Heroku is a cloud Platform-as-a-Service (PaaS) supporting several programming languages that is used as a web application deployment model. Developed by Salesforce
License: Freemium
Cloud 66 offers more control and customization options, making it suitable for complex applications and multi-cloud environments. In contrast, Heroku provides a simpler, user-friendly interface with a rich ecosystem of add-ons, making it ideal for quick setups and smaller projects.