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/ivanocj/ktello

A wrapper for DJI / Ryzetech Tello SDK using Kotlin

drone fun java kotlin tello

Last synced: 06 May 2025

https://github.com/codeintrovert/90daysofdsa

A Series of #90DaysLeetCodeChallenge where I solve 90 leetcode problems in 90 Days!

data-structures dsa github github-copilot java learn leetcode leetcode-java leetcode-solutions student-vscode

Last synced: 17 Jul 2025

https://github.com/skullabs/kos

Zero-overhead and minimalist web framework for Vert.x

java kotlin microservice vertx

Last synced: 21 Jun 2025

https://github.com/wx-chevalier/reinvent-mq

Multiple home-made Message Queues from Scratch, OMMQ(akin RocketMQ), PongoMQ(akin Kafka), CubeMQ(akin TubeMQ)etc.

go java wx-be wx-code wx-go wx-java

Last synced: 17 Jun 2025

https://github.com/kanlon/cfile

在线收集文件的项目,不用再让每个人发邮箱到收集人那里

bootstrap java mybatis springboot

Last synced: 05 Apr 2025

https://github.com/teenbiscuits/pasame-codigo

Pásame el Código es una web open source con apuntes y ejercicios resueltos de las diferentes asignaturas que componen el Grado de Enxeñería Informática da Universidade da Coruña.

apuntes astro c cc-by-nc ds ejercicios fic gei git gplv3 java ocaml pp pro1 pro2 pro2324 tailwindcss udc universidad

Last synced: 14 Aug 2025

https://github.com/asahaf/javacron

java library for parsing crontab expressions and calculating the next run time

cron cron-expression cronjob crontab java parser

Last synced: 11 Jan 2026

https://github.com/rubrica/rubrica

Libreria para Firma Digital

java

Last synced: 11 Jan 2026

https://github.com/web3labs/quorum-sample

Sample Token Project for Quorum

blockchain ethereum java java8 quorum web3j

Last synced: 10 May 2025

https://github.com/bartlomiejzuber/rapidmsgconverter

Java app for quick converting .msg files to .pdf files

java msg-converter msg-files pdf-generation

Last synced: 07 May 2025

https://github.com/sschuberth/parandroid

The first demoscene production for the Android platform.

android demoscene java opengl

Last synced: 19 Mar 2025

https://github.com/virgilsecurity/virgil-e3kit-kotlin

E3Kit is a security framework that simplifies work with Virgil services and presents the easiest way to add full end-to-end security to your chat application to become HIPAA and GDPR compliant and more.

e3kit encryption encryption-for-unregistered-users end-to-end-encryption gdpr group-encryption hipaa java kotlin multi-device pki post-quantum-cryptography pqc sdk secure-the-future stream-encryption

Last synced: 09 May 2025

https://github.com/selimhorri/flight-management

Spring Boot app manages flights and their reservations

java jpa jsp spring-boot sql

Last synced: 12 Apr 2025

https://github.com/cmdjulian/kirc

Sync / Coroutines / Reactive Container Registry Client written in Kotlin ready for GraalVM 🐋

coroutines docker fuel java jvm kotlin oci projectreactor reactive registry

Last synced: 07 Apr 2026

https://github.com/lowes/auditor

Solves the audit needs for any JVM based application.

audit audit-log audit-trail auditing java java-audit jvm kafka kotlin reactor spring-boot

Last synced: 13 Apr 2025

https://github.com/eclipse-platform/eclipse.platform.debug

Eclipse Platform Debug functionality

debug eclipse ide java

Last synced: 04 May 2025

https://github.com/tericcabrel/smartcard-with-fingerprint-auth

Stores user information in a smart card and authenticates with the fingerprint stored in the smart card

csharp java javacard rabbitmq sping-boot spring-mvc thymeleaf websocket

Last synced: 14 Jul 2025

https://github.com/apache/maven-studies

Apache Maven Studies

build-management java maven

Last synced: 10 Apr 2025

https://github.com/raptorbox/raptor

Raptor IoT platform

iot java mqtt mqtt-broker raptor

Last synced: 12 Apr 2025

https://github.com/harshitrv/java-programs

List of java programs made during learning java.

awt-gui java jdbc jsp swing swing-gui

Last synced: 10 Apr 2025

https://github.com/yuvalpinter/liveqaserverdemo

Demo server for TREC LiveQA competition

java qa question-answering shared-task trec

Last synced: 17 Mar 2025

https://github.com/apache/activemq-nms-openwire

Mirror of Apache ActiveMQ NMS OpenWire client library

activemq c cplusplus csharp java network-client network-server perl php python ruby

Last synced: 12 Apr 2025

https://github.com/tinycedar/vanilla

用Go开发的实验性质的Java虚拟机(Java Virtual Machine) An experimental Java Virtual Machine written in Go

go golang java jvm

Last synced: 30 Apr 2025

https://github.com/build-on-aws/amazon-bedrock-with-builder-and-command-patterns

A simple, yet powerful implementation in Java that allows developers to write a rather straightforward code to create the API requests for the different foundation models supported by Amazon Bedrock.

amazon bedrock builder-pattern command-pattern foundation-models generative-ai java llm

Last synced: 10 Apr 2025

https://github.com/0x4f53/getperms

An Android wrapper library to quickly get app permissions and other package data.

android android-library apk demo icon java jitpack library localdatetime open-source package-manager packages permissions permissions-android phone security siem signature

Last synced: 01 May 2025

https://github.com/mutasimali/wifi-car-control

arduino - android tcp client - wifi car https://opooq.com

android android-tcp-client arduino controller java wifi wifi-car-control

Last synced: 10 Jan 2026

https://github.com/programandoconro/programming-locker

僕の自学の方法。Mi camino de aprendizaje autodidáctico. My programming self-study road.

api docker etc java javascript linux python raspberry-pi typescript

Last synced: 10 Apr 2025

https://github.com/yhs0602/unzip-corrupt

Unzip ANY zip files that couldn't have been extracted because of corruptions, etc! (In my case for 4 month for a corrupt 2GB zip file)

android android-application corruption file fix java zip

Last synced: 26 Mar 2025

https://github.com/gongoliers/library-of-gongolierium

A simple Java library for FRC to develop more complex programs with less code

first-robotics-competition frc java

Last synced: 24 Oct 2025

https://github.com/mohitjaisal/codingbooks

As you begin your path on becoming a coding specialist it is always pleasant to find good sources of information. Many computer languages might be tricky to learn at the beginning so you need reliable references to double-check your mistakes and learn how to not make them again.

books c coding coding-interview codingbooks cpp hacktober hacktoberfest hacktoberfest-accepted hacktoberfest2021 java python

Last synced: 12 Oct 2025

https://github.com/robert076/ubb-computer-science

The courses I took at UBB during my Bachelor's in Computer Science. A collection of my assignments, exams, projects, labs, lecture notes, and preparation materials for them, including extra work.

assembly cpp java lisp prolog python ubb ubb-cluj ubb-computer-science ubb-fmi

Last synced: 09 Oct 2025

https://github.com/thibaudcolas/d4

D4 is a Datalift module to visualize RDF DataCube data. Built with Bootstrap, D3 and CoffeeScript.

d3 datacube datalift java rdf sparql

Last synced: 12 Oct 2025

https://github.com/cassiomolin/tasks-rest-api

Sample REST API for managing tasks using Spring Boot, Jersey, Jackson, MapStruct, Hibernate Validator and REST Assured.

hibernate-validator jackson java jersey mapstruct postman rest rest-api rest-assured spring spring-boot

Last synced: 15 Mar 2026

https://github.com/mindgamesnl/fireio

The simple fast, simple and sexy cross platform networking framework

async framework java javascript networking rest socket

Last synced: 26 Oct 2025

https://github.com/usnistgov/metaschema-java

Java tools and libraries providing a Metaschema toolchain

code-generation data-binding java json maven maven-plugin metaschema modeling parser-library xml yaml

Last synced: 26 Oct 2025

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

Xendit REST API Client for Java - Card, Virtual Account, Invoice, Disbursement, Recurring Payments, Payout, EWallet, Balance, Retail Outlets Services

balance card disbursement ewallet hacktoberfest invoice java payment payment-gateway payout recurring-payments retail-outlet virtual-account xendit

Last synced: 01 Feb 2026

https://github.com/therealayce/ubisoftconnect-win7fix

This is a proxy application to fix Ubisoft's channel-service not supporting any cipher suites for Windows 7, so that chat, groups and multiplayer invites work again.

chat csharp groups invite java multiplayer tls tls12 ubisoft-connect uplay windows-7

Last synced: 27 Oct 2025

https://github.com/ghost-chu/simplereloadlib

Simple but useful generic reload library for Java projects.

java libraries reload simple

Last synced: 15 Mar 2026

https://github.com/PhilippHeuer/credential-manager

Java - OAuth2 Credential Manager

credentialmanager java oidc-client

Last synced: 14 May 2025

https://github.com/yedhink/KTU-Java

Learn Java easily. A collection of simple programs primarily focusing on the KTU syllabus for Java

awt java javafx-application jdk9 ktu learn-java simple-programs swing-gui

Last synced: 14 May 2025

https://github.com/anfractuosity/lsd

A Java port of the Line Segment Detector algorithm

java line-segmentation lsd segment-detector-algorithm

Last synced: 13 May 2025

https://github.com/artipie/composer-adapter

PHP Composer Adapter for Artipie

composer java php

Last synced: 13 May 2025

https://github.com/jethronap/jstat

A Java Library for Statistics, Data Analysis and Visualization.

classification data-analysis gradient-descent java linear-regression statistics

Last synced: 21 Jun 2025

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

Apache Sling Engine Implementation

java sling

Last synced: 06 Apr 2025

https://github.com/ivstiv/pixelart-converter

This project aims to recreate pixel arts as close as possible to a given image but with a limited color palette. In this case it is working with the color palette of the Drednot's Colored Panel but technically it should not have any issues to work with any other palette given it is in the right json format.

converter dredark drednot java javafx pixelart

Last synced: 13 May 2025

https://github.com/louisdh/java-class-quick-look

Quick Look plugin to display Java class files as bytecode

bytecode java macos quicklook-plugin

Last synced: 13 May 2025

https://github.com/valery1707/kaitai-maven-plugin

Maven plugin for Kaitai: declarative language to generate binary data parsers

java kaitai kaitai-struct maven-plugin

Last synced: 14 Jul 2025

https://github.com/harshkapadia2/jdbc_librarymanagementsystem

A JDBC project using Netbeans IDE (Java) and MySQL.

java jdbc mysql netbeans

Last synced: 21 Apr 2025

https://github.com/jourquin/nodus

Transportation network modeling software designed for multimodal and intermodal freight transport

assignment gis intermodal-freight-transport java modal-choice multimodal-freight-transport network-models networks nodus

Last synced: 26 Jan 2026

https://github.com/zhangyingwei/cockroach2

java 爬虫框架 cockroach 完全重构

cockroach java spider

Last synced: 07 May 2025

https://github.com/skjolber/java-jwt-benchmark

Project for benchmarking popular Json Web Token (JWT) frameworks for Java using JMH.

benchmark gradle java java-jwt jjwt jmh jwt okta-oidc

Last synced: 22 Apr 2025

https://github.com/tokenmill/fast-url-access-checker

Easily run HTTP GET requests against a list of URLs to check their HTTP status.

clojure http-redirect http-status java url-checker url-cleaning

Last synced: 22 Apr 2025

https://github.com/mightypirates/bedrockores

A minecraft mod that adds ore clusters embedded in bedrock, and a machine to extract them automatically.

forge java minecraft mod

Last synced: 03 Jul 2025

https://github.com/nikialeksey/porflavor

PorFlavor - is the gradle plugin for extending android productFlavors

android androidflavors gradle gradle-plugin java productflavors

Last synced: 02 Sep 2025

https://github.com/meesho/excel-pojo-mapper

Excel-Pojo-Mapper is a library to map data kept in excel to list of java objects without writing boilerplate code to read excel & set values for object fields.

apache-poi converter epmapper java mapping mapping-tools microsoft-excel poi pojo

Last synced: 26 Apr 2026

https://github.com/openzipkin/brave-cassandra

Tracing instrumentation for Cassandra and the DataStax Java Driver

cassandra distributed-tracing instrumentation java openzipkin tracing zipkin zipkin-brave

Last synced: 04 Jun 2026

https://github.com/javiorfo/java-spring3-microservice

Clean architecture, Java 21, Spring Boot 3, Postgres, Tracing, Logging and Keycloak

auditory hexagonal-architecture hibernate-jpa java java-21 keycloak microservice spring-boot spring-security springboot3

Last synced: 01 Sep 2025

https://github.com/marthym/baywatch

Follow your favorite news letters and keep an 👀 on the latest technologies news.

feed-reader java rss springboot vue3

Last synced: 15 May 2025

https://github.com/willemjiang/smart-park-demo

The demo repo of smark park usecase

camel cozmo java

Last synced: 15 Apr 2025

https://github.com/sonatype/package-url-java

Java Package URL implementation

java labs package-url

Last synced: 23 Apr 2025

https://github.com/paritytrading/foundation

Utility library for network protocols on the JVM

java networking

Last synced: 16 Jul 2025

https://github.com/piomin/sample-nomad-java-services

sample spring applications that are deployed on Hashicorp's Nomad and and communication with each other using Consul disocvery and Spring Cloud Consul client

consul java microservices nomad service-discovery spring-boot spring-cloud spring-cloud-consul

Last synced: 17 Mar 2025

https://github.com/cucumber/gherkin-utils

API for working with Gherkin documents

java javascript polyglot-release tidelift

Last synced: 07 Apr 2025

https://github.com/anein/java-programming-solving-problems-with-software

Modules of Coursera Course "Java Programming: Solving Problems with Software"

coursera coursera-course java java-programming

Last synced: 12 Apr 2025

https://github.com/sap/ai-sdk-java

Integrate chat completion into your business applications with SAP Cloud SDK for AI. Leverage the Generative AI Hub of SAP AI Core to make use of templating, grounding, data masking, content filtering and more. Access all features of SAP AI Core with the SAP Cloud SDK for AI.

ai chat gen-ai java sap-ai-core

Last synced: 20 Feb 2026

https://github.com/nsiatras/pdf-compressor

PDF File Compression Software

compression ghostscript java pdf

Last synced: 13 May 2025

https://github.com/xpinjection/java8-extensions

Code samples demonstrating benefits of some Java 8 extensions and libraries

java java-8 java-streams java8-learning java8-study javaslang jool streamex vavr

Last synced: 15 Apr 2025

https://github.com/bulletdev/arremate-certo

Bidding(licitação) and waiver automation

java licitacao saas

Last synced: 15 Apr 2025

https://github.com/twelvet-projects/netty-websocket-spring-boot-starter

(Based on Netty's WebSocket)基于Netty作为底层实现的Spring Boot Starter轻量级、高性能WebSocket框架,支持多端口,多路径,SSL,jdk >= 1.8 (兼容Spring Boot 3)

java netty spring-boot websocket

Last synced: 14 Apr 2025

https://github.com/zhoushengsheng/ci6226-ira-g14

Assignment for CI6226 Information Retrieval & Analysis at NTU in Singapore.

java lucene search-engine spring-boot

Last synced: 16 Jan 2026

https://github.com/digitalheir/java-nfa

🌁 Nondeterministic Finite State Automata for Java (in plain English: flowcharts with multiple possible outcomes)

finite-state-automaton finite-state-machine fsa java nfa non-deterministic transducer

Last synced: 11 Jan 2026

https://github.com/vzurauskas/nereides-jackson

Object oriented JSON library wrapper for Jackson.

jackson java json library maven nereid

Last synced: 13 Oct 2025

https://github.com/jhg023/bitbuffer

A data type similar to ByteBuffer, but can read/write bits as well as bytes to improve throughput and allow for optional compression.

bitbuffer bits bitwise bitwise-arithmetic bitwise-operators buffer bytebuffer java java-11

Last synced: 10 Apr 2025

https://github.com/eurohlam/rss2kindle

Java Web application that provides a service for scheduled polling RSS feeds and sending them by email as Kindle books in mobi format. It uses Apache Camel, Spring MVC, Jersey RESTful Web Service, Bootstrap, JQuery, Tomcat, Docker, Mongo DB and Amazon kindlegen

ansible bootstrap4 camel docker java jersey-framework jquery kindlegen mobi-format mongodb rss spring-mvc spring-security tomcat

Last synced: 09 Apr 2025

https://github.com/teogramm/oasth

A library offering access to the OASTH API.

bus java kotlin oasth thessaloniki transit

Last synced: 14 Jan 2026

https://github.com/papermc/asm-utils

Library for redirecting Java bytecode & reflection calls using ASM

asm java reflection

Last synced: 26 Apr 2025

https://github.com/mrjameshamilton/bf

An optimizing brainf*ck compiler with multiple target backends: JVM, smali, dex, C, LLVM IR, ARM, WASM, JavaScript and Lox.

arm assembly brainfuck bytecode compiler java javascript jvm jvm-bytecode jvm-language kotlin language llvm llvm-ir lox smali wasm

Last synced: 09 Apr 2025

https://github.com/tankerhq/sdk-android

Tanker client-side encryption SDK for Android

android cryptography encryption end-to-end java kotlin privacy sdk security tanker

Last synced: 09 Apr 2025

https://github.com/explore-de/rage4j

Evaluate your LLM based Java Apps

ai evaluation java junit langchain4j llm testing

Last synced: 29 May 2026

https://github.com/dhi13man/spring-multi-data-source

To mitigate Spring's limitations with multiple data sources in a single service, this library provides two custom Java annotations that automatically generate all the required bean definition configurations, and package-segregated repositories, for each data source.

annotation-processor annotations database java maven spring spring-boot

Last synced: 14 Apr 2025

https://github.com/shubh2-0/jdbc-practice

🔍 Dive into JDBC practice with two projects: Student Management Application and Student Management Application with DAO Pattern. Learn CRUD operations, DAO layer abstraction, code organization, and extensibility. Clone, configure, and contribute to level up your JDBC skills. Let's explore the world of database interaction! 🚀👩‍💻📚

api database java jdbc jdbc-driver mysql

Last synced: 23 Apr 2025

https://github.com/epicestudar/poo-2semestre-2023-senai

repository intended for object-oriented programming of the Senai DEV course.

awt backend gui java layouts poo projects swing

Last synced: 28 Apr 2025