plugin that uses Docker

• docker
• cloud
• java
• jenkins
• jenkins-plugin
• plugin

93.humank / ddd-practitioners-ref

EventStorming workshop, this is a hands-on workshop. Contains such topics: DDD, Event storming, Specification by example. Including the AWS product : Serverless Lambda , DynamoDB, Fargate, CloudWatch.

• aws
• eventstorming
• ddd
• serverless
• microservices
• container
• +4 more

94.mzivkovicdev / spring-crud-generator

Generate production-ready Spring Boot backend boilerplate from a single YAML or JSON spec.

• api
• docker
• generator
• graphql
• java
• maven-plugin
• +14 more

95.japgolly / clear-config-java

A modern, type-safe, and highly-composable configuration library with a focus on runtime clarity

• config
• configuration
• configuration-management
• java