An open API service indexing awesome lists of open source software.

Java

Java was originally developed as an alternative to the C/C++ programming languages. It is now mainly used for building web, desktop, mobile, and embedded applications. Java is owned and licensed through Oracle, with free and open source implementations available from Oracle and other vendors.

https://github.com/saeg/asm-defuse

ASM powered by definitions/uses analysis

asm java

Last synced: 10 Feb 2026

https://github.com/vatri/freelancer-platform

A quickstart Java Spring project for freelance websites development.

bootstrap hibernate hibernate-orm java javaspring mysql spring spring-boot springframework thymeleaf

Last synced: 11 Apr 2025

https://github.com/rcsb/colorbrewer

:rainbow: Create color blind friendly color palettes in Java

color-palette colorblind colorbrewer colorpicker java

Last synced: 11 Jan 2026

https://github.com/diennea/blazingcache

Blazing Fast Distributed Cache

caching distributed java jcache

Last synced: 02 Feb 2026

https://github.com/learnlib/alex

Automata Learning EXperience (ALEX) - A free and open-source web application for testing and learning web applications via active automata learning

automata-learning automata-learning-algorithms java learnlib machine-learning selenium web-application

Last synced: 30 Apr 2025

https://github.com/mapteb/simple-state-machine

A simple Java state machine for Spring Boot projects

finite-state-machine fsm java spring-boot state-machine statechart statemachine

Last synced: 03 May 2025

https://github.com/jenkinsci/webhook-step-plugin

Jenkins Pipeline plugin for blocking a pipeline until an external system calls a webhook.

java

Last synced: 09 Apr 2025

https://github.com/nuno-faria/sokoban-game

A sokoban game made in Java with JavaFX

coop game java javafx multiplayer puzzle sockets sokoban

Last synced: 19 Apr 2025

https://github.com/depromeet/10mm-server

10MM, 하루 10분으로 시작하는 습관 만들기

backend java jpa spring-boot

Last synced: 19 Apr 2025

https://github.com/chorus-bdd/chorus

The Chorus BDD interpreter - Executable specifications for distributed systems

bdd bdd-framework bdd-tests chorus distributed-systems gherkin integration-testing integration-tests java javascript testing

Last synced: 11 Apr 2025

https://github.com/xxdark/deencapsulation

For those, who does not want to deal with Jigsaw

java jigsaw

Last synced: 19 Apr 2025

https://github.com/ksoichiro/gradle-build-info-plugin

Gradle plugin to include build information such as Git commit ID to your JAR. It can be used to show Git commit information with Spring Boot Actuator.

gradle gradle-plugin java spring-boot

Last synced: 12 Apr 2025

https://github.com/SpineEventEngine/core-java

The Java implementation of the framework core

ddd-cqrs-framework event-sourcing java

Last synced: 14 Jun 2025

https://github.com/gdut-yy/leetcode-hub-java

基于 java21 + maven3.9 + junit5 + jacoco 的 leetcode + codeforces + atcoder + nowcoder 练习仓库。

algorithm algorithms atcoder codeforces jacoco java java17 java21 junit5 leetcode luogu nowcoder oj oj-solutions unit-test

Last synced: 16 Mar 2025

https://github.com/pelock/jobfuscator

JObfuscator is a source code obfuscator for the Java language. Protect Java source code & algorithms from hacking, cracking, reverse engineering, decompilation & technology theft.

decompiler decompiler-java java mangle mangler obfuscate obfuscate-code obfuscate-strings obfuscated obfuscation obfuscator obfuscators security source-code

Last synced: 30 Jul 2025

https://github.com/hakky54/java-tutorials

📝 A repository containing different java tutorials

elasticsearch grpc java log-captor mockito security spring ssl tls tutorial unit-testing websocket

Last synced: 14 Apr 2025

https://github.com/ingef/conquery

Visual, interactive queries against big databases

big-data big-data-analytics java

Last synced: 08 May 2025

https://github.com/blackboxvision/datetimepicker-edittext

📅 A set of EditTexts with built-in support for Date and TimePicker's using Fragments

android calendar datetimepicker edittext java library timepicker

Last synced: 14 May 2025

https://github.com/kuangcp/notes

:memo: Migrated to(迁移至) https://github.com/Kuangcp/Note 当前仓库已经废弃, 对应的博客网站:

docker gradle groovy java linux markdown maven mysql nginx notes oracle postgresql python spring

Last synced: 20 Aug 2025

https://github.com/wgrape/blog

欢迎关注博客 🎉🎉🎉 ,分享开源项目、后端开发、中间件和架构等计算机领域的原创技术文章 :wgrape.github.io

architecture blog go golang java javascript linux mysql php python redis

Last synced: 24 Apr 2025

https://github.com/mini2dx/miniscript

A scripting library for Java-based games

game java libgdx lwjgl mini2dx scripting

Last synced: 15 Apr 2025

https://github.com/xedziu/keepmypassword-desktop

KeepMyPassword for Desktop - keep your passwords locally and secure.

hacktoberfest java javafx javafx-desktop-apps

Last synced: 02 Jul 2025

https://github.com/dreamcats/online-interview

在线面试助手:包含各个大厂的面经、算法题、知识点,并且小程序包含长按复制和点击图片预览功能,同时小程序继续优化和开发。

interview java python wx

Last synced: 19 Apr 2025

https://github.com/zsr2531/bali

A fast and lightweight .Net library for reading and writing .class files.

binary class csharp dotnet format java

Last synced: 14 Jul 2025

https://github.com/xvik/guice-validator

Guice javax.validation method validation integration

guice java validator

Last synced: 13 Apr 2025

https://github.com/morfly/airin

Airin is a tool for the automated migration of Gradle Android projects to Bazel

android bazel build gradle java kotlin starlark

Last synced: 27 Oct 2025

https://github.com/alibaba/table-computing

Table-Computing (Simplified as TC) is a high performance and low latency computing framework, 10x faster than Flink for complicated use cases, distributed and light weighted, relational operation, simple to use, write less and do more.

big-data data-analysis java stream-processing table-computing tc

Last synced: 14 Oct 2025

https://github.com/pool-of-tears/ktscheduler

LIghtweight task/job scheduling library for Kotlin, powered by Kotlin coroutines!

backend java job-scheduler jvm kotlin kotlin-coroutines kotlin-library task-scheduler

Last synced: 13 Oct 2025

https://github.com/ai-forever/spring-ai-gigachat

Spring AI extension for GigaChat LLM

gigachat java kotlin spring-ai

Last synced: 01 Feb 2026

https://github.com/leakyabstractions/result

🎱 A Java library to handle success and failure without exceptions

error-handling exception-handling exceptions functional-programming java java-library library monad result

Last synced: 09 Mar 2026

https://github.com/diennea/blobit

BlobIt - a Distributed Large Object Storage

blob-storage bookkeeper distributed java storage

Last synced: 22 Aug 2025

https://github.com/komma/komma

KOMMA - RDF object mapper for Java

java modeling object-mapper object-mapping rdf sparql

Last synced: 01 Aug 2025

https://github.com/activecampaign/postmark-java

Official Java client library for the Postmark HTTP API

email email-sender email-sending java java-library postmark sending

Last synced: 06 Jan 2026

https://github.com/3kuai/hanbo-db

hanboDB is a high available,low latency memory database system

java message-queue netty4 pubsub redis-server

Last synced: 26 Apr 2026

https://github.com/amrdeveloper/astro

Free and Open Source Java IDE Side Project that can compile and run java code and other features for editor like auto complate and auto import for packages

ide integrated-development-environment java javafx richtextfx texteditor

Last synced: 20 Oct 2025

https://github.com/thedumbtechguy/folio

A Page based navigation framework for Android with a simplified lifecycle and easy transition animations.

android fragments java lifecycle navigation navigation-framework page

Last synced: 23 Jul 2025

https://github.com/wkgcass/jdkman

Manage multiple JDK instances.

command-line-tool java native-image

Last synced: 08 Mar 2026

https://github.com/helpermethod/zip-forge

A tiny, formatter-friendly Java DSL for creating ZIP files.

dsl groovy java java-8 kotlin zipfile

Last synced: 13 Jun 2025

https://github.com/asaph/twofactorauth

Google Authenticator compatible 2-Factor Auth in Java

2fa 2factor google-authenticator java

Last synced: 12 Apr 2025

https://github.com/poppsya/mediateka

The app demonstrates principles of usecases with RxJava2 , Dagger2 , Room , MVP , Mockito and Clean Architecture in Android. 📚

android android-application android-cleanarchitecture clean-architecture dagger2 gson java kotlin kotlin-android mockito-framework mvp mvp-android retrofit room room-android room-persistence-library rxjava-android rxjava2 testing unit-testing

Last synced: 16 Aug 2025

https://github.com/agoncal/agoncal-course-quarkus-microservices

Code for of course "Building Microservices with Quarkus"

course java microservice quarkus

Last synced: 12 Apr 2025

https://github.com/homyakin/iuliia-java

Transliterate Cyrillic → Latin in every possible way (Java version)

cyrillic international iuliia jackson-json java java-17 latin library maven transliteration

Last synced: 10 Apr 2025

https://github.com/leonardosnt/java-class-tools

Read and write java class files in Node.js or in the browser.

assembler browser class disassembler java javascript node parser reader writer

Last synced: 30 Oct 2025

https://github.com/ketola/jlibra

A Java library for building applications on Diem (previously known as Libra)

cryptocurrencies diem hacktoberfest java libra

Last synced: 11 May 2025

https://github.com/NTNU-IHB/FMI4j

FMI4j is a software package for dealing with Functional Mockup Units (FMUs) on the JVM

co-simulation fmi fmi-standard fmu java kotlin model-exchange

Last synced: 05 May 2025

https://github.com/nullishamy/kate

A JVM written in Rust.

java jvm rust

Last synced: 16 Jun 2025

https://github.com/dataanon/data-anon

Data Anonymization implementation in Kotiln

anonymization blacklist dsl java kotlin kotlin-anonymization whitelist

Last synced: 02 Aug 2025

https://github.com/naynecoder/yorm

Simple ORM based on Java Records

database java jdbc mysql orm postgres snowflake sql

Last synced: 30 Aug 2025

https://github.com/anitaa1990/rxandroid-sample

A list of concise write ups on the implementation of RxJava in Android

android android-development java rxandroid rxjava2 rxjavasamples

Last synced: 24 Jul 2025

https://github.com/sncf-connect-tech/hesperides

Configuration management tool providing universal text file templating and properties editing through a REST API or a webapp (backend part)

backend configuration-management hacktoberfest hesperides java mongodb mustache spring-boot templating

Last synced: 23 Oct 2025

https://github.com/lostsky3000/dfactor

A lightweight server framework in java,一个用java编写的多核服务端开发框架

actor cluster erlang game java mmorpg rpc server ssl websocket

Last synced: 25 Oct 2025

https://github.com/arrayfire/arrayfire-java

Java wrapper for ArrayFire

arrayfire gpgpu gpu hpc java java-wrapper

Last synced: 17 Dec 2025

https://github.com/omerio/graphviz-server

Java based GraphViz HTTP Server

dot-binaries dot-graph graphviz graphviz-server java

Last synced: 11 Jan 2026

https://github.com/idouble/cat-face-detector-with-opencv-and-javafx

📹 A Small OpenCV (Open Source Computer Vision) Example, who has the ability to detect multiple cat faces at the same time 🐱

camera cat cat-face-detector cats detected-cat-faces eclipse face face-detection image-processing java javafx opencv picture workspace

Last synced: 30 Apr 2025

https://github.com/dorkbox/tweenengine

High performance and lightweight Animation/Tween framework for Java 8+

android animation java

Last synced: 07 May 2025

https://github.com/terryhuanghd/useragency-android

UserAgency is an Android User-Agent generator library written in Java/Kotlin. Provides story-oriented usage, and comprehensive way to mock real life data.

android chrome edge firefox ie java safari user-agent

Last synced: 13 Apr 2025

https://github.com/Chorus-bdd/Chorus

The Chorus BDD interpreter - Executable specifications for distributed systems

bdd bdd-framework bdd-tests chorus distributed-systems gherkin integration-testing integration-tests java javascript testing

Last synced: 07 May 2025

https://github.com/threadnew/ssm_project

这个一个SSM+shiro+maven+bootstrap的项目实战,经典的图书管理系统。

bootstrap java mybatis mysql shiro spring springmvc ssm-maven

Last synced: 29 Oct 2025

https://github.com/wenbochang888/seckill

Java高并发秒杀系统,基于SSM + redis实现

high-concurrency java redis seckill ssm

Last synced: 05 May 2025

https://github.com/yegor256/threecopies

Hosted Server Backup Service

backup eolang java mysql web-service

Last synced: 07 Sep 2025

https://github.com/zmievsa/autograder

Automatic assignment grading for instructor use in programming courses

c cpp education grading grading-system java python testcases utility

Last synced: 30 Mar 2025

https://github.com/jcabi/jcabi-mysql-maven-plugin

MySQL Maven Plugin: starts MySQL server on pre-integration phase and shuts it down on post-integration phase

java maven maven-plugin mysql

Last synced: 27 Jun 2025

https://github.com/google/escapevelocity

A subset reimplementation of Apache Velocity with a much simpler API.

apache-velocity java template template-engine template-evaluation template-language velocity

Last synced: 14 May 2025

https://github.com/noear/liquor

Java dynamic compiler (jar in jar compatible), Java expression engine, Java script engine. Dynamic Compilation as a Service! (Supports JSR223)

dynamic-compilation java

Last synced: 14 Apr 2025

https://github.com/woowacourse-teams/2023-naaga

장소의 사진을 보고 걸어다니며 추리하는 게임 서비스: "나아가"🕵🏻‍♂️

android java kakao-api kotlin kotlin-android naver-api spring spring-boot

Last synced: 13 Apr 2025

https://github.com/apache/hbase-native-client

Apache HBase Native Client

database hbase java

Last synced: 10 Apr 2025

https://github.com/mtarek97/timetable-generator

An automated time table generator using genetic algorithms in java.

genetic-algorithms java javafx-application

Last synced: 08 Oct 2025

https://github.com/webfuzzing/dataset

Web Fuzzing Dataset (WFD): a set of web/enterprise applications for experimentation in automated system testing

benchmark casestudy enterprise-applications java rest test

Last synced: 07 Oct 2025

https://github.com/leewyatt/fxgl_tank

Game 90 tank; Powered by FXGL game engine

fxgl game java javafx tank

Last synced: 27 Jul 2025

https://github.com/hoanghiephui/bitcoin-wallet

Bitcoin Wallet app for your Android device. Bitcoin Wallet is decentralized and peer-to-peer. There is no server that would hold any of your private data.

android android-jetpack bitcoin bitcoin-wallet bitcoinj blockchain dagger2 java kotlin p2p rxjava2 wallet

Last synced: 28 Oct 2025

https://github.com/igr/jrsmq

A lightweight message queue for Java that requires no dedicated queue server. Just a Redis server.

fifo java message-queue queue redis rsmq

Last synced: 21 Jun 2025

https://github.com/rainbowdashlabs/sadu

Sql and damn utilitites. The successor of the sql-util.

database hacktoberfest java mariadb mysql postgresql sql sqlite utility-library

Last synced: 14 Apr 2025

https://github.com/questcraftplusplus/pojlib

A Minecraft: Java Edition launcher library partially made with the PojavLauncher base.

java minecraft questcraft

Last synced: 19 Jun 2025

https://github.com/xxDark/ssbus

Supersonic, lightweight event bus

bus event eventbus java lightweight

Last synced: 26 Apr 2026

https://github.com/atleon/atleon

Lightweight infinite reactive stream processing framework

java kafka rabbitmq reactive-streams reactor sns sns-client sqs sqs-client

Last synced: 18 Apr 2026

https://github.com/sourcesense/joyce

Joyce is a highly scalable event-driven Cloud Native Data Hub.

api graphql java json json-schema kafka mongodb rest-api schema swagger

Last synced: 14 Apr 2025

https://github.com/strykeforce/thirdcoast

Third Coast swerve drive and telemetry API for FRC robots

frc java swerve-drive

Last synced: 14 Mar 2026

https://github.com/rieckpil/getting-started-with-microprofile

:orange_book: Everything you need to know about MicroProfile

eclipse-microprofile java maven microprofile open-liberty

Last synced: 03 Mar 2026