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/lemire/sparsebitmap

A simple sparse bitmap implementation in java

bitset compression java

Last synced: 30 Jul 2025

https://github.com/amrdeveloper/tank

Dynamic type Object oriented and scripting language written in Java

interpreter java lox lox-interpreter lox-language oop-languages programming-language scripting-language

Last synced: 12 Apr 2025

https://github.com/docusign/code-examples-java

Docusign Java Code Examples and Launcher

click-api docusign esignature java launcher rooms-api webforms-api

Last synced: 10 Oct 2025

https://github.com/viralvaghela/telegram-bot-array-index-out-of-bound

This Bot will provide you with a variety of features, including programming quotes, jokes, random jokes, and real-time global Covid-19 data. Additionally, it offers a wide range of resources such as books, videos, and tutorials to assist you in learning programming.

bot java java-spring-boot javabot random-jokes telegram-bot telegram-bot-array telegram-bots telegram-jav telegram-java-api

Last synced: 09 Oct 2025

https://github.com/twostack/bitcoin4j

Bitcoin SV Library for Java

bitcoin blockchain bsv hacktoberfest java

Last synced: 14 Jan 2026

https://github.com/skapral/puzzlerbot

PDD manager which manages puzzles in issue/PR comments

github gitlab grizzly java jax-rs jersey oo-atom pdd-puzzles

Last synced: 11 Jul 2025

https://github.com/Vorlonsoft/GradleMavenPush

Helper to upload Gradle Android Artifacts, Gradle Java Artifacts and Gradle Kotlin Artifacts to Maven repositories (JCenter, Maven Central, Corporate staging/snapshot servers and local Maven repositories).

aar aar-library android android-library artifact artifacts gradle gradle-build gradle-java jar java java-library jcenter kotlin kotlin-library maven maven-repository mavencentral snapshot staging

Last synced: 21 Nov 2025

https://github.com/charlyjazz/chat-firebase-apache-camel

Chat Message Monorepo Architecture Solution using Kafka, Terraform, GKE, GCP, DockerHub,Kubernetes, Docker, Apache Camel, Python, FastAPI, Cassandra and Firestore, Next JS, React

aggregator apache-camel apache-kafka api-rest architecture-component chat-application docker docker-compose enterprise-architecture fastapi java k8s kubernetes microservices monorepo openapi python react rest swagger

Last synced: 11 Apr 2025

https://github.com/gooid/gocv

Go bindings for OpenCV 3.3+ (full functions, easy to use)

android dnn go golang java ml opencv

Last synced: 17 Jan 2026

https://github.com/zoltan-nz/kafka-spark-project

Distributed System in Docker with Apache Kafka and Spark for big data streaming and visualisation (NodeJS, TypeScript, React, NestJS, Java)

java javascript kafka nodejs spark typescript

Last synced: 03 Jul 2025

https://github.com/rajatt95/TMB_SeleniumFramework2

Automation Testing | Web | Java | OOPS | Selenium WebDriver | TestNG | Maven | ExtentReports | Java mail API | Design Pattern(Page Object Model) | Owner | Data Supplier | Custom Annotations and Enums

datasupplier extentreports java maven page-object-model selenium-webdriver test-automation testng

Last synced: 11 Mar 2025

https://github.com/joel-costigliola/elastic-search-test

ESIntegTestCase example

elasticsearch java test

Last synced: 11 Apr 2025

https://github.com/niesfisch/java-code-tracer

JCT is a call graph generator that works via byte code instrumentation. it records the flow through your application to gather call statistics. It helps to analyze which code is still used in production and which code can be removed (e.g. for big monolithic legacy applications)

bytecode callgraph java javaagent jdk jre jvm legacy profile profiler stack stacktrace tracer tracing

Last synced: 23 Jun 2025

https://github.com/webmakaka/microservices-and-distributed-systems

[Amigoscode, Nelson] Microservices and Distributed Systems [ENG, 2022]

java minikube postgresql spring-boot zipkin

Last synced: 24 Jun 2025

https://github.com/eocode/docker-spark-big-data

Exercises in Spark with Docker and Data Languages

big-data data-science docker java python scala spark

Last synced: 11 Oct 2025

https://github.com/padarom/java-migrations

:page_with_curl: Laravel inspired DBS-independent Database Migrations for Java 8 (work in progress)

database database-migrations java library

Last synced: 13 Apr 2025

https://github.com/abdlquadri/vertx-eventbus-java

A Vert.x EventBus client written in Java, works on Android

android eventbus java vertx

Last synced: 14 May 2025

https://github.com/bkahlert/kommons

Kommons is a set of Kotlin Multiplatform Libraries (MPP) to allow the execution of command lines / scripts, to support print debugging and to ease testing.

command-line java kaomoji kotlin logger logging shellscript time unicode

Last synced: 01 Apr 2026

https://github.com/green-code-initiative/creedengo-java

Reduce the environmental footprint of your Java software programs

ecodesign java sonarqube sonarqube-plugin

Last synced: 05 Mar 2026

https://github.com/oktadev/spring-boot-vue-example

Bootiful Spring Boot + Vue Example

bootiful java spring-boot typescript vue vuejs

Last synced: 05 Mar 2026

https://github.com/m-thirumal/installation_guide

PostgreSQL, PgModeler, TLS, Docker, Let's Encrypt, Nginx, Pgadmin4, Redis, AWS

aws docker docker-compose elk-stack forticlient java jenkins letsencrypt pgadmin4 pgmodeler postgresql spring-boot ubuntu vpn

Last synced: 14 Aug 2025

https://github.com/codiga/jetbrains-plugin

Jetbrains plugin for Codiga. Coding Assistant and Code Analysis in all JetBrains products. Codiga supports more than 10+ languages, try it for free on https://www.codiga.io

c coding-assistant complexity-analysis cpp intellij intellij-plugin intellij-plugins java javascript jetbrains phpstorm phpstorm-plugin pycharm-ide pycharm-plugin python snippets-manager

Last synced: 29 Sep 2025

https://github.com/xxdark/classfile

Java classfile library

bytecode classfile-parser java

Last synced: 10 Aug 2025

https://github.com/corwur/cytoscapeneo4j

Cytoscape plugin for neo4j

cypher-query cytoscape java neo4j plugin

Last synced: 03 Apr 2025

https://github.com/connyduck/pixelwallpaper

A colorful pixelated live wallpaper for Android

android colorful customization java wallpaper xml

Last synced: 10 Oct 2025

https://github.com/dpressel/sgdtk

A Java library for Stochastic Gradient Descent (SGD)

crf java logistic-regression sgd svm

Last synced: 23 Mar 2025

https://github.com/simaxme/java.nvim

A neovim plugin to move and rename java files and do other things.

java neovim neovim-lua-plugin neovim-plugin neovim-plugins

Last synced: 14 Mar 2025

https://github.com/sivaprasadreddy/sivalabs-youtube-code-samples

Sample code for my YouTube video tutorials

java spring-boot video-tutorials youtube

Last synced: 25 Jun 2025

https://github.com/doudoutangs/3.salary_system

github不会经常在线,可加QQ:553039957,详谈。薪资管理系统:是一套简洁薪资管理系统,虽然界面简单,但其功能强大。系统分为了五大模块:考勤与工资,薪资设置,部门管理,公告管理,系统管理。主要技术:Springboot+MyBatisPlus+MySQL+jQury,Layui

java jquery layui mybatis-plus mysql spring-boot

Last synced: 13 May 2025

https://github.com/liyupi/free-algorithm-learning

算法导航,免费的可视化算法学习神器!通过交互式动画带你掌握常见数据结构(二叉树、链表、栈、队列、图)和算法(排序、搜索、动态规划、贪心)。提供保姆级算法学习路线图和详细教程,支持Java、Python、JavaScript、Go、C++等多语言实现。可自定义输入数据,实时观察算法执行过程,配套LeetCode练习题。告别抽象难懂的传统学习方式,完美应对算法面试。从入门到高阶,让算法学习变得简单、直观、有趣!

algorithm algorithms computer-science data-structures dynamic-programming interview-preparation interview-questions java javascript leetcode python sorting-algorithms

Last synced: 07 Oct 2025

https://github.com/praj-foss/swing-graalvm-demo

Swing demo app compiled with GraalVM native-image

graalvm java native-image swing

Last synced: 17 Sep 2025

https://github.com/augustd/burp-suite-utils

Utilities for creating Burp Suite Extensions.

burp burp-api burp-extensions burp-plugin burpsuite java

Last synced: 16 Jan 2026

https://github.com/dadoonet/elasticsearch-java-client-demo

Elasticsearch Client Java Sample project

elasticsearch elasticsearch-client java

Last synced: 14 Apr 2025

https://github.com/ajermakovics/backflow

A dynamic reverse proxy server

java java8 reverse-proxy undertow

Last synced: 13 Apr 2025

https://github.com/openbrms/openbrms

OpenBRMS is a cloud native business rules management system with scripted rules

brms business-rules business-rules-engine java knative quarkus rule-engine

Last synced: 12 Apr 2025

https://github.com/derive4j/derive4j-fj

Automatic derivation of functional-java typeclasse instances and optics

derive4j functional-programming functionaljava java java-8 typeclasses

Last synced: 28 Oct 2025

https://github.com/maxisandoval37/webapp-maxcotas

MAXcota Web App - Spring Boot

java spring-boot spring-security thymeleaf

Last synced: 17 Mar 2025

https://github.com/mageekchiu/chkv

Consistent Hashing based Key-Value Memory Storage

consistenthash java memory storage

Last synced: 14 Oct 2025

https://github.com/warmuuh/flunkydom

personal ai agents for your assistance

ai gpt java openai

Last synced: 09 Oct 2025

https://github.com/danielaraldi/ds-delivery

DS Delivery is a web and mobile delivery application for users who want to register and deliver orders. 🍔 @devsuperior

expo heroku java mapbox netlify npm postgresql react-leaflet react-native react-select react-toastify reactjs spring-boot spring-initializr typescript

Last synced: 07 Oct 2025

https://github.com/florianmichael/dietrichevents2

One of the fastest Java event systems in the world using compiler optimizations, which still has a lot of features

event event-management eventbus events java lambda listener

Last synced: 28 Apr 2025

https://github.com/frc1257/robotics-training

Team 1257's repository for training new members

docsify frc java

Last synced: 24 Oct 2025

https://github.com/auties00/optionless

Desugar optional calls for a null safe type system with no performance hits

java java11 java17 javac-plugin optional

Last synced: 13 Feb 2026

https://github.com/kuliginstepan/dadata-client

Dadata Suggestions API client for Spring (Java)

dadata-api dadata-client java spring

Last synced: 14 Jan 2026

https://github.com/mcourteaux/spooferbt

Relay torrent tracker communication via TCP to bypass a blocked UDP network.

java proxy spoofing torrent tracker tracker-communication tunneling udp udp-traffic

Last synced: 09 Jul 2025

https://github.com/migangqui/cloud-storage-spring-api

Manage files from AWS S3, Google Cloud Storag, Azure Blob Storage and Dropbox in Spring

amazon aws aws-s3 azure azure-storage-blob cloud-storage dropbox google-cloud google-cloud-storage java kotlin s3 s3-bucket spring

Last synced: 15 Aug 2025

https://github.com/jyksnw/install-jdk

install-jdk is a Python library for easily installing the latest OpenJDK for a given major version. Supports builds from Adoptium and Corretto. Simplify your Java development with the latest OpenJDK builds.

adoptium adoptopenjdk cicd-tools corretto devops-tools java openjdk python3

Last synced: 09 Apr 2025

https://github.com/woostju/ssh-client-pool

a java implementation of ssh clients object pool with sshj, apache common pool2, expectIt

interactive java pool ssh-client

Last synced: 14 Jan 2026

https://github.com/apache/ambari-infra

Apache Ambari Infra is a sub project of Apache Ambari.

ambari big-data java javascript python

Last synced: 12 Jun 2025

https://github.com/ngageoint/mgrs-java

Military Grid Reference System Java Library

java mgrs military-grid-reference-system nga

Last synced: 14 Apr 2025

https://github.com/richardhightower/jparse

JParse, the most efficient JSON parser for the JVM yet.

index-overlay java json jsonpath parser

Last synced: 08 Apr 2025

https://github.com/patilshreyas/firestorepagingdemo-android

Demo app for implementation of Firestore Paging library in Android app.

android firebase firebase-firestore firebaseui-android firestore java kotlin kotlin-android paging-library

Last synced: 11 Jul 2025

https://github.com/sadanandpai/dsa-in-js

Solutions to wide range of programs on Data Structures and Algorithms

algorithms datastructures graph java

Last synced: 27 Mar 2025

https://github.com/yegor256/tojos

Text Object Java Objects (TOJOs): an object representation of a multi-line structured text file like CSV, YAML, or JSON

csv file-format java json

Last synced: 25 Apr 2026

https://github.com/freeipcc/freeaicc

AI Call Center,Contact Center,Customer Service System,Колл-центр,Callcenter,Centre d'appels,Centro de llamadas,Centro de atendimento,コールセンター,콜센터,Интеллектуальный колл-центр,Intelligentes Callcenter,Centre d'appels intelligent,Centro de llamadas inteligente,Centro de atendimento inteligente,インテリジェントコールセンター,지능형 콜센터

ai asr call-center callcenter contact-center contactcenter freeaicc freeipcc freeswitch ipcc java llm nlp python rag telephony tts

Last synced: 12 Apr 2025

https://github.com/jaennova/kotlin

Guia para iniciar en la programacion, con el lenguaje de programacion Kotlin, llena de ejemplos, con ejercicios practicos y mas enunciados para seguir practicando.

aprende-a-programar aprende-kotlin aprender-a-codificar aprender-kotlin fundamentos-de-programacion java kotlin learn-kotlin learn-kotlin-lang learn-kotlin-language learn-to-code

Last synced: 18 Jul 2025

https://github.com/adorsys/keystore-management

Generate keys and keystores using fluent-like API instead of dealing with JCA intricacies

fluent-api java java-keystore jca key-generation key-management keystore

Last synced: 13 Apr 2025

https://github.com/griush/galileohack

Born in HackUPC 2024, GNSS Tracker is an Android application that allows to retrieve and analyze data from the different GNSS satellite constelations.

android esa galileo gps java

Last synced: 06 Sep 2025

https://github.com/cyclopsmc/cyclopscore

Minecraft library mod for EvilCraft, Integrated Dynamics and others.

forge hacktoberfest java minecraft

Last synced: 17 Feb 2026

https://github.com/kevalmorabia97/naive-bayes-text-classifier-in-java

Naive Bayes Classification used to classify movie reviews as positive or negative

java machine-learning naive-bayes-classifier text-classification

Last synced: 10 Jul 2025

https://github.com/stastnypremysl/mines3d

Minesweeper on n*m*2 matrix for Android.

android game java minesweeper-style-game

Last synced: 12 Apr 2025

https://github.com/tonikelope/coronapoker

The Texas hold 'em NL videogame we deserve, not the one we need, or was it the opposite?

java linux macos p2p poker texas-holdem windows zero-trust zero-trust-architecture

Last synced: 04 Jul 2026

https://github.com/ayu-hack/hacktoberfest-contributions

This repository helps beginners contribute to open source and participate in Hacktoberfest. We welcome all pull requests (Python & Java), prioritize genuine contributions, and promote good first issues! #hacktoberfest2022 #hacktoberfest2023 #hacktoberfest2024

beginner-friendly dsa hacktoberfest hacktoberfest-accepted hacktoberfest2024 java miniprojects python reactjs webdevelopment

Last synced: 13 Mar 2025

https://github.com/col-e/dex-translator

A translation library for converting between Dalvik and JVM bytecode

android apk bytecode dalvik dex java reverse-engineering

Last synced: 22 Mar 2025

https://github.com/nasa/ziggy

Ziggy, a portable, scalable infrastructure for science data processing pipelines, is the child of the Transiting Exoplanet Survey Satellite (TESS) pipeline and the grandchild of the Kepler Pipeline.

algorithm analysis arc data data-analysis data-reduction java k2 kepler linux macos nasa open-source pipeline science tess ziggy

Last synced: 09 May 2026

https://github.com/dengbocong/algorithm

数据结构算法的整理讲解,含Java/Python版本

acm algorithms cpp data-structures java leetcode oj python

Last synced: 15 Apr 2025

https://github.com/okaeripoland/okaeri-persistence

Object Document Mapping (ODM) library allowing to focus on data instead of the storage layer

h2 java jdbc json mariadb minecraft mongodb mysql odm redis yaml

Last synced: 13 Mar 2026

https://github.com/tkuenneth/android-demos

This repo contains various Android demo apps

android java kotlin-android

Last synced: 14 Apr 2025

https://github.com/chirontt/lwjgl3-helloworld-native

HelloWorld demo for LWJGL 3, compiled to native executable by GraalVM native-image utility.

graalvm-native-image java lwjgl3 opengl

Last synced: 17 Jan 2026

https://github.com/freeandfair/coloradorla

Software to facilitate risk-limiting audits at the state level, developed for the state of Colorado.

audit civic-tech elections government java postgresql python security typescript

Last synced: 04 May 2026

https://github.com/skyzyx/alpine-pandoc

Docker container with Alpine Linux, Pandoc, PlantUML, and Sphinx.

alpine-linux container docker documentation haskell java pandoc plantuml python sphinx

Last synced: 25 Mar 2025

https://github.com/codesqueak/jackson-json-crypto

Jackson Crypto Extension Module

aes encryption jackson java json module

Last synced: 13 Jul 2025

https://github.com/project-openubl/xhandler-java

Java library for creating and sending XML files through SOAP - SUNAT

creditnote debitnote invoice java peru sunat ubl ubl20 ubl21 web-service wsdl wsdl-generation

Last synced: 07 May 2025

https://github.com/fracpete/sizeofag

Determining size of Java objects.

java java-objects memory

Last synced: 22 Apr 2025

https://github.com/albogdano/elasticsearch-river-amazonsqs

[DEPRECATED] Amazon SQS river plugin for ElasticSearch 1.4

deprecated elasticsearch elasticsearch-river java plugin

Last synced: 19 Apr 2025

https://github.com/point85/shift

The Shift library project manages work schedules with teams and shift rotations.

java shift shift-calendar work-calendar work-schedule

Last synced: 23 Apr 2025

https://github.com/f-lab-edu/fkream

리셀 중고 거래 플랫폼인 KREAM을 모티브로 한 프로젝트

java mybatis mysql redis springboot

Last synced: 23 Apr 2025

https://github.com/phiwa/dragontravel

A plugin for the Minecraft-servermods "Bukkit" and "Spigot".

bukkit bukkit-plugin contributions-welcome craftbukkit help-wanted java minecraft plugin spigot spigot-plugin

Last synced: 09 Sep 2025

https://github.com/miho/vmf

VMF is a Lightweight Modeling Framework for the Java Platform (works on JDK 11-22)

gradle java modeling modeling-infrastructure

Last synced: 17 Aug 2025

https://github.com/saiupadhyayula/java-sftpserver

A simple SFTP Server implemented using Apache Mina SSHD library using Java and Spring boot

java java-sftpserver sftp-server

Last synced: 25 Jul 2025