Terraform is an open-source infrastructure as code software tool created by HashiCorp.
Best SST Alternatives ranked by AI · updated Aug 2026
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SST is an open-source infrastructure framework for deploying full-stack applications on AWS, including Next.js applications. It provides higher-level constructs, local development tooling, and deployment workflows while retaining access to AWS resources.
Top 6 SST alternatives
Pulumi is an open-source infrastructure as code tool that allows users to define and manage cloud infrastructure using familiar programming languages.
Free and paid plans available
Serverless Devs is an open-source command-line toolkit for developing, deploying, and managing serverless applications across multiple cloud providers. It is aimed at...
Pros
- Supports multiple cloud providers through a plugin-based architecture
- Provides deployment, configuration, and lifecycle commands from one CLI
- Open-source and free to use
Cons
- Smaller ecosystem and community than Serverless Framework or AWS CDK
- Documentation and plugin quality can vary by cloud provider
- Less mature enterprise governance than major cloud-vendor tools
Nitric is an open-source framework for building and deploying cloud applications with infrastructure defined alongside application code. It targets developers who want...
Pros
- Provides higher-level cloud resource abstractions than raw infrastructure-as-code tools
- Supports multiple programming languages and major cloud providers
- Generates infrastructure from application code instead of requiring separate templates
Cons
- Smaller ecosystem and community than AWS CDK, Pulumi, or Serverless Framework
- Less suitable for teams needing fine-grained control over every cloud resource
- Cloud portability can be limited by provider-specific capabilities
Free and open source; cloud hosting is usage-based
Klotho is an open-source developer tool that generates cloud infrastructure and deployment configurations from application code and architecture definitions. It targets developers...
Pros
- Generates infrastructure from application-level architecture instead of requiring extensive hand-written IaC
- Reduces boilerplate for common cloud application patterns
- Open-source and usable without a platform subscription
Cons
- Smaller ecosystem and community than Terraform, Pulumi, or AWS CDK
- Less suitable for highly customized multi-cloud infrastructure than general-purpose IaC tools
- Requires learning Klotho-specific abstractions and workflows
Free, open source
OpenNext is an open-source adapter for deploying Next.js applications to AWS infrastructure. It converts Next.js output into serverless resources such as Lambda,...
Pros
- Deploys Next.js applications on AWS instead of requiring a proprietary hosting platform
- Open-source architecture supports customization and infrastructure-level control
- Works with AWS services such as Lambda, S3, and CloudFront
Cons
- Requires substantially more AWS knowledge and configuration than Vercel or Netlify
- Infrastructure costs and performance tuning remain the team's responsibility
- Some Next.js features may require checking adapter compatibility
Free; AWS infrastructure costs apply
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