MBassador is a light-weight, high-performance event bus implementing the publish subscribe pattern. It is designed for ease of use and aims to be feature rich and extensible while preserving resource efficiency and performance. The core of MBassador is built around a custom data structure that provides non-blocking reads and minimized lock contention for writes such that performance degradation of concurrent read/write access is minimal.

MBassador - Light-weight, high-performance event bus implementing the publish subscribe pattern

Fast and Easy mapping from database and CSV to POJO. It is a java micro ORM, lightweight alternative to iBatis and Hibernate. It supports Fast Csv Parser and Csv Mapper. 
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SimpleFlatMapper provides a very fast and easy to use mapper for JDBC, CSV, Excel, Cassandra. It integrates with jOOQ, Spring Jdbc, JDBI ResultSetMapper and Binder, JDBI3, Sql2o and QueryDSL.


Fast and Easy mapping from database and CSV to POJO. It is a java micro ORM, lightweight alternative to iBatis and Hibernate. It supports Fast Csv Parser and Csv Mapper. 

SimpleFlatMapper - Fast and Easy mapping from database and CSV to POJO

A Persistent Java Collections Library. PCollections serves as a persistent and immutable analogue of the Java Collections Framework. This includes efficient, thread-safe, generic, immutable, and persistent stacks, maps, vectors, sets, and bags, compatible with their Java Collections counterparts.

PCollections - A Persistent Java Collections Library

EventHub enables companies to do cross device event tracking. Events are joined by their associated user on EventHub and can be visualized by the built-in dashboard to answer the following common business questions.

EventHub - An open source event analytics platform

Ward is a simple and and minimalistic server monitoring tool. Ward supports adaptive design system. Also it supports dark theme. It shows only principal information and can be used, if you want to see nice looking dashboard instead looking on bunch of numbers and graphs. Ward works nice on all popular operating systems, because it uses OSHI.

Ward -  Simple and minimalistic server dashboard

KumuluzEE is a lightweight framework for developing microservices using standard Java/JavaEE/JakartaEE/EE4J technologies, extending them with Node.js, Go and other languages, and migrating existing applications to microservices and cloud-native architecture. KumuluzEE packages microservices as standalone JARs. KumuluzEE microservices are lightweight and optimized for size and start-up time. They fit perfectly with Docker containers. KumuluzEE microservices are fully compatible with Kubernetes.
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KumuluzEE also provides extensions for developing common patterns in cloud-native architectures, including configuration, logging, discovery, fault tolerance with circuit-breakers, metrics, security, event streaming and more.

KumuluzEE is a lightweight framework for developing microservices using standard Java/JavaEE/JakartaEE/EE4J technologies, extending them with Node.js, Go and other languages, and migrating existing applications to microservices and cloud-native architecture. KumuluzEE packages microservices as standalone JARs. KumuluzEE microservices are lightweight and optimized for size and start-up time. They fit perfectly with Docker containers. KumuluzEE microservices are fully compatible with Kubernetes.

kumuluz - Lightweight open-source framework for developing microservices using standard Java EE technologies and migrating Java EE to cloud-native architecture

JBake is a Java based, open source, static site/blog generator for developers & designers.

JBake - Jekyll of the JVM

A zero configuration, non-distributed NoSQL key-value store that runs in any Servlet 3.0 compatible container. With Havalo, simply drop havalo.war into your favorite Servlet 3.0 compatible container and with almost no configuration you'll have access to a fast and lightweight K,V store backed by any local mount point for persistent storage.

Havalo - Non Distributed NoSQL Key Value Store

Tale's English meaning for the Story, I believe that every person who insists on writing a blog is a story; Chinese you call it Collapse does not matter.Tale uses a lightweight mvc framework Blade for development, the default theme using a beautiful pinghsu, if you think this project is good, please support it star.
<ul>
<li>Simple design, beautiful interface</li>
<li>Markdown article published</li>
<li>Custom article links</li>
<li>Support multiple themes</li>
<li>Support plugin extension</li>
<li>Support Emoji</li>
<li>Support Netease cloud music player</li>
<li>Support for attachments and database backups</li>
<li>Deployment is simple, do not rely on Tomcat</li>
<li>No database, sqlite embedded</li>
</ul>

Tale's English meaning for the Story, I believe that every person who insists on writing a blog is a story; Chinese you call it Collapse does not matter.Tale uses a lightweight mvc framework Blade for development, the default theme using a beautiful pinghsu, if you think this project is good, please support it star.

Tale - Best beautiful java blog, worth a try

Thumbnailator is a thumbnail generation library for Java. Learning how to use the Image I/O API, Java 2D API, image processing, image scaling techniques etc is fairly difficult task. Thumbnailator will take care of all those things for you. Thumbnailator is a single JAR file with no dependencies to external libraries, making development and deployment simple and easy. It also provides support to watermark, rotate, fluent API.

Thumbnailator - A thumbnail generation library for Java

This is a comprehensive and FULL Java client for the Google Places API. It provides support to add / delete place, It can help to search nearby locations and lot more.


Google Places API - Java client for the Google Places API 

Messenger4j is an ultimate Java library for building Chatbots on the Facebook Messenger Platform. If you are excited about building Chatbots on the Facebook Messenger Platform, messenger4j is all you need. 


Messenger4j - A Java library for the Messenger Platform

MoSKito is an open source system for monitoring performance and behavior of Java web applications. It collects performance data like Threads. Memory. Caches. Storages. Services. Registrations. Payments. Conversion. Partner Performance etc. It is interval based, works simultaneously with short (from 1min) & long (up to 24h) time intervals, allowing instant comparison. It supports all major application servers. It supports live profiling, displays accumulated performance data in charts.

MoSKito - Monitoring for Java applications. Complete ecosystem for DevOps

Nakadi is a distributed event bus broker that implements a RESTful API abstraction on top of Kafka-like queues. It provides abstract event delivery via a secured RESTful API, Enable convenient development of event-driven applications and asynchronous microservices, Efficient low latency event delivery.

Nakadi - A distributed event bus that implements a RESTful API abstraction on top of Kafka-like queues

ImSter is a tool that lets you hide and view encrypted text inside images securely. Text is password encrypted using 256-bit AES and encoded into the pixels of the image themselves rather than any metadata. It is impossible for anyone to tell by eye that there is hidden content within an image.

ImSter - Image Steganographer

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