light-4j - A fast, lightweight and more productive microservices framework

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Light 4j is a fast, lightweight and cloud native microservices framework. Light means lightweight, lighting fast and shed light on how to program with modern Java SE. It is 44 times faster than the most popular microservices platform Spring Boot embedded Tomcat and use only 1/5 of memory.

microservice microservice-framework openapi swagger consul zookeeper fast lightweight cloud docker cloud-native web-framework web-application-framework rest-framework

BeAPI Framework - Full featured api automation framework

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The BeAPI Framework is a full featured api automation framework providing a FULL API automation with an AVERAGE response time per call of 0.27 milliseconds per request (Google requires their calls to be UNDER 200 ms). Its feature include Automated Batching, CORS, JWT Authentication, Throttling & Rate/Data Limits, Localized API Cache, Reporting.

rest-framework java-framework web-framework

Ratpack - A toolkit for JVM web applications

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Ratpack is a set of Java libraries for building modern HTTP applications. It provides just enough for writing practical, high performance, apps. It is built on Java 8, Netty and reactive principles. It is similar to NodeJS, helps to implement non blocking HTTP apps in Java.

java-framework web-framework framework asynchronous non-blocking rest-framework

Spark - A simple expressive web framework for java

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Spark is a micro framework for creating web applications in Kotlin and Java 8 with minimal effort. It is a simple and expressive Java/Kotlin web framework DSL built for rapid development. Sparks intention is to provide an alternative for Kotlin/Java developers that want to develop their web applications as expressive as possible and with minimal boilerplate. With a clear philosophy Spark is designed not only to make you more productive, but also to make your code better under the influence of Spark’s sleek, declarative and expressive syntax.

web-framework rest-framework rest-api java-framework kotlin-framework

RESTX - the lightweight Java REST framework

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RESTX is the lightweight, modular, feature rich, blazing fast, open source Java REST framework. It shares similarities with modern frameworks like Play! like hot compile and a very productive experience, but focused on REST and pure Java.

java-framework web-framework rest-framework rest-api web-application-framework

Light4j Cookbook - Rest API, CORS and RDBMS

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Light 4j is a fast, lightweight and cloud-native microservices framework. In this article, we will see what and how hybrid framework works and integrate with RDMS databases like MySQL, also built in option of CORS handler for in-flight request.

light4j sql cors rest-api

Caching using Ehcache Java Library

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Ehcache from Terracotta is one of Java's most widely used Cache. It is concurrent and highly scalable. It has small footprint with SL4J as the only dependencies. It supports multiple strategies like Expiration policies, Eviction policies. It supports three storage tiers, heap, off-heap, disk storage. There are very few caching products supports multiple tier storage. If you want to scale, you cannot store all items in heap there should be support for off-heap and disk storage. Ehcache is licensed under Apache 2.0. In this article, we can see about basic usage of Ehcache.

ehcache cache java map key-value

Getting Started on Undertow Server

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Undertow is a high performing web server which can be used for both blocking and non-blocking tasks. It is extermely flexible as application can assemble the parts in whatever way it would make sense. It also supports Servlet 4.0, JSR-356 compliant web socket implementation. Undertow is licensed under Apache License, Version 2.0.

java web-server undertow rest

Thymeleaf - Text display, Iteration and Conditionals

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Thymeleaf is a server-side Java template engine for both web and standalone environments. It is a better alternative to JavaServer Pages (JSP). Spring MVC and Thymeleaf compliment each other if chosen for web application development. In this article, we will discuss how to use Thymeleaf.

thymeleaf template-engine web-programming java

How to install and setup Redis

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Redis is an open source (BSD licensed), in-memory data structure store, used also as a database cache and message broker. It is written in ANSI C and works in all the operating systems. It supports data structures such as strings, hashes, lists, sets, sorted sets with range queries, bitmaps, hyperloglogs, geospatial indexes with radius queries and streams. This article explains about how to install Redis.

redis install setup redis-cluster

Uber's open source technology stack

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Uber, a taxi aggregation platform operates around the globe. It was started as monolith application and later re-architected as bunch of microservices, which gives them scalability. Uber uses lot of open source tools and they have contributed quite a lot projects back to the community. This article is about analyzing Uber's open source technology stack.

uber open-source stack technology-stack

Stackoverflow Open Source Technology Stack

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Stackoverflow is one of most widely used Q&A platform. It is the default choice of developers. It has over 100 million page views in a month and its Google page rank is 60. Check out its open source technology stack, the tools used to build such a popular website. Stackoverflow uses open source projects and also contributes to it.

stack software-used stackoverflow-architecture stackoverflow-stack

Open Source Technology Stack used in WhatsApp

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WhatsApp is a most widely used cross-platform mobile messaging app for iPhone, BlackBerry, Android, Windows Phone and Nokia. Users can send text, images videos, audio for free. It almost replaced SMS. It changed the way people interact with each other. Lets check out the technology behind WhatsApp

whatsapp chat messaging-app

Free and Open source tools to build OpenJDK in Windows

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OpenJDK is the open source implementation of Java Standard Edition. Oracle (Sun) JDK implementation is going to be based on OpenJDK. OpenJDK and Oracle JDK are almost similar. There are ready made binaries available for Linux distribution but you may need to build OpenJDK on windows.

java openjdk build-tools

Zimbra - Enterprise Email Server Stack

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Zimbra is a Enterprise messaging and collaboration software. It is a good alternative to Microsoft Exchange server. Zimbra is a Email Server but they have not written anything related to SMTP server, rather they have integrated well know open source email server in to its package. Zimbra is a system of well connected / integrated multiple open source software which delivers enterprise quality to it. This article explains most important components which helps to build the enterprise product.

software-used stack mail-server