Apache OpenOffice is the leading open-source office software suite for word processing, spreadsheets, presentations, graphics, databases and more.
Apache Maven is a software project management and comprehension tool. Based on the concept of a project object model (POM), Maven can manage a project's build, reporting and documentation from a central piece of information.
Apache JMeter desktop application is open source software, a 100% pure Java application designed to load test functional behavior and measure performance.
Apache httpd has been the most popular web server on the Internet since April 1996,
Apache Log4j 2 is an upgrade to Log4j that provides significant improvements over its predecessor, Log4j 1.x, and provides many of the improvements available in Logback while fixing some inherent problems in Logback architecture.
Hadoop HDFS is a distributed, scalable, and portable filesystem written in Java.
Apache Kafka is an open-source stream processing platform developed by the Apache Software Foundation written in Scala and Java.
Apache Tomcat is an open source software implementation of Java Servlet and JavaServer Pages technologies and are developed under the Java Community Process.
A scalable, distributed database that supports structured data storage for large tables. Use HBase when you need random, realtime read/write access to Big Data.