Best Function as a Service (FaaS) Providers with a Free Trial of 2025

Cloud Run operates primarily as a Container as a Service (CaaS) platform but also incorporates features akin to Function as a Service (FaaS). This enables developers to deploy individual functions within containers that execute in response to HTTP requests. The serverless architecture allows developers to pay exclusively for the compute time consumed by their functions, freeing them from the responsibilities of server and infrastructure management. Cloud Run automatically scales resources, launching or terminating functions based on traffic demands, which optimizes resource usage. New users benefit from $300 in complimentary credits, providing a fantastic opportunity to explore Cloud Run's FaaS features and gain insights into how it can streamline application design. With its ability to accommodate both containerized applications and serverless functions, Cloud Run serves as a versatile platform for developing scalable solutions. It offers a cohesive environment suitable for microservices as well as serverless function deployment.

Movestax is a platform that focuses on serverless functions for builders. Movestax offers a range of services, including serverless functions, databases and authentication. Movestax has the services that you need to grow, whether you're starting out or scaling quickly. Instantly deploy frontend and backend apps with integrated CI/CD. PostgreSQL and MySQL are fully managed, scalable, and just work. Create sophisticated workflows and integrate them directly into your cloud infrastructure. Run serverless functions to automate tasks without managing servers. Movestax's integrated authentication system simplifies user management. Accelerate development by leveraging pre-built APIs. Object storage is a secure, scalable way to store and retrieve files.

The easiest cloud platform for developers and teams. DigitalOcean makes it easy to deploy, manage, and scale cloud apps faster and more efficiently. DigitalOcean makes it easy to manage infrastructure for businesses and teams, no matter how many virtual machines you have. DigitalOcean App Platform: Create, deploy, scale and scale apps quickly with a fully managed solution. We will manage the infrastructure, dependencies, and app runtimes so you can quickly push code to production. You can quickly build, deploy, manage, scale, and scale apps using a simple, intuitive, visually rich experience. Apps are automatically secured We manage, renew, and create SSL certificates for you. We also protect your apps against DDoS attacks. We help you focus on the important things: creating amazing apps. We can manage infrastructure, databases, operating systems, applications, runtimes, and other dependencies.

We operate physical servers strategically located in cities near your users, maximizing performance while avoiding shipping costs. This infrastructure is designed to be as close to the hardware as possible, ensuring optimal service delivery. You can provision precisely what you require to enhance your application's performance and only pay for the resources you actually utilize. Our robust infrastructure provides the essential support you need for peace of mind, accompanied by visually appealing analytics to enjoy with your morning coffee. Experience seamless private networking with zero configuration and global load balancing capabilities. Easily add certificates for your own applications or scale up to a million for your clients' needs. Our development will utilize the standard web application generated by Remix, which serves as a simple foundation without a database. If you're feeling adventurous, consider exploring the Remix tutorial that guides you through building and deploying an SQLite-backed app on the Fly.io platform for further learning and development opportunities. This approach allows you to harness powerful tools to create scalable applications efficiently.

Execute code within a secure, resilient, and automatically scalable framework without the need to create or manage virtual machines. As the demand for function executions rises, the service dynamically provisions extra instances of your function to handle the increased load. All functions operate concurrently, and the runtime environment is distributed across three availability zones to maintain service continuity even if one zone experiences issues. You can set up and ready function instances to handle incoming requests efficiently, which helps to eliminate cold starts and allows for the rapid processing of workloads of any magnitude. Grant your functions access to your Virtual Private Cloud (VPC) to enhance communication with private resources, including database clusters, virtual machines, and Kubernetes nodes. Additionally, Serverless Functions monitors and logs details about function executions, providing insights into operational flow and performance metrics; you also have the option to specify logging methods within your function's code. Furthermore, you can initiate cloud functions in both synchronized mode and with delayed execution capabilities for greater flexibility. This approach allows for streamlined processes that can adapt to varying workloads efficiently.

IronFunctions is a serverless platform that is open source and falls under the Functions-as-a-Service (FaaS) category, enabling developers to create functions in any programming language and deploy them across a variety of environments, whether they are public, private, or hybrid clouds. It is compatible with AWS Lambda function formats, making it easy to import and run existing Lambda functions without hassle. Tailored for both developers and operators, IronFunctions streamlines the coding process by facilitating the development of small, dedicated functions without the complexities of managing the supporting infrastructure. Operators gain from improved resource efficiency, as the functions utilize resources solely during their active execution, and scalability is achieved simply by adding more IronFunctions nodes as required. Built with Go, the platform employs container technologies to manage incoming workloads by launching new containers, processing the input data, and delivering responses. Additionally, its flexible architecture allows for easy integration with various services, enhancing its utility for diverse application needs.

IBM Cloud Functions is a versatile functions-as-a-service (FaaS) platform built upon Apache OpenWhisk, designed for creating efficient, lightweight code that runs on demand with scalability. This platform provides full access to the Apache OpenWhisk ecosystem, encouraging contributions from developers around the world. With IBM Cloud Functions, developers can create applications that respond to events through sequences of actions. Additionally, it seamlessly integrates cognitive analysis into application workflows, enhancing the capabilities of the applications being developed. As you advance in your use of OpenWhisk components or tackle larger workloads, only then does the cost increase, making it a cost-effective solution for evolving needs. Overall, IBM Cloud Functions stands out as an essential tool for developers seeking to leverage event-driven programming in their applications.

Akamai's EdgeWorkers is a serverless computing solution that allows developers to implement custom JavaScript code at the network edge, thereby enhancing user experiences by executing processes closer to where users are located. This method effectively reduces latency by minimizing slow calls to origin servers, which not only boosts performance but also enhances security by relocating sensitive client-side logic closer to the edge. EdgeWorkers caters to a variety of applications, such as AB testing, delivering content based on geolocation, ensuring data protection and privacy compliance, personalizing dynamic websites, managing traffic, and customizing experiences based on device type. Developers can write their JavaScript code and deploy it through various means, including API, command-line interface, or graphical user interface, taking full advantage of Akamai's robust infrastructure that automatically scales to handle increased demand or traffic surges. Additionally, the platform seamlessly integrates with Akamai's EdgeKV, a distributed key-value store, which facilitates the development of data-driven applications with swift data retrieval capabilities. This versatility makes EdgeWorkers an essential tool for modern developers aiming to create responsive and secure web applications.

Google Cloud Functions offers a user-friendly experience for developers, enabling you to focus on coding while it manages the underlying infrastructure. By allowing you to create and execute concise code snippets that react to specific events, it accelerates the development process. Additionally, you can easily integrate with Google Cloud or external cloud services through triggers, making it easier to address complex orchestration challenges. This seamless connectivity enhances your ability to build scalable applications efficiently.