Trending repositories

1.NationalSecurityAgency / ghidra

Ghidra is a software reverse engineering (SRE) framework

• software-analysis
• disassembler
• reverse-engineering

2.floci-io / floci

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

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

3.termux / termux-app

Termux - a terminal emulator application for Android OS extendible by variety of packages.

• android
• terminal
• termux
• linux
• hacktoberfest

4.yuliskov / SmartTube

Browse media content with your own rules on Android TV

• android
• android-tv
• android-tv-box
• java
• rxjava-android
• retrofit2
• +1 more

5.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

6.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

7.opendataloader-project / opendataloader-pdf

PDF Parser for AI-ready data. Automate PDF accessibility. Open-source.

• json
• markdown
• pdf
• ai
• document-parsing
• html
• +14 more

8.ashishps1 / awesome-low-level-design

Learn Low Level Design (LLD) and prepare for interviews using free resources.

• awesome
• design-patterns
• interview
• interview-practice
• interview-questions
• low-level-design
• +6 more

9.YunaiV / ruoyi-vue-pro

🔥 官方推荐 🔥 RuoYi-Vue 全新 Pro 版本，优化重构所有功能。基于 Spring Boot + MyBatis Plus + Vue & Element 实现的后台管理系统 + 微信小程序，支持 RBAC 动态权限、数据权限、SaaS 多租户、Flowable 工作流、三方登录、支付、短信、商城、CRM、ERP、MES、IM、AI 大模型、IoT 物联网等功能。你的 ⭐️ Star ⭐️，是作者生发的动力！

• springboot
• vue
• mysql
• redis
• mybatis-plus
• redisson
• +2 more

10.iBotPeaches / Apktool

A tool for reverse engineering Android apk files

• apktool
• apk
• android
• reverse-engineering
• arsc
• 9patch

11.keycloak / keycloak

Open Source Identity and Access Management For Modern Applications and Services

• keycloak
• oidc
• saml

12.skylot / jadx

Dex to Java decompiler

• android
• dex
• java
• decompiler

13.TeamNewPipe / NewPipe

A libre lightweight streaming front-end for Android.

• youtube-video
• video
• newpipe
• watch
• translation
• download-videos
• +5 more

14.erupts / erupt

Code as configuration. Annotate a Java entity with @Erupt and ship a production-grade admin backend in minutes — UI, RBAC, audit logs and APIs, all generated at runtime. No codegen, no frontend.

• annotation
• erupt
• low-code
• mdd
• rbac
• semantic
• +2 more

15.jeecgboot / JeecgBoot

【低代码v2.0，一句话即可生成整个系统】企业级AI低代码平台，一键生成前后端代码甚至整个系统。 AI Skills 一句话画流程、设计表单、生成报表、大屏。内置 AI应用平台涵盖：AI聊天、知识库、流程编排、MCP插件等，兼容主流大模型。引领AI低代码「Skills 生成 → 在线配置 → 代码生成 → 手工合并->AI修改」开发模式，解决 Java 项目 90% 重复工作，提高效率又不失灵活。

• antd
• activiti
• codegenerator
• springcloud
• springboot
• low-code
• +14 more

16.Anuken / Mindustry

The automation tower defense RTS

• game
• java
• multiplatform
• tower-defense
• sandbox-game
• rts
• +4 more

17.dbeaver / dbeaver

Free universal database tool and SQL client

• sql
• database
• dbeaver
• gui
• mysql
• postgresql
• +12 more

18.microg / GmsCore

Free implementation of Play Services

• java
• android
• microg
• google-cloud-messaging
• maps
• auth
• +8 more

19.LSPosed / LSPosed

LSPosed Framework

• android
• xposed

20.elastic / elasticsearch

Free and Open Source, Distributed, RESTful Search Engine

• elasticsearch
• java
• search-engine

21.aklivity / zilla

🦎 A lightweight, streaming-native, multi-protocol gateway for AI, APIs, and real-time data. Route LLM requests across providers, govern MCP tools, and connect Kafka, MQTT, and HTTP through one high-performance engine with shared security and observability.

• kafka
• rest
• server-sent-events
• streaming-api
• grpc
• mqtt
• +9 more

22.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

23.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

24.TheAlgorithms / Java

All Algorithms implemented in Java

• java
• algorithms
• algorithms-datastructures
• algorithm-challenges
• sorting-algorithms
• search
• +4 more

25.kunal-kushwaha / DSA-Bootcamp-Java

This repository consists of the code samples, assignments, and notes for the Java data structures & algorithms + interview preparation bootcamp of WeMakeDevs.

• java
• interview-preparation
• data-structures
• algorithms
• competitive-programming
• math
• +7 more

26.spring-projects / spring-boot

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

• java
• spring-boot
• spring
• framework

27.apache / kafka

Apache Kafka - A distributed event streaming platform

• scala
• kafka
• java
• streaming

28.halo-dev / halo

Halo 是一款强大易用的开源建站工具，从个人博客、知识库，到企业官网、在线商城，Halo 都能助您轻松实现，一站式满足您的多样化建站需求。

• halo
• cms
• halocms
• content-management-system
• blog
• blog-engine
• +1 more

29.ZCShou / GoGoGo

一个基于 Android 调试 API + 百度地图实现的虚拟定位工具，并且同时实现了一个可以自由移动的摇杆

• android
• joystick
• map
• fake-gps
• fake-locations
• java
• +4 more

30.LawnchairLauncher / lawnchair

No clever tagline needed.

• android
• launcher
• launcher3
• app
• kotlin
• hacktoberfest
• +1 more

31.emanuele-f / PCAPdroid

No-root network monitor, firewall and PCAP dumper for Android

• pcap
• capture-traffic
• android
• no-root
• traffic-monitor
• pcap-files
• +6 more

32.cryptomator / cryptomator

Cryptomator for Windows, macOS, and Linux: Secure client-side encryption for your cloud storage, ensuring privacy and control over your data.

• cryptomator
• java
• cloud-storage
• cryptography
• crypto
• security
• +2 more

33.beemdevelopment / Aegis

A free, secure and open source app for Android to manage your 2-step verification tokens.

• otp
• totp
• hotp
• android
• secure
• encryption
• +3 more

34.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

35.checkstyle / checkstyle

Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly configurable. It can be invoked with an ANT task and a command line program.

• java
• static-code-analysis
• command-line-tool
• static-analysis
• code-quality
• hacktoberfest

36.DrKLO / Telegram

Telegram for Android source

• telegram

37.alibaba / spring-ai-alibaba

Agentic AI Framework for Java Developers

• artificial-intelligence
• java
• spring-ai
• agentic
• context-engineering
• multi-agent
• +3 more

38.langchain4j / langchain4j

LangChain4j is an idiomatic, open-source Java library for building LLM-powered applications on the JVM. It offers a unified API over popular LLM providers and vector stores, and makes implementing tool calling (including MCP support), agents and RAG easy. It integrates seamlessly with enterprise Java frameworks like Quarkus and Spring Boot.

• huggingface
• java
• langchain
• openai
• chatgpt
• gpt
• +14 more

39.zaproxy / zaproxy

The ZAP by Checkmarx Core project

• zap
• zap-development
• dast
• appsec
• zaproxy
• security
• +3 more

40.ashishps1 / awesome-leetcode-resources

Awesome LeetCode resources to learn Data Structures and Algorithms and prepare for Coding Interviews.

• algorithms
• coding
• data-structures
• leetcode
• leetcode-patterns
• dsa

41.iluwatar / java-design-patterns

Design patterns implemented in Java

• java
• principles
• design-patterns
• awesome-list
• snippets
• snippets-collection
• +2 more

42.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

43.opensearch-project / OpenSearch

🔎 Open source distributed and RESTful search engine.

• search
• search-engine
• analytics
• java
• foss
• apache2

44.google / guava

Google core libraries for Java

• guava
• java

45.kdn251 / interviews

Everything you need to know to get the job.

• java
• interview
• interview-questions
• interview-practice
• interview-preparation
• interview-prep
• +14 more

46.thingsboard / thingsboard

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

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

47.languagetool-org / languagetool

Style and Grammar Checker for 25+ Languages

• grammar
• natural-language
• natural-language-processing
• style-checker
• proofreading
• spellcheck

48.apache / doris

Apache Doris is a real-time analytics and hybrid search database for AI agents.

• olap
• database
• hudi
• iceberg
• real-time
• sql
• +12 more

49.dataease / dataease

🔥 人人可用的开源 BI 工具，数据可视化神器。An open-source BI tool alternative to Tableau.

• tableau
• data-visualization
• superset
• apache-doris
• data-analysis
• business-intelligence
• +2 more

50.doocs / leetcode

🔥LeetCode solutions in any programming language | 多种编程语言实现 LeetCode、《剑指 Offer（第 2 版）》、《程序员面试金典（第 6 版）》题解

• algorithms
• cpp
• javascript
• golang
• csharp
• python3
• +2 more

51.itwanger / toBeBetterJavaer

一份通俗易懂、风趣幽默的Java学习指南，内容涵盖Java基础、Java并发编程、Java虚拟机、Java企业级开发、Java面试等核心知识点。学Java，就认准二哥的Java进阶之路😄

• java
• jvm
• springboot
• mysql
• redis

52.gsantner / markor

Text editor - Notes, ToDo & Filemanager (for Android) - Markdown, todo.txt, plaintext, math, ..

• markdown
• markdown-editor
• android-app
• editor
• todo
• todotxt
• +14 more

53.YunaiV / yudao-cloud

ruoyi-vue-pro 全新 Cloud 版本，优化重构所有功能。基于 Spring Cloud Alibaba + MyBatis Plus + Vue & Element 实现的后台管理系统 + 用户小程序，支持 RBAC 动态权限、多租户、数据权限、工作流、三方登录、支付、短信、商城、CRM、ERP、MES、IM、AI 大模型、IoT 物联网等功能。你的 ⭐️ Star ⭐️，是作者生发的动力！

• dubbo
• springcloud
• springboot
• rocketmq
• zookeeper
• mysql
• +10 more

54.neo4j / neo4j

Graphs for Everyone

• cypher
• graphdb
• database
• nosql
• graph
• graph-database
• +1 more

55.kekingcn / kkFileView

Universal File Online Preview Project based on Spring-Boot

• fileview
• kkfileview
• office-view
• fileviewer
• docx
• java
• +3 more

56.jenkinsci / jenkins

Jenkins automation server

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

57.bazelbuild / bazel

a fast, scalable, multi-language and extensible build system

• bazel
• build
• test
• fast
• correct
• scalable
• +2 more

58.openjdk / jdk

JDK main-line development https://openjdk.org/projects/jdk

• openjdk
• java
• jvm

59.00-Evan / shattered-pixel-dungeon

Shattered Pixel Dungeon is an open-source traditional roguelike dungeon crawler with randomized levels and enemies, and hundreds of items to collect and use. It's based on the source code of Pixel Dungeon, by Watabou.

• android
• game
• game-development
• ios
• java
• libgdx

60.niedev / RTranslator

Open source real-time translation app for Android that runs locally

• translator
• bluetooth-le
• realtime-translator
• android-app
• onnx
• onnxruntime
• +8 more

61.JetBrains / intellij-community

IntelliJ IDEA & IntelliJ Platform

• intellij
• intellij-platform
• ide
• code-editor
• intellij-community

62.SeleniumHQ / selenium

A browser automation framework and ecosystem.

• selenium
• webdriver
• java
• ruby
• python
• javascript
• +2 more

63.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

64.spring-projects / spring-framework

Spring Framework

• spring
• spring-framework
• spring-mvc

65.debezium / debezium

Change data capture for a variety of databases. Please log issues at https://github.com/debezium/dbz/issues.

• change-data-capture
• kafka-connect
• apache-kafka
• debezium
• cdc
• database
• +5 more

66.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

67.JabRef / jabref

Desktop app for managing BibTeX and BibLaTeX (.bib) libraries

• jabref
• bibtex
• java
• latex
• biblatex
• bibliography
• +14 more

68.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

69.questdb / questdb

QuestDB is a high performance, open-source, time-series database

• time-series
• low-latency
• database
• sql
• questdb
• tsdb
• +14 more

70.xpipe-io / xpipe

Access your entire server infrastructure from your local desktop

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

71.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

72.apache / iceberg

Apache Iceberg

• iceberg
• apache
• hacktoberfest

73.libgdx / libgdx

Desktop/Android/HTML5/iOS Java game development framework

• libgdx
• java
• game
• cross-platform
• android
• ios
• +10 more

74.SonarSource / sonarqube

Continuous Inspection

• sonarqube
• code-quality
• static-analysis

75.PaperMC / Paper

The most widely used, high performance Minecraft server that aims to fix gameplay and mechanics inconsistencies

• minecraft
• bukkit
• minecraft-server
• minecraft-api
• minecraft-performance
• tacos
• +4 more

76.StarRocks / starrocks

The world's fastest open query engine for sub-second analytics both on and off the data lakehouse. With the flexibility to support nearly any scenario, StarRocks provides best-in-class performance for multi-dimensional analytics, real-time analytics, and ad-hoc queries. A Linux Foundation project.

• database
• olap
• sql
• analytics
• big-data
• realtime-database
• +14 more

77.apache / seatunnel

SeaTunnel is a multimodal, high-performance, distributed, massive data integration tool.

• data-integration
• high-performance
• offline
• real-time
• apache
• batch
• +8 more

78.apache / flink

Apache Flink

• scala
• java
• big-data
• flink
• python
• sql

79.OpenAPITools / openapi-generator

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

• rest-api
• rest-client
• sdk
• generator
• restful-api
• api
• +7 more

80.binarywang / WxJava

微信开发 Java SDK ，支持包括微信支付，开放平台，小程序，企业微信，视频号，公众号等的后端开发

• weixin
• wechat
• weixin-sdk
• wechat-sdk
• java
• sdk
• +9 more

81.osmandapp / OsmAnd

OsmAnd

82.apache / gravitino

World's most powerful open data catalog for building a high-performance, geo-distributed and federated metadata lake.

• datalake
• lakehouse
• metadata
• federated-query
• stratosphere
• metalake
• +5 more

83.theonedev / onedev

The Unified and Autonomous Development Platform

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

84.AntennaPod / AntennaPod

A podcast manager for Android

• podcast-manager
• android
• apps
• podcasting20

85.gyoogle / tech-interview-for-developer

👶🏻 신입 개발자 전공 지식 & 기술 면접 백과사전 📖

• interview
• developer
• tech
• computer-science
• algorithm
• it
• +9 more

86.DuGuQiuBai / Java

27天成为Java大神

87.MisterBooo / LeetCodeAnimation

Demonstrate all the questions on LeetCode in the form of animation.（用动画的形式呈现解LeetCode题目的思路,完整单步/回看/变速/语音讲解在 algomooc.com）

• leetcode
• leetcode-solutions
• leetcode-java
• animation
• leetcode-c

88.flyway / flyway

Flyway by Redgate • Database Migrations Made Easy.

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

89.williamfiset / algorithms

A collection of algorithms and data structures

• algorithms
• linear-algebra
• graph-theory
• search-algorithms
• strings
• sorting-algorithms
• +14 more

90.metersphere / metersphere

MeterSphere 是新一代的开源持续测试工具，内置 AI 助手，让软件测试工作更简单、更高效，不再成为持续交付的瓶颈。

• jmeter
• testing
• test-automation
• api-testing
• testcase
• testlink
• +5 more

91.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

92.alibaba / arthas

Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas

• java
• agent
• trace
• jvm
• arthas
• trouble-shooting
• +3 more

93.quarkusio / quarkus

Quarkus: Supersonic Subatomic Java.

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

94.dromara / Sa-Token

✨ 开源、免费、一站式 Java 权限认证框架，让鉴权变得简单、优雅！—— 登录认证、权限认证、分布式 Session 会话、微服务网关鉴权、SSO 单点登录、OAuth2.0 统一认证、jwt 集成、API Key 秘钥授权、API 参数签名

• java
• token
• authorization
• sso
• aouth2
• springcloud

95.flowable / flowable-engine

A compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.

• bpmn
• java
• workflow
• workflow-engine

96.plantuml / plantuml

Generate diagrams from textual description

• diagram
• diagram-as-code
• diagrams
• diagrams-as-code
• java
• plantuml
• +2 more

97.EnterpriseQualityCoding / FizzBuzzEnterpriseEdition

FizzBuzz Enterprise Edition is a no-nonsense implementation of FizzBuzz made by serious businessmen for serious business purposes.

98.killbill / killbill

Open-Source Subscription Billing & Payments Platform

• killbill
• billing
• payments
• subscriptions

99.zxing / zxing

ZXing ("Zebra Crossing") barcode scanning library for Java, Android

• java
• android
• barcode
• barcode-scanner
• zxing
• qr-code
• +2 more

100.ben-manes / caffeine

A high performance caching library for Java