Open-Awesome
CategoriesAlternativesStacksSelf-HostedExplore
Open-Awesome

© 2026 Open-Awesome. Curated for the developer elite.

TermsPrivacyAboutGitHubRSS
  1. Home
  2. Tags
  3. Java

Java

1443 projects

Showing 36 of 1443 projects

Vert.x MQTT Server
Vert.x MQTT ServerJava

A Vert.x-based MQTT server and client implementation for building IoT applications and protocol bridges.

#iot#rxjava2#client
Stars214
Forks95
Last commit17 days ago
Android client for EOS.IO
Android client for EOS.IOJava

Android client for EOSIO blockchain developers to test wallets, accounts, transactions, and smart contracts.

#mobile-client#wallet#testing-tool
Stars213
Forks80
Last commit6 years ago
Selma
SelmaJava

A Java bean mapper that generates mapping code at compile time to eliminate runtime mapping errors.

#object-mapping#bean-mapping#annotation-processor
Stars212
Forks38
Last commit6 years ago
AtlasMap ()
AtlasMap ()Java

An open-source data mapping solution with a web UI for configuring integrations between Java, XML, and JSON data sources.

#visual-mapper#integration#standalone
Stars212
Forks117
Last commit1 year ago
gdx-vfx
gdx-vfxJava

A flexible post-processing visual effects library for libGDX, offering lightweight integration and simple effect implementation.

#graphics#gwt#shaders
Stars211
Forks25
Last commit13 days ago
GraphAware Neo4j TimeTree
GraphAware Neo4j TimeTreeJava

A Java and REST library for representing time as an on-demand tree in Neo4j, enabling temporal event modeling and queries.

#java-library#rest-api#java
Stars210
Forks39
Last commit5 years ago
ArangoDB
ArangoDBJava

The official Java driver for connecting to and interacting with ArangoDB multi-model databases.

#database-driver#database#document-database
Stars210
Forks96
Last commit21 hours ago
TLS Channel
TLS ChannelJava

A Java library that implements a ByteChannel interface over SSLEngine, providing a socket-like API for TLS.

#java-library#sslenigne#library
Stars209
Forks54
Last commit5 months ago
JanuesGraph-Utils
JanuesGraph-UtilsJava

A utility library and sample application for building and operating custom graph applications with JanusGraph.

#janusgraph#rest-api#schema
Stars208
Forks91
Last commit7 years ago
Jwks RSA
Jwks RSAJava

A Java library for retrieving JSON Web Keys from a JWKS endpoint to verify JWT signatures.

#hacktoberfest#token-verification#authentication
Stars207
Forks71
Last commit18 hours ago
ClojureCUDA
ClojureCUDAC

A Clojure library for GPU-accelerated computing using NVIDIA CUDA, enabling high-performance parallel processing.

#cuda#scientific-computing#high-performance-computing
Stars207
Forks12
Last commit9 days ago
JMock
JMockJava

A high-performance Java library for generating realistic business data with internationalization support.

#simulation#high-performance#functions
Stars206
Forks23
Last commit26 days ago
lmdbjni
lmdbjniC

A Java JNI binding for LMDB, providing ultra-fast, transactional key-value storage with zero-copy access.

#high-performance#lmdb#android
Stars205
Forks26
Last commit5 years ago
Convalida
ConvalidaJava

A simple, lightweight, and powerful field validation library for Android applications.

#kotlin-dsl#android#annotation-processing
Stars205
Forks18
Last commit6 years ago
tenacity
tenacityJava

A Dropwizard module that integrates Hystrix for building resilient REST services with circuit breakers and fallbacks.

#circuit-breaker#rest-api#java
Stars204
Forks36
Last commit2 years ago
OpenL Tablets ()
OpenL Tablets ()Java

An open-source Business Rules Management System that compiles Excel-based decision logic into production-ready REST APIs.

#enterprise-software#brms#rest-api
Stars204
Forks53
Last commit7 hours ago
Qiscus SDK
Qiscus SDKJava

An Android SDK for embedding real-time chat features into mobile apps without managing complex infrastructure.

#chat#chatapp#qiscus
Stars203
Forks84
Last commit1 month ago
Shape Drawer
Shape DrawerJava

A libGDX library for drawing simple shapes using a Batch, eliminating the need to flush between Batch#begin() and Batch#end().

#2d-rendering#open-source#graphics
Stars202
Forks34
Last commit1 year ago
Jollyday
JollydayJava

A Java library for calculating holidays and public holidays across different countries and regions.

#calendar-systems#enterprise-software#java-library
Stars196
Forks116
Last commit2 years ago
DesigniteJava
DesigniteJavaJava

A Java code quality assessment tool that detects design/implementation smells and computes object-oriented metrics.

#software-maintenance#code-smells#design-smells
Stars194
Forks70
Last commit1 year ago
jackson-dataformat-csv
jackson-dataformat-csvJava

Jackson extension for reading and writing CSV data as JSON-like data structures.

#library#jackson#java
Stars194
Forks72
Last commit8 years ago
Open eHealth Integration Platform
Open eHealth Integration PlatformJava

An Apache Camel-based integration framework with healthcare-specific DSLs for implementing IHE profiles and HL7 standards.

#ihe-profiles#xds#healthcare-integration
Stars193
Forks71
Last commit12 days ago
Jitescript
JitescriptJava

A Java library for generating JVM bytecode with a clean, fluent API inspired by BiteScript.

#library#runtime-metaprogramming#java
Stars192
Forks31
Last commit5 years ago
jvmkill
jvmkillC

A JVMTI agent that forcibly terminates the JVM when it cannot allocate memory or create threads.

#jvmti-agent#memory-management#reliability
Stars191
Forks45
Last commit3 months ago
slack-scala-client
slack-scala-clientScala

A Scala library for interacting with Slack's API and Real Time Messaging (RTM) interface.

#hacktoberfest#pekko#scala-library
Stars191
Forks104
Last commit2 years ago
FreeJ2ME Plus
FreeJ2ME PlusJava

A free J2ME emulator with libretro, AWT, and SDL2 frontends for running Java mobile applications on modern systems.

#j2me-emulator#mobile-emulation#open-source
Stars191
Forks27
Last commit8 hours ago
Mundus
MundusJava

A platform-independent 3D world editor built with Java, Kotlin, and libGDX for creating and rendering scenes in libGDX projects.

#terrain-generation#opengl#3d-editor
Stars190
Forks27
Last commit3 months ago
postman2jmx
postman2jmxJava

Converts Postman collections (V2+) to JMeter JMX files for performance testing.

#load-testing#performance-testing#jmeter
Stars190
Forks102
Last commit2 months ago
MinimalFTP
MinimalFTPJava

A lightweight, simple FTP server library written in pure Java with no external dependencies.

#tls-ssl#java-library#minimal
Stars190
Forks47
Last commit1 year ago
BON 2
BON 2Java

A rewrite of the bearded-octo-nemesis tool for deobfuscating Minecraft Forge mods using ForgeGradle.

#modding-tools#java#forgegradle
Stars190
Forks58
Last commit4 years ago
Atsumeru
AtsumeruJava

Free self-hosted mangas/comics/light novels media server

#light novels#comicinfo#manga
Stars189
Forks13
Last commit1 month ago
jmeter-prometheus-plugin
jmeter-prometheus-pluginJava

A JMeter plugin that exposes performance test results as Prometheus metrics via an HTTP API.

#load-testing#performance-testing#jmeter
Stars189
Forks116
Last commit3 years ago
AnyDate
AnyDateSwift

A Swifty date and time API for Swift inspired by Java 8's DateTime API, offering immutability, type safety, and ease of use.

#ios#datetime#java-8-datetime-api
Stars189
Forks13
Last commit1 year ago
JMeter gRPC Request
JMeter gRPC RequestJava

A JMeter plugin for load testing gRPC services without requiring pre-compiled protobuf classes.

#hacktoberfest#load-testing#performance-testing
Stars189
Forks81
Last commit2 years ago
Vert.x blueprint - TODO backend
Vert.x blueprint - TODO backendJava

A reactive todo-backend blueprint implementation using Vert.x with support for Redis and MySQL persistence.

#rxjava2#redis#rest-api
Stars185
Forks56
Last commit6 years ago
Bitcoin Transaction Explorer
Bitcoin Transaction ExplorerJava

A simple, pure block explorer web app that connects to your Bitcoin Core node via JSON-RPC to inspect transactions, blocks, and scripts.

#mining-simulator#viewer#json-rpc
Stars184
Forks38
Last commit
PreviousPage 23 of 41Next

Related Tags

Community-curated · Updated weekly · 100% open source

Found a gem we're missing?

Open-Awesome is built by the community, for the community. Submit a project, suggest an awesome list, or help improve the catalog on GitHub.

Submit a projectStar on GitHub
7 months ago
#Android186
#Kotlin132
#Jvm112
#Microservices110
#Java Library107
#Vertx99
#Maven94
#Cross Platform90
#Gradle84
#Mobile Development74
#Rest Api73
#Docker71