Free Flynn Alternatives

Dokku is a free and open-source project that helps you build and manage the lifecycle of applications. With Dokku developers can setup their own PaaS (Platform-as-a-Service) in a matter of minutes. Dokku provides extra plugins which can be used to manage database, and tools needed for your application. If you need to server your application over HTTPS, Dokku got you covered as well, with the help of Let's Encrypts free TLS certificates.

HashiCorp Nomad is a simple and flexible workload orchestrator to deploy and manage containers and non-containerized applications across on-prem and clouds at scale.

CapRover is an free and easy-to-use application deployment and server manager for NodeJS, Python, PHP, ASP.NET, Ruby, MySQL, MongoDB, Postgres, WordPress and more. With CapRover you can create your own PaaS (Platform-as-a-Service) similar to that of Heroku, and deploying it to your own cloud instance.

With ISPConfig you can manage your servers directly through your web browser. ISPConfig is an open-source panel for Linux-based servers which is capable of managing multiple servers from one unified control panel.

Webmin is a web-based interface for system administration tool for Unix-like systems. You can use Webmin in any modern browser to setup and manage& user accounts, Apache web server, DNS configuration and alike. The software removes the mundane task of manually editing Unix configurations and allow you to easily setup hosting for applications, sites and web services.

As a mobile or front-end web developer, the complicated task of building and structuring a backend can be a daunting task. AWS Amplify is a tool built by Amazon as an end-to-end solution for building and deploying secure, scalable full stack applications, and ease that burden. With the Amplify CLI, you get a guided workflow to set up best-in-class backends for authentication, storage, APIs. With Amplify Libraries, you can connect your application with current technologies such as Android, iOS, React, Flutter, Amazon Cognito, Amazon S3 and AI/ML. And when it is time to ship, the Amplify Console got can help you to deploy and host scalable static websites and single page web apps with a Git-based workflow.

ZPanel is a free web hosting control panel for macOS, Linux and Windows-based servers. With ZPanel it's easy to manage your server for web hosting related tasks such as setting up server environments, managing DNS reccords and configuring SMTP.  The software is written in PHP and released as open source software under the GNU General Public License 3.0.

OpenFaaS makes it simple to deploy both functions and existing code to Kubernetes. With OpenFaaS developers can deploy their applications and serveless functions to their very own scalable, fault-tolerant event-driven serverless platform powered by Docker and Kubernetes.

Swarmlet is a free and open-source, self-hosted Platform as a Service that runs on any single server. It's mainly intended for use with multiple servers, a server cluster / swarm. Swarmlet is inspired by Dokku and brings the same simplicity to Docker Swarm. Swarmlet also uses Traefik v2 and Let's Encrypt to provide automatic SSL and load balancing on your apps.

Virtualmin is a powerful and flexible web hosting control panel for Linux and BSD systems. Virtualmin provides a cost-effective and comprehensive solution to virtual web hosting management. Virtualmin is avalible as a commnuity-supported version, while a commercial option includes premium support and more features. Currently, over 100,000 people and organizations use Virtualmin globally.