Gantt chart Minimal requirements Ruby 3.1.2 Ruby on Rails 7.0.7.2 JDK 20 PostgreSQL Frameworks and libraries Ruby on Rails Stimulus.js Tailwindcss Postgresql DHTMLX Gantt JDK 20 mpxj Getting Started Install JDK, this is required to use mpxj gem Clone the repository git clone https://github.com/AlbertoJTD/gantt_chart.git cd gantt_chart Install gems bundle install Create database and run migrations rails db:create db:migrate Run development server ./bin/dev