Best Free Containers as a Service (CaaS) of 2025

Kubernetes serves as a powerful foundation for transformative ideas. It enables developers to innovate and deliver projects more rapidly through the premier hybrid cloud and enterprise container solution. Red Hat OpenShift simplifies the process with automated installations, updates, and comprehensive lifecycle management across the entire container ecosystem, encompassing the operating system, Kubernetes, cluster services, and applications on any cloud platform. This service allows teams to operate with speed, flexibility, assurance, and a variety of options. You can code in production mode wherever you prefer to create, enabling a return to meaningful work. Emphasizing security at all stages of the container framework and application lifecycle, Red Hat OpenShift provides robust, long-term enterprise support from a leading contributor to Kubernetes and open-source technology. It is capable of handling the most demanding workloads, including AI/ML, Java, data analytics, databases, and more. Furthermore, it streamlines deployment and lifecycle management through a wide array of technology partners, ensuring that your operational needs are met seamlessly. This integration of capabilities fosters an environment where innovation can thrive without compromise.

Ambassador Edge Stack, a Kubernetes-native API Gateway, provides simplicity, security, and scalability for some of the largest Kubernetes infrastructures in the world. Ambassador Edge Stack makes it easy to secure microservices with a complete set of security functionality including automatic TLS, authentication and rate limiting. WAF integration is also available. Fine-grained access control is also possible. The API Gateway is a Kubernetes-based ingress controller that supports a wide range of protocols, including gRPC, gRPC Web, TLS termination, and traffic management controls to ensure resource availability.

You can use your favorite debugging software to locally troubleshoot your Kubernetes services. Telepresence, an open-source tool, allows you to run one service locally and connect it to a remote Kubernetes cluster. Telepresence was initially developed by Ambassador Labs, which creates open-source development tools for Kubernetes such as Ambassador and Forge. We welcome all contributions from the community. You can help us by submitting an issue, pull request or reporting a bug. Join our active Slack group to ask questions or inquire about paid support plans. Telepresence is currently under active development. Register to receive updates and announcements. You can quickly debug locally without waiting for a container to be built/push/deployed. Ability to use their favorite local tools such as debugger, IDE, etc. Ability to run large-scale programs that aren't possible locally.

Hostman is a cloud platform that scales and deploys web applications. It automates DevOps and comes with CI/CD. This saves developers a lot of time and helps businesses save money. Hostman is intuitive and easy to use. You can host static websites, back end applications, Docker containers and databases on Hostman. Scaling has never been easier. It is easy to enable and scales your application automatically within the limits that you have set. The service is free for your static website and front-end apps. It also includes a global CDN (45 full stack edge locations with 65+ Tbps throughput) and a free SSL certificate. We offer back-end services at a very simple pricing model that uses a pay per use model. Prices start at $6.50 Our service is worldwide, so your application can be hosted anywhere in the world. Your services are hosted on AWS, Google Cloud Platform and Azure.

Launch production-ready Kubernetes clusters within just a few days and facilitate the swift onboarding of users and applications. Tackle the complexities of Kubernetes using a robust and user-friendly DevOps solution that minimizes friction among teams, fosters better collaboration, and increases overall productivity. With Nirmata's Kubernetes Policy Manager, you can ensure the appropriate security measures, compliance, and governance for Kubernetes, enabling you to scale operations smoothly. Manage all your Kubernetes clusters, policies, and applications seamlessly in a single platform, while optimizing operations through the DevSecOps Platform. Nirmata’s DevSecOps platform is designed to integrate effortlessly with various cloud providers such as EKS, AKS, GKE, OKE, and offers support for infrastructure solutions like VMware, Nutanix, and bare metal. This solution effectively addresses the operational challenges faced by enterprise DevOps teams, providing them with comprehensive management and governance tools tailored for Kubernetes environments. By implementing Nirmata, organizations can improve their workflow efficiency and streamline their Kubernetes operations.

The hosted platform is ideal for rapidly expanding development teams seeking to streamline the deployment, lifecycle management, and monitoring of applications, thus minimizing the costs associated with replicating applications in DEV/TEST environments. For instance, platforms like PayPal's casino services in Canada necessitate cutting-edge solutions that can handle the automation of thousands of transactions each day. A specialized PayPal finance team oversees the management of deposits and withdrawals that are securely kept in cloud applications, significantly enhancing operational efficiency. Furthermore, the platform offers seamless integrations with both private and public cloud services to facilitate the automatic provisioning and scaling of virtual infrastructure essential for Docker-based application deployments. It also provides comprehensive insights into the performance of clusters, hosts, and active containers, along with features for alerting and auto-healing capabilities. This comprehensive approach not only improves reliability but also empowers teams to focus on innovation rather than maintenance.