PostgreSQL, a powerful, enterprise class open source object-relational database system.
Publify, a self hosted web publishing platform running on Ruby on Rails.
Python, a high-level programming language for general-purpose programming.
Redis, an in-memory data structure store, used as a database, cache and message broker.
Redmine, a free and open-source, web-based project management and issue tracking tool.
Ruby, a dynamic, reflective, object-oriented, general-purpose programming language.
Solidus, an open source fork of Spree, eCommerce application for high volume retailers, built with Ruby on Rails.
Spree Commerce, an open source e-commerce platform based on Ruby on Rails.
HTTPS, the HTTPS web server mode.
SugarCRM, a free and open-source version of customer relationship management system (CRM).