A pre-configured and ready to run Tracks GTD web application, built with Ruby on Rails. It is based on MariaDB, a community-developed fork of the MySQL relational database management system and Nginx, a high-performance web, reverse proxy, load balancer and HTTP cache server. It also includes Selfmanagement Preset, a self-management, self-monitoring and self-healing components. Versions: Tracks 2.3.0-jet-3, MariaDB 10.0.30, Nginx 1.11.2.