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/vinhkhuc/lbfgs4j

Java version of liblbfgs: http://www.chokkan.org/software/liblbfgs/

java machine-learning optimization

Last synced: 29 Jan 2026

https://github.com/mjfryc/mjaron-tinyloki-java

Tiny Grafana Loki client (log sender) written in pure Java 1.8 without any dependencies.

android android-library grafana grafana-loki java java-8 java-android java-se java8 library logger logging logs loki

Last synced: 26 Oct 2025

https://github.com/manojkumarpatnaik/sr.softwareengineerinterviewprep

Java programming. All in one Java Resource for learning. Updated every day and up to date. All Algorithms and DS along with Development in Java. Beginner to Advanced.

faang-interview interview interview-preparation interview-questions java java-8 maang microservice rest rest-api spring spring-boot

Last synced: 26 Oct 2025

https://github.com/han-yaeger/yaeger

Yaeger is Another Education Game Engine Runtime

2d-game-engine clean-code engine framework game guice java java-14 javafx oop-principles

Last synced: 26 Oct 2025

https://github.com/iandarwin/date4j

Code for date4j.net's simple date API, with a POM file, for upload to Maven Central.

date-calculations date-formatting date-time java

Last synced: 12 Oct 2025

https://github.com/b2renger/introduction_processing

This respository is a french introduction to the Processing programming language

java processing

Last synced: 13 May 2025

https://github.com/patrickfav/dice

A cryptographically secure pseudorandom number generator cli tool printing in a wide variety of byte encodings (hex, base64,..) and for many programming languages (c, java, c#, php, etc.) using NIST SP800-90Ar1 HMAC-DRBG. Supports external seeding from various true random services.

base32 base36 base64 base85 cli encoding entropy-source hex hmac-drbg hotbits java nist octal prng random-number-generators seed sp800-90a text-encodings

Last synced: 09 Apr 2025

https://github.com/nicennnnnnnlee/ninjav4

我的百宝箱 - 微信计步作弊/远程监控家里WiFi/录制直播/QQ复读机器人/斗鱼日常养粉丝牌

dalvik java

Last synced: 29 Aug 2025

https://github.com/apache/sling-org-apache-sling-scripting-sightly

Apache Sling Scripting HTL Engine

java sling

Last synced: 07 Apr 2025

https://github.com/depromeet/14th-team4-be

디프만 14기 4팀 백엔드 레포입니다

backend java spring

Last synced: 19 Apr 2025

https://github.com/darthmoomancer/polydev

THE project manager for neovim

c cpp html java lua neovim-plugin python rust

Last synced: 02 Sep 2025

https://github.com/depromeet/3dollars-in-my-pocket-server

가슴속3천원 - 나와 가까운 붕어빵 앱의 서버 코드입니다.

java jpa spring

Last synced: 28 Aug 2025

https://github.com/supabase-community/storage-java

A Java client library for the Supabase Storage API

java supabase supabase-storage

Last synced: 14 Apr 2025

https://github.com/tfkfan/orbital

A blueprint adapting VertX to distributed game server

event-loop game gamedev gameserver high-performance java matchmaker netty nio non-blocking reactive room vertx

Last synced: 16 May 2025

https://github.com/hellokoding/single-sign-on-out-jwt-cookie-redis-java-springboot-freemarker

Single Sign Out, Scalable Authentication Example with JSON Web Token (JWT), Spring Boot and Redis

architecture authentication cookie freemarker java jwt redis scale single-sign-on single-sign-out spring-boot sso

Last synced: 13 May 2025

https://github.com/aweiloveandroid/aui

AUI是一个快速开发UI组件集合,帮助大家快速实现常用UI效果,用原生控件实现ios同样的UI效果,告别rn,weex等之类框架,提升开发效率。

android android-ui aui ios java java-android

Last synced: 12 May 2025

https://github.com/princesslana/eriscasper.java

Java library for making Discord bots

discord discord-api java rxjava2

Last synced: 28 Apr 2025

https://github.com/hardiksinghbehl/otp-generation-validation-spring-boot-poc

Proof Of Concept showing OTP generation and validation technique using Java Spring-boot and LoadingCache Bean from google guava library to handle user's forgot-password flow

guava-cache java otp-generator otp-verification spring-boot

Last synced: 09 Apr 2025

https://github.com/netpyoung/pt.c-interop-in-clojure

https://youtu.be/40cvevHg0J8

clojure ffi interop java

Last synced: 19 Mar 2025

https://github.com/thecurle/purpuri

The Purple VM, a custom JVM in C++.

cpp interpreter java jvm stack-based

Last synced: 11 Jun 2025

https://github.com/malekkamel/actionsheet

ActionSheet is an Android clone of iOS action sheet component, completely typical to iOS7 style.

actionsheet android bottomsheet ios ios7 java jitpack kotlin mobile os programming sheet

Last synced: 22 Apr 2025

https://github.com/fcannizzaro/fast-event

Simple event creation

android-library annotations events java

Last synced: 24 Apr 2025

https://github.com/apache/sling-org-apache-sling-api

Apache Sling API

java sling

Last synced: 05 Apr 2025

https://github.com/jlokitha/library-management-system

A Java and JavaFX Library Management System for efficient book borrowing, member management, transaction tracking, and seamless administrative operations.

hibernate java javafx library-management library-system member-management mysql transaction-tracking

Last synced: 30 Apr 2025

https://github.com/ziccardi/jnrpe

The jnrpe package repository

java monitoring nagios plugin

Last synced: 21 Mar 2025

https://github.com/forget-the-bright/j

Java Version Manager

go java java-version-manager jvm

Last synced: 11 Jan 2026

https://github.com/opennms/opennms-integration-api

A stable Java API for interfacing with and extending OpenNMS

api java monitoring oia opennms

Last synced: 14 Apr 2025

https://github.com/yegor256/xsline

Declarative and Immutable Java Chain of XSL Transformations

java oop xml xsl xslt

Last synced: 07 Mar 2026

https://github.com/mattsse/plcopen-xml-xcore

The PlcOpen Xml Standard implemented as Xcore model and with full gradle and maven support

ecore emf java plcopen xcore

Last synced: 07 May 2025

https://github.com/sap-samples/security-research-taintgraphs

A tool to extract tainted code graphs from C/C++ and Java source code.

code extractor graphs java kotlin sample taintgraphs

Last synced: 13 Apr 2025

https://github.com/seahrh/liftoo

Object-oriented design of a lift system

command-pattern java

Last synced: 11 Apr 2025

https://github.com/samouraidev/bip47_rpc

BIP47 reusable payment codes

bip47 bitcoin bitcoinj java payment-codes

Last synced: 28 Oct 2025

https://github.com/taki0112/word2vecjava

Word2Vec In Java (2013 google word2vec opensource)

java word2vec

Last synced: 09 Apr 2025

https://github.com/libreoffice/unohelper

Simple, no overhead Java wrapper for the LibreOffice UNO API

java libreoffice libreoffice-api uno-api

Last synced: 12 Jun 2025

https://github.com/gredler/aegis4j

A Java agent that disables platform features you don't use, before an attacker uses them against you.

devsecops java java-agent security

Last synced: 14 Jan 2026

https://github.com/darvid7/forkme-mobile

FIT3027 Android-iOS Project: A Trending :chart_with_upwards_trend: Github Repository Viewer :octocat: (wip)

android github java repositories trending

Last synced: 25 Mar 2025

https://github.com/xjjdog/okmind

【全】【精校】思维导图,配套详解。markdown编写即可发布,可导出图片,可在线预览

java linux map markdown markmap mind mindmap okmind python xmind

Last synced: 24 Apr 2025

https://github.com/jdegand/testdome-java-questions

My solutions to Test Dome Public Java Questions

android java java-hibernate selenium spring testdome testdome-solutions

Last synced: 22 Feb 2026

https://github.com/viascom/hipchat-api

Java implementation for the HipChat V2 API.

atlassian hipchat hipchat-api java maven pom

Last synced: 14 Jan 2026

https://github.com/sylvainhalle/mrsim

A simple MapReduce framework in Java

hadoop java mapreduce tuples

Last synced: 29 Oct 2025

https://github.com/koutto/java-binary-deserializer

Java Binary data Deserializer/Serializer - Convert serialized Java Objects into readable XML

binary-data deserialization java object pentest

Last synced: 23 Apr 2025

https://github.com/java-operator-sdk/jenvtest

Kubernetes Integration Test Support for Java. Moved to fabric8 client: https://github.com/fabric8io/kubernetes-client/blob/main/doc/kube-api-test.md

java kubernetes

Last synced: 14 Jan 2026

https://github.com/cybnity/foundation

Open source cyber-serenity platform that help the security teams designing and managing companies' ISMS, and which allow them to create resilient digital systems with efficient responses against to cyber-threats.

cyber-security cybersecurity governance isms iso27001 java nist platform software

Last synced: 09 Apr 2025

https://github.com/ribasco/ucgdisplay

A character/graphics lcd library for single board computers (e.g. Raspberry Pi) written in Java. Provides drivers for graphics monochrome display devices (lcd, oled, e-ink etc) powered by U8g2

8-bit arm display e-ink embedded-systems glcd graphics hd44780 i2c iot java lcd library oled parallel raspberry-pi single-board-computers spi u8g2

Last synced: 14 Jan 2026

https://github.com/apache/plc4x-extras

PLC4X The Industrial IoT adapter

c go java net python

Last synced: 09 Apr 2025

https://github.com/shubh2-0/chatterbox

This repository contains a project focused on learning WebSockets. Explore real-time communication using Spring Boot and WebSockets. Experience instant messaging, group chat, and seamless collaboration. Enhance your skills in building interactive web applications with this hands-on project.

chatapplicationdemo css eclipse html java javascript lombok netlify real-time-app spring-boot springwebsocket vscode websocket

Last synced: 24 Jul 2025

https://github.com/LinguaRobot/aws-cdk-maven-plugin

Define and deploy CDK applications using Java and Maven

aws aws-cdk cdk java maven maven-plugin

Last synced: 30 Mar 2025

https://github.com/yashk2000/hand-detection

Android application which uses Mediapipe to detect hands in a live stream from a phone camera📱

aar android android-application detect-hands handdetection java mediapipe phone-camera

Last synced: 23 Mar 2025

https://github.com/thiago-cardoso/olxapp

Development of clone OLX using Java Android

android java

Last synced: 24 Jun 2025

https://github.com/jgperrin/net.jgp.books.spark.ch13

Spark in Action, 2nd edition - chapter 13 - Transforming documents

apache-spark java java8 manning spark sparkwithjava

Last synced: 06 May 2025

https://github.com/wiringbits/fingerprint-reader-daemon

A daemon service allowing web apps to read fingerprints from biometric devices using the Neurotechnology SDK

fingerprint-scanner hacktoberfest java neurotechnology webapp

Last synced: 11 Jul 2025

https://github.com/xyzsd/fluent

A Java implementation of the Mozilla Project Fluent localization system

fluent ftl globalization i18n internationalization java l10n localization plural

Last synced: 14 Jul 2025

https://github.com/qi7chen/tabugen

一个表格配置导出和源码生成工具

cplus csharp excel-export golang java python

Last synced: 12 Jan 2026

https://github.com/mendhak/conscrypt-provider

Conscrypt Provider app, which can be included from other applications (WIP)

android f-droid fdroid java tls13

Last synced: 18 Mar 2025

https://github.com/adambien/aws-cdk-plain

Slightly Streamlined AWS Cloud Development Kit (CDK) Boilerplate for Java

aws cdk cloud java template

Last synced: 29 Jul 2025

https://github.com/capa-cloud/capa-java

Mecha SDK of Cloud Application Api. Let the code achieve "write once, run anywhere". With the help of the Capa project, your Java applications have the ability to run across clouds and hybrid clouds with small changes.

aws cloudnative dapr java mecha multi-runtime

Last synced: 16 Jan 2026

https://github.com/hzlmn/simple-java-crud-app

University java-swing project

crud example java simple

Last synced: 31 Jul 2025

https://github.com/oldcorvus/simple-html-editor

Simple HTML and Text editor

htmleditor java javafx mvc-architecture

Last synced: 09 Mar 2026

https://github.com/antikmozib/slimview

A fast image viewer for Windows, macOS and Linux.

cross-platform desktop-app image-viewer java javafx

Last synced: 29 Jul 2025

https://github.com/schubergphilis/tableau-confluence-plugin

Plugin for confluence to show Tableau graphs within Confluence

confluence embed-tableau-reports hacktoberfest java

Last synced: 31 Jul 2025

https://github.com/tellsea/spring-cloud-netflix-learn

💕分布式微服务基础架构,采用官网最新版本进行整合,涉及主要模块:SpringCloud-Greenwich.RELEASE,Eureka,Hystrix,Ribbon,Zuul,Zipkin,Feign,Config,Swagger2,SpringBoot Admin监控等

java springboot-admin springcloud springcloud-config springcloud-eureka springcloud-hystrix springcloud-ribbon springcloud-zipkin springcloud-zuul

Last synced: 28 Jul 2025

https://github.com/ivianuu/dusty

[DEPRECATED] Dusty - Clean up your classes with ease

android annotationprocessor cleaning cleanup fragment java

Last synced: 14 Apr 2025

https://github.com/windysha/andfixproject

use three method to accomplish the java method fix

andfix android hotfix java sophix

Last synced: 17 Oct 2025

https://github.com/rwth-acis/rest-ocd-services

This repository contains the OCD service of WebOCD. In the repository, java based codes of overlapping community detection algorithms (OCDA) can be found.

community-detection java las2peer ocda overlapping-community-detection rest-ocd-services webocd

Last synced: 16 Oct 2025

https://github.com/anatomiakodu/java-od-zera

Nauka języka Java od kompletnych podstaw! Nie musisz umieć niczego by zacząć. W tym projekcie wyłumaczę Ci dokładnie podstawową składnię Javy. Poruszymy takie tematy jak: kolekcje, warunki logiczne, operacje na tekście, wyjątki i wiele innych!

git intellij-idea java nauka podstawy podstawyprogramowania

Last synced: 23 Oct 2025

https://github.com/alehatsman/lambada

Use AWS Lambda in Clojure way.

aws-lambda clojure java

Last synced: 12 Dec 2025

https://github.com/valb3r/gtc-all-repo

Spring Boot cryptocurrency trading bot

bitcoin cryptocurrency java microservices spring-boot trading-bot

Last synced: 23 Jan 2026

https://github.com/apache/logging-log4j-tools

Tools internally used by the Apache Log4j project

apache java log4j log4j2 logging

Last synced: 19 Oct 2025

https://github.com/hyperledger-labs/hlf-connector

Integrate with Hyperledger Fabric using REST and Kafka with Block and Chaincode Event emitter.

blockchain connector hacktoberfest hacktoberfest-accepted hyperledger hyperledger-fabric java kafka rest-api

Last synced: 24 Oct 2025

https://github.com/pct960/competitive_programming

A handy collection of implemented data structures and algorithms for competitive coding contests

algorithm-challenges algorithms algorithms-implemented competitive-programming data-structures java

Last synced: 19 Oct 2025

https://github.com/opcoach/genmodeladdon

An EMF addon to generate a source structure to separate the model generated code from the overriden code

eclipse-plugin eclipse-rcp eclipse4 emf emf-addon java model-driven-development modeling xtend

Last synced: 17 Oct 2025

https://github.com/me4502/racquel

A collection of Minecraft cheats built to train an up-and-coming Minecraft AntiCheat

anticheat fabricmc game-cheating java minecraft

Last synced: 15 Mar 2026

https://github.com/undera/jmeter-plugins-manager

Plugins Manager for Apache JMeter

java jmeter jmeter-plugin

Last synced: 11 Apr 2025

https://github.com/casid/mazebert-simulation

Simulation core of the game Mazebert TD

deterministic java simulation tower-defense

Last synced: 18 Mar 2025

https://github.com/turbanoff/j2me-2048

Port 2048 game to J2ME platform

game j2me-platform java phone-app

Last synced: 18 Mar 2025

https://github.com/ohjurot/scriptingguide

Guide to C++ Scripting in Java, C#, Lua, Python and Angelscript (YouTube Series)

angelscript cpp csharp java java-8 lua python script scripting tutorial youtube

Last synced: 18 Mar 2025

https://github.com/hrbrmstr/jericho

:notebook_with_decorative_cover: Extract plain or structured text from HTML content in R

java r r-cyber rstats

Last synced: 29 Oct 2025

https://github.com/robertdebock/ansible-role-java

Install and configure java on your system.

alternatives ansible java jdk jre molecule openjdk oracle playbook system tox

Last synced: 10 Apr 2025

https://github.com/diemol/frontend_testing

Repository containing sample code used in a Frontend Testing workshop

fluentlenium frontend-testing-workshop frontend-tests java javascript selenium selenium-webdriver webdriverio zalenium

Last synced: 18 Mar 2025

https://github.com/dropwizard/dropwizard-web

Provides support for configuring various http headers that are important for web services.

cors csp dropwizard hacktoberfest headers hsts java xss

Last synced: 04 Apr 2025

https://github.com/farmdawgnation/kafka-hawk

An application that records stats about consumer group offset commits and reports them as prometheus metrics

java java11 kafka

Last synced: 10 Apr 2025

https://github.com/stephenott/taxii-springboot-bpmn

SpringBoot implementation of TAXII server backed with BPMN configuration

bpmn camunda java springboot taxii taxii-server

Last synced: 17 Mar 2025

https://github.com/rameshmf/core-java-developers-guide

Core Java guide to Java beginners and experienced professionals

developer-guide java java-8

Last synced: 03 May 2025

https://github.com/zj-dreamly/my-program-learning

我的编程学习之路,包括了design pattern,data structure,java8,java io,java concurrent,guava,spring,spring boot,spring cloud,js,vue

concurrent data-structures design guava io java java8 pattern spring spring-boot springcloud springmvc

Last synced: 30 Apr 2025

https://github.com/hardiksinghbehl/quartz-scheduler-daily-mail-subscription-spring-boot

Daily mail subscription implementation using Java Spring-boot and Quartz Scheduler

java java-mail mail-subscriber quartz-scheduler spring-boot

Last synced: 29 Oct 2025