Ably, a realtime data delivery platform, can now be installed via Heroku's cloud platform for managing applications. The integration of Ably into the Heroku ecosystem allows developers to deploy and run apps more efficiently. As an add-on in Heroku's 'Messaging and Queuing' category, Ably provides a reliable realtime platform that can be easily scaled and provisioned with just one command. This collaboration enhances the development of dependable realtime applications by offering versatile APIs and ensuring scalability.