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Educate and Empower software professionals in emerging technologies, news and best practices.

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's open source technology stack

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.

Stackoverflow Open Source Technology Stack

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

Open Source Technology Stack used in WhatsApp

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.

Free and Open source tools to build OpenJDK in Windows

opentaps Open Source ERP + CRM, is a fully integrated application suite that supports eCommerce, Customer Relationship Management, Warehouse and Inventory Management, Supply Chain Management, and Financial Management to Business Intelligence and mobility integration out-of-the-box. This article discusses about the open source software used to build Opentaps ERP.

Open Source Technology Stack used in Opentaps ERP

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.

Zimbra - Enterprise Email Server Stack

As open source getting popular day by day, many have questions like How to make money from Open Source? Lot more products are getting introduced and don't know who is making money. Certainly open source means, give the product and source for free then how to make money? Yes sell the product for free but get paid for its services.

How to make money from Open Source

Failure is often the catalyst for success. You need to make mistakes to truly learn and grow as a tech worker. Sometimes, you don’t need to make the mistakes to learn. Learning from other’s mistakes can be just as informative and productive. Paying attention to what others have done can help you avoid the same kind of failure. Here are a few common mistakes that authors make that lead to the failure of open-source software projects.

Open-Source Software Projects - Typical Common Reasons for Failure

Open source is leading innovation in all technological areas. Open source awareness has spread around the world. Schools and Colleges students speak about it. Government organization think about it. Corporates relay on open source technological stack to build their enterprise or cloud products.

Why Corporates should contribute to open source?

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Solr and Elastic Search both are built on top of Lucene library. Both are compratively equal. Any new feature / enhancement which get introduced in Lucene, will also get added to Solr. But still Elastic Search which uses Lucene as it core gained more popularity than Solr in recent years.

Why Elastic Search is gaining more popularity than Solr?

The release 4.0 is one of the important milestone for Lucene and Solr. It has lot of new features and performance important. Few important ones are highliggted in this article.

Whats new in Lucene / Solr 4.0

Solr is a search engine built on top of Lucene. It supports REST interface and has lot of built-in capabilities. Solr package has Admin UI interface which has support to perform query and even delete the contents of the index. If you are using Solr in production then you may need to restrict access. I saw couple of questions in the group related to this topic. Thought to write an article explaining few tips to restrict the user access to Solr admin UI.

Restrict Solr Admin Access

In this article we will see how to work with Apache Lucene for text search in Java.

Introduction to Apache Lucene

Lucene is most powerful and widely used Search engine. Here is the list of 7 search engines which is built on top of Lucene. You could imagine how powerful they are.

Deploying and Maintaining Containers Using AWS ECS

ParadeDB - An Elasticsearch Alternative built on PostgreSQL

Using AWS S3 from Node.js: A Beginner's Guide

AWS CodePipeline: Automating CI/CD on AWS

Implementing AWS Lambda for Serverless: A Practical Guide

Build AI Apps using Cloudflare

opensource

How to make money from Open Source

Open-Source Software Projects - Typical Common Reasons for Failure

Why Corporates should contribute to open source?

react native

Mastering Hooks in React Native: A Deep Dive

Mastering API Integration in React Native with Expo: A Comprehensive Guide

React Native Navigation and Routing with Expo: A Comprehensive Guide

solr

Why Elastic Search is gaining more popularity than Solr?

Whats new in Lucene / Solr 4.0

Restrict Solr Admin Access

lucene

Introduction to Apache Lucene

Whats new in Lucene / Solr 4.0

8 Best Open Source Searchengines built on top of Lucene

Uber's open source technology stack

Stackoverflow Open Source Technology Stack

Open Source Technology Stack used in WhatsApp

Free and Open source tools to build OpenJDK in Windows

Open Source Technology Stack used in Opentaps ERP

Zimbra - Enterprise Email Server Stack

Void Editor: The Open-Source, Privacy-Focused Alternative to Cursor IDE

Google Cloud Donates Agent2Agent Protocol to Linux Foundation

Microsoft open sources Windows Subsystem for Linux

OpenAI Latest Innovations Codex and BrowseComp

Redis Returns to Its Open Source Roots

DeepSeek Prover v2: Advancing Formal Theorem Proving with Open-Source AI

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