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.opendataloader-project / opendataloader-pdf

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

• json
• markdown
• pdf
• ai
• document-parsing
• html
• +14 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.yuliskov / SmartTube

Browse media content with your own rules on Android TV

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

7.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

8.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

9.keycloak / keycloak

Open Source Identity and Access Management For Modern Applications and Services

• keycloak
• oidc
• saml

10.YunaiV / ruoyi-vue-pro

Translated🔥 Officially Recommended 🔥 A brand-new Pro version of RuoYi-Vue, with all features optimized and refactored. A back-office management system + WeChat Mini Program built on Spring Boot + MyBatis Plus + Vue & Element, supporting RBAC dynamic permissions, data permissions, SaaS multi-tenancy, Flowable workflow, third-party login, payment, SMS, mall, CRM, ERP, MES, IM, AI large models, IoT (Internet of Things), and more. Your ⭐️ Star ⭐️ is the author's motivation for hair growth!

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

11.skylot / jadx

Dex to Java decompiler

• android
• dex
• java
• decompiler

12.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

13.TeamNewPipe / NewPipe

A libre lightweight streaming front-end for Android.

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

14.dbeaver / dbeaver

Free universal database tool and SQL client

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

15.iBotPeaches / Apktool

A tool for reverse engineering Android apk files

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

16.jeecgboot / JeecgBoot

Translated[Low-code v2.0: generate an entire system with a single sentence] An enterprise-grade AI low-code platform that generates front-end and back-end code, even an entire system, with one click. AI Skills let you draw workflows, design forms, and generate reports and dashboards with a single sentence. The built-in AI application platform covers AI chat, knowledge base, workflow orchestration, MCP plugins and more, and is compatible with mainstream large models. It leads the AI low-code development model of "Skills generation → online configuration → code generation → manual merging → AI modification", solving 90% of the repetitive work in Java projects and improving efficiency without losing flexibility.

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

17.Anuken / Mindustry

The automation tower defense RTS

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

18.elastic / elasticsearch

Free and Open Source, Distributed, RESTful Search Engine

• elasticsearch
• java
• search-engine

19.microg / GmsCore

Free implementation of Play Services

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

20.macrozheng / mall

TranslatedThe mall project is an e-commerce system that includes a front-end shopping mall system and a back-end management system. It is built with Spring Boot + MyBatis and deployed in Docker containers. The front-end mall system includes modules for the home portal, product recommendations, product search, product display, shopping cart, order process, member center, customer service, and help center. The back-end management system includes modules for product management, order management, member management, promotion management, operations management, content management, statistical reports, financial management, permission management, and settings.

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

21.LSPosed / LSPosed

LSPosed Framework

• android
• xposed

22.halo-dev / halo

TranslatedHalo is a powerful and easy-to-use open-source website building tool. From personal blogs and knowledge bases to corporate websites and online stores, Halo can help you build them with ease, meeting your diverse website building needs in one stop.

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

23.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

24.apache / kafka

Apache Kafka - A distributed event streaming platform

• scala
• kafka
• java
• streaming

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.alibaba / spring-ai-alibaba

Agentic AI Framework for Java Developers

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

28.TheAlgorithms / Java

All Algorithms implemented in Java

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

29.jenkinsci / jenkins

Jenkins automation server

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

30.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

31.ZCShou / GoGoGo

TranslatedA virtual location tool implemented with the Android debugging API and Baidu Maps, which also includes a joystick that can move freely

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

34.iluwatar / java-design-patterns

Design patterns implemented in Java

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

35.LawnchairLauncher / lawnchair

No clever tagline needed.

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

36.DrKLO / Telegram

Telegram for Android source

• telegram

37.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

38.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

39.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

40.opensearch-project / OpenSearch

🔎 Open source distributed and RESTful search engine.

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

41.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

42.zaproxy / zaproxy

The ZAP by Checkmarx Core project

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

43.thingsboard / thingsboard

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

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

44.itwanger / toBeBetterJavaer

TranslatedAn easy-to-understand, witty and humorous Java learning guide, covering core knowledge points such as Java basics, Java concurrent programming, the Java Virtual Machine, Java enterprise development, and Java interviews. To learn Java, look no further than 二哥's (Erge, "Second Brother") Java advancement path 😄

• java
• jvm
• springboot
• mysql
• redis

45.doocs / leetcode

Translated🔥LeetCode solutions in any programming language | Solutions to LeetCode, "Jianzhi Offer (2nd Edition)" (剑指 Offer), and "Cracking the Coding Interview (6th Edition)" (程序员面试金典) implemented in multiple programming languages

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

46.neo4j / neo4j

Graphs for Everyone

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

47.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

48.YunaiV / yudao-cloud

TranslatedA brand-new Cloud version of ruoyi-vue-pro, with all features optimized and refactored. A back-office management system + user mini program built on Spring Cloud Alibaba + MyBatis Plus + Vue & Element, supporting RBAC dynamic permissions, multi-tenancy, data permissions, workflow, third-party login, payment, SMS, mall, CRM, ERP, MES, IM, AI large models, IoT (Internet of Things), and more. Your ⭐️ Star ⭐️ is the motivation for the author to grow hair!

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

49.dataease / dataease

Translated🔥 An open-source BI tool anyone can use, a powerful data visualization tool. An open-source BI tool alternative to Tableau.

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

50.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

51.kdn251 / interviews

Everything you need to know to get the job.

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

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.openjdk / jdk

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

• openjdk
• java
• jvm

54.languagetool-org / languagetool

Style and Grammar Checker for 25+ Languages

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

55.niedev / RTranslator

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

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

56.JetBrains / intellij-community

IntelliJ IDEA & IntelliJ Platform

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

57.bazelbuild / bazel

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

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

58.kekingcn / kkFileView

Universal File Online Preview Project based on Spring-Boot

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

59.spring-projects / spring-framework

Spring Framework

• spring
• spring-framework
• spring-mvc

60.SeleniumHQ / selenium

A browser automation framework and ecosystem.

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

61.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

62.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

63.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

64.google / guava

Google core libraries for Java

• guava
• java

65.xpipe-io / xpipe

Access your entire server infrastructure from your local desktop

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

66.00-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

67.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

68.doocs / advanced-java

Translated😮 Core Interview Questions & Answers For Experienced Java(Backend) Developers | A complete primer on advanced knowledge for internet Java engineers: covering high concurrency, distributed systems, high availability, microservices, massive data processing, and other areas

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

69.xuxueli / xxl-job

TranslatedA distributed task scheduling framework.

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

70.questdb / questdb

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

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

71.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

72.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

73.SonarSource / sonarqube

Continuous Inspection

• sonarqube
• code-quality
• static-analysis

74.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

75.apache / iceberg

Apache Iceberg

• iceberg
• apache
• hacktoberfest

76.binarywang / WxJava

TranslatedWeChat development Java SDK, supporting back-end development for WeChat Pay, Open Platform, Mini Programs, WeCom (Enterprise WeChat), Channels (video accounts), Official Accounts, and more

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

77.apache / flink

Apache Flink

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

78.libgdx / libgdx

Desktop/Android/HTML5/iOS Java game development framework

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

79.JabRef / jabref

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

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

80.jd-opensource / joyagent-jdgenie

TranslatedAn open-source, end-to-end, product-grade general-purpose agent

81.apache / seatunnel

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

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

82.plantuml / plantuml

Generate diagrams from textual description

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

83.metersphere / metersphere

TranslatedMeterSphere is a new-generation open-source continuous testing tool with a built-in AI assistant, making software testing simpler and more efficient so that it no longer becomes a bottleneck for continuous delivery.

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

84.alibaba / arthas

TranslatedAlibaba Java Diagnostic Tool Arthas

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

85.DuGuQiuBai / Java

TranslatedBecome a Java master in 27 days

86.theonedev / onedev

The Unified and Autonomous Development Platform

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

87.gyoogle / tech-interview-for-developer

Translated👶🏻 Encyclopedia of major knowledge & technical interviews for junior developers 📖

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

88.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

89.flyway / flyway

Flyway by Redgate • Database Migrations Made Easy.

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

90.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

91.AntennaPod / AntennaPod

A podcast manager for Android

• podcast-manager
• android
• apps
• podcasting20

92.MisterBooo / LeetCodeAnimation

TranslatedDemonstrate all the questions on LeetCode in the form of animation. (Presenting the approach to solving LeetCode problems in the form of animation; full step-by-step, replay, variable speed, and voice explanation are available at algomooc.com)

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

93.osmandapp / OsmAnd

OsmAnd

94.dromara / Sa-Token

Translated✨ An open-source, free, one-stop Java permission authentication framework that makes authentication and authorization simple and elegant! — Login authentication, permission authentication, distributed Session, microservice gateway authentication, SSO single sign-on, OAuth2.0 unified authentication, jwt integration, API Key authorization, API parameter signing

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

95.apache / cassandra

Open source transactional distributed database. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure without compromising performance.

• cassandra
• java
• database

96.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

97.quarkusio / quarkus

Quarkus: Supersonic Subatomic Java.

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

98.killbill / killbill

Open-Source Subscription Billing & Payments Platform

• killbill
• billing
• payments
• subscriptions

99.ben-manes / caffeine

A high performance caching library for Java

100.supertokens / supertokens-core

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

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