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Java

378 projects

Showing 36 of 378 projects

OpenAI-Java
OpenAI-JavaJava

A Java client library for OpenAI's GPT APIs, including GPT-3, ChatGPT, and GPT-4.

#gpt-3#java-client#openai
Stars4.8k
Forks1.2k
Last commit1 year ago
JSON-java
JSON-javaJava

A reference implementation of a JSON package in Java for parsing, generating, and converting JSON documents.

#parsing#hacktoberfest#java-library
Stars4.7k
Forks2.6k
Last commit29 days ago
JavaCPP
JavaCPPJava

A Java library providing efficient, zero-overhead access to native C++ code using JNI and annotations.

#java-native-interface#javacpp#performance-optimization
Stars4.7k
Forks596
Last commit1 month ago
JDA
JDAJava

A Java library for building Discord bots using the real-time gateway and REST API with event-driven architecture.

#event-driven#slash-commands#rest
Stars4.7k
Forks765
Last commit7 days ago
JDA
JDAJava

A Java wrapper for the Discord API, enabling developers to create scalable and feature-rich Discord bots.

#slash-commands#rest#java-library
Stars4.7k
Forks765
Last commit7 days ago
Simplify Android deobfuscator
Simplify Android deobfuscatorJava

A generic Android deobfuscator that uses virtual execution to simplify obfuscated code for human analysis.

#dalvik#security-analysis#apk-analysis
Stars4.6k
Forks454
Last commit4 years ago
GCViewer
GCViewerJava

A Java tool that visualizes and analyzes verbose garbage collection logs from multiple JVM vendors to help optimize memory performance.

#oracle-jdk#performance-analysis#java
Stars4.6k
Forks993
Last commit4 months ago
Cardslib
CardslibJava

An Android library to build UI cards using the official Google CardView with extensive customization options.

#gradle#recyclerview#android
Stars4.6k
Forks1.2k
Last commit4 years ago
ribbon
ribbonJava

A battle-tested client-side IPC library with built-in load balancing, fault tolerance, and support for HTTP/TCP/UDP protocols.

#distributed-systems#java#fault-tolerance
Stars4.6k
Forks1.2k
Last commit4 months ago
Kaitai Struct
Kaitai StructShell

A declarative language to generate binary data parsers in multiple programming languages from a single format description.

#data-serialization#csharp#protocol-analyser
Stars4.6k
Forks206
Last commit2 days ago
Azkaban (.5k)
Azkaban (.5k)Java

Azkaban is a batch workflow job scheduler created at LinkedIn to manage Hadoop jobs.

#hacktoberfest#gradle#batch-processing
Stars4.5k
Forks1.6k
Last commit1 year ago
Drozer
DrozerPython

A security testing framework for Android that identifies vulnerabilities by interacting with apps, IPC endpoints, and the OS.

#vulnerability-assessment#mobile-security#android-framework
Stars4.5k
Forks834
Last commit16 days ago
Java Developer Roadmap
Java Developer RoadmapJava

A visual roadmap charting the essential skills, tools, and technologies for becoming a Java developer in 2026.

#backend-development#guidelines#technology-stack
Stars4.5k
Forks562
Last commit1 month ago
Mapbox GL
Mapbox GLC++

A C++ library for rendering interactive, customizable vector maps in native Android, iOS, macOS, Node.js, and Qt applications.

#qt#ios#native-sdk
Stars4.4k
Forks1.3k
Last commit2 years ago
Moco
MocoJava

A lightweight Java framework for easily creating HTTP, REST, and WebSocket stub servers for integration testing.

#integration-testing#rest-api#java
Stars4.4k
Forks1.1k
Last commit2 days ago
wire
wireKotlin

A modern gRPC and Protocol Buffers library for Android, Kotlin, Swift, and Java with schema-first development.

#android#java#protocol-buffers
Stars4.4k
Forks608
Last commit17 hours ago
GeoServer
GeoServerJava

An open-source Java server for sharing and editing geospatial data using open standards.

#web-mapping#ogc-standards#open-source-gis
Stars4.3k
Forks2.3k
Last commit11 hours ago
JabRef
JabRefJava

An open-source, cross-platform citation and reference management tool for BibTeX and BibLaTeX databases.

#research-tool#academia#citation-manager
Stars4.3k
Forks3.3k
Last commit12 hours ago
Dragonwell8
Dragonwell8Java

Alibaba's OpenJDK 8 implementation optimized for extreme-scale e-commerce, financial, and logistics applications.

#java8#performance-optimization#x86-64
Stars4.3k
Forks499
Last commit20 hours ago
Fury
FuryJava

A high-performance multi-language serialization framework using JIT compilation and zero-copy techniques for fast data exchange.

#multi-language#fast#apache-arrow
Stars4.3k
Forks409
Last commit16 hours ago
failsafe
failsafeJava

A lightweight, zero-dependency Java library for implementing fault tolerance and resilience patterns.

#retry-logic#circuit-breaker#fallback
Stars4.3k
Forks309
Last commit3 months ago
Camunda (.2k)
Camunda (.2k)Java

An open-source BPMN platform for workflow and process automation, embeddable in Java applications.

#end-of-life#bpm#spring-framework
Stars4.3k
Forks1.7k
Last commit5 months ago
OpenPDF
OpenPDFJava

An open-source Java library for creating, editing, rendering, and encrypting PDF documents, including HTML-to-PDF conversion.

#pdf-editing#html-to-pdf#openpdf
Stars4.3k
Forks696
Last commit7 days ago
Fernflower
FernflowerJava

An analytical decompiler that converts Java bytecode back into readable Java source code, used in IntelliJ IDEA.

#jetbrains#obfuscation-recovery#command-line-tool
Stars4.3k
Forks728
Last commit2 days ago
Javassist
JavassistJava

A Java bytecode engineering toolkit that simplifies runtime class definition and bytecode manipulation with source-level and bytecode-level APIs.

#bytecode-engineering#java-bytecode#library
Stars4.2k
Forks719
Last commit5 days ago
AWS SDK for Java
AWS SDK for JavaJava

The official AWS SDK for Java 1.x enabling Java developers to work with Amazon Web Services (now in maintenance mode).

#legacy-support#java-sdk#amazon
Stars4.2k
Forks2.8k
Last commit18 days ago
JMonkeyEngine
JMonkeyEngineJava

A 3-D game engine for adventurous Java developers, offering a complete open-source suite for cross-platform game development.

#hacktoberfest#ios#open-source
Stars4.2k
Forks1.2k
Last commit7 hours ago
PowerMock
PowerMockJava

A Java testing framework that extends EasyMock and Mockito to mock static methods, final classes, private methods, and constructors.

#final-class-mocking#unit-testing#mockito
Stars4.2k
Forks579
Last commit2 years ago
java-tron
java-tronJava

Java implementation of the TRON Protocol, a high-performance blockchain platform for decentralized applications.

#json-rpc#smart-contracts#tron-protocol
Stars4.1k
Forks1.7k
Last commit4 days ago
NullAway
NullAwayJava

A fast annotation-based null checker for Java that eliminates NullPointerExceptions with low build-time overhead.

#nullability-analysis#null-safety#static-code-analysis
Stars4.0k
Forks336
Last commit2 days ago
NullAway
NullAwayJava

A fast, annotation-based null checker for Java that eliminates NullPointerExceptions with low build-time overhead.

#nullability-analysis#null-safety#annotation-processor
Stars4.0k
Forks336
Last commit2 days ago
Awaitility
AwaitilityJava

A Java DSL for testing asynchronous systems by expressing expectations in a concise and readable manner.

#integration-testing#dsl#awaitility
Stars4.0k
Forks258
Last commit7 days ago
RavenDB
RavenDBC#

A fully ACID NoSQL document database with extreme performance and developer-friendly experience.

#iot#database#document-database
Stars3.9k
Forks859
Last commit19 hours ago
IDDD Samples
IDDD SamplesJava

Reference implementations of Bounded Contexts from Vaughn Vernon's 'Implementing Domain-Driven Design' book.

#gradle#cqrs#event-sourcing
Stars3.9k
Forks920
Last commit2 years ago
Spotbugs
SpotbugsJava

A static analysis tool for finding bugs in Java code, succeeding the FindBugs project.

#hacktoberfest#linter#static-code-analysis
Stars3.9k
Forks654
Last commit1 day ago
RoaringBitmap
RoaringBitmapJava

A compressed bitmap data structure for Java that outperforms alternatives like WAH, EWAH, and Concise in speed and compression.

#apache-spark#java-library#compressed-bitmap
Stars3.9k
Forks587
Last commit10 days ago
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