Ruby on Rails
Rails is a web application development framework written in the Ruby language. It is designed to make programming web applications easier by making assumptions about what every developer needs to get started. source: rubyonrails.org Supported Versions Ruby on Rails on Ubuntu 16.04
Redis
Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache and message broker. source: redis.io Supported Versions Redis 4.0.2 on Ubuntu 16.04
MySQL
Many of the world’s largest and fastest-growing organizations including Facebook, Google, Adobe, Alcatel Lucent and Zappos rely on MySQL to save time and money powering their high-volume Web sites, business-critical systems and packaged software. source: mysql.com Supported Versions MySQL 5.7.20 on Ubuntu 16.04
Cassandra
The Apache Cassandra database is the right choice when you need scalability and high availability without compromising performance. source: cassandra.apache.org Supported Versions Cassandra 3.11 on Ubuntu 16.04
Django
With Django, you can take Web applications from concept to launch in a matter of hours. Django takes care of much of the hassle of Web development, so you can focus on writing your app without needing to reinvent the wheel. It’s free and open source. source: djangoproject.com Supported Versions Django 1.11.6 on Ubuntu 16.04
MongoDB
MongoDB is a document database with the scalability and flexibility that you want with the querying and indexing that you need. source: mongodb.com Supported Versions MongoDB 3.2.17 on Ubuntu 16.04
Docker
Docker is an open platform for developers and sysadmins to build, ship, and run distributed applications, whether on laptops, data center VMs, or the cloud. source: docker.com Supported Versions Docker 17.09.0-ce on Ubuntu 16.04
WordPress
WordPress started as just a blogging system, but has evolved to be used as full content management system and so much more through the thousands of plugins and widgets and themes, WordPress is limited only by your imagination. (And tech chops.) source: wordpress.org Supported Versions WordPress 4.9.8 on Ubuntu 18.04