SST
SST is an open-source framework for building and deploying full-stack serverless applications, primarily on AWS. Founded in 2017, it provides TypeScript-based infrastructure abstractions for application developers and DevOps engineers via a product-led, self-serve open-source distribution model.
- Company typePrivate
- Founded2017
- HeadquartersSan Francisco, United States
- Headcount1–10
- GTM typeB2B
- OfferingSoftware
What SST does
SST (formerly Serverless Stack) is an open-source framework for building and deploying full-stack serverless applications, primarily targeting AWS. Founded in 2017 in San Francisco by Jay V (CEO) and Frank Wang (CTO), the company operates under the parent entity Anomaly Innovations and maintains a 1-10 person team. The framework is built on Pulumi and Terraform, supporting 150+ cloud providers, and provides high-level TypeScript components that wrap 70+ low-level AWS resources each, abstracting infrastructure complexity so application developers (not just DevOps engineers) can provision cloud resources via a single config file.
Key technical components include a "Live Mode" feature enabling sub-10ms local Lambda debugging without redeployment, type-safe resource linking between infrastructure and runtime code, multi-language runtime support (Node.js, Python, Golang, Rust), and the OpenNext adapter for deploying Next.js to AWS. The product suite extends beyond the core framework to include the SST CLI, the SST Console (a hosted deployment dashboard), the SST Guide (a 300-page educational resource with 90,000+ newsletter subscribers), and three open-source companion projects: OpenCode (AI coding agent), OpenNext (Next.js deployment adapter), and OpenAuth (standards-based authentication provider).
SST's business model is open-source and free, with no commercial pricing tiers disclosed. Distribution is entirely self-serve via npm, CLI installers, Homebrew, Linux package managers, and GitHub releases. The go-to-market is product-led growth, targeting full-stack developers and DevOps/platform engineers. Traction is evidenced by 25K+ GitHub stars, 90,000+ Guide subscribers, and self-reported adoption by "thousands of teams." Total disclosed funding is approximately $1.125 million in seed-stage capital (July 2021) from Greylock Partners, SV Angel, and Y Combinator, with strategic angels including Reid Hoffman, Max Levchin, and Steve Chen.
SST firmographics
Firmographics- Name
- SST
- Legal name
- SST
- Website
- https://sst.dev
- Company type
- Private
- Founded year
- 2017
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- SST is an open-source framework for building and deploying full-stack serverless applications, primarily on AWS. Founded in 2017, it provides TypeScript-based infrastructure abstractions for application developers and DevOps engineers via a product-led, self-serve open-source distribution model.
- Ownership category
- akta.pro rank
Where SST is headquartered
LocationHeadquarters
- HQ city
- San Francisco
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
SST business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Marketing or Sales, Operations, Infrastructure
Revenue model
- Open Source Framework (Primary): SST framework itself is open-source and free. The company generates revenue through developer goodwill, community growth, and potentially paid cloud services or enterprise offerings.
Go-to-market motion1 record
Distribution channels5 records
Marketing channels5 records
SST product offering
Product offeringCore offering
SST is an open-source, TypeScript-first framework for building and deploying full-stack serverless applications on AWS (and 150+ other cloud providers via Pulumi and Terraform). It provides high-level components that wrap low-level infrastructure resources, a Live mode for millisecond-level local Lambda debugging, and a companion SST Console web dashboard for managing deployments, logs, and git-push-to-deploy workflows. Additional open-source companion products include OpenNext (Next.js adapters), OpenAuth (auth provider), and OpenCode (AI coding agent).
Product overview
SST (Serverless Stack) by Anomaly Innovations is an open-source framework for building full-stack serverless applications on AWS. The product suite includes the core SST Framework for serverless development, the SST CLI for project management and deployment, and the SST Console for deployment management and monitoring. Additional offerings include the SST Guide as an educational resource, the Live feature for local development without redeployment, and three open-source companion projects: OpenCode (AI coding agent), OpenNext (Next.js adapters), and OpenAuth (standards-based auth provider). The framework integrates deeply with AWS services and supports Node.js, Python, Golang, and Rust runtimes.
Differentiator
Problem solved
Functional benefit
Products and services
- SST Framework An open-source, TypeScript-first framework for building and debugging full-stack serverless applications on AWS by connecting directly to the cloud, with high-level components that wrap dozens of underlying AWS resources, type-safe resource linking, and a Live mode for local Lambda debugging.
- SST CLI Command-line interface for managing SST apps, supporting initialization, deployment, development mode, secrets management, state management, and tunneling for local development.
- SST Console A web-based dashboard for managing SST deployments, viewing logs, and enabling git push-to-deploy workflows.
- OpenNext Open-source Next.js adapter for deploying Next.js applications to AWS, maintained by the SST team to keep Next.js deployment pipelines open-source.
- OpenAuth Open-source, standards-based authentication provider developed and maintained by the SST team.
- OpenCode Open-source AI coding agent developed by the SST team that provides automated coding assistance.
Quantifiable outcome
- Sub-10ms local function change reload
- +1 more outcomes
Companies that use SST
Customer profileNamed customers12 records
Segments2 records
Ideal customer profiles2 records
SST technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
SST partnerships and signals
Strategic signalScale indicators6 records
Recent moves6 records
Expansion highlights5 records
SST competitors and assessment
Company assessmentDirect peers
- Serverless Framework: Serverless Framework is one of the original open-source serverless deployment tools. It shares SST's target developer persona (full-stack serverless apps on AWS) and product-led growth model, though it predates SST and has a different architectural philosophy.
- Pulumi: Pulumi is the underlying infrastructure-as-code engine that SST is built on. It targets the same developer persona (cloud infra defined in code) and overlaps directly with SST on multi-cloud provisioning, though Pulumi is a more general-purpose IaC platform.
- HashiCorp Terraform: Terraform is the dominant infrastructure-as-code tool and another foundation layer for SST. Both compete for developer mindshare on cloud provisioning, though Terraform uses HCL rather than TypeScript and lacks SST's serverless-specific abstractions.
- AWS CDK: AWS CDK is AWS's native framework for defining cloud infrastructure in TypeScript. It competes head-to-head with SST's core value proposition (type-safe AWS infrastructure) and is free, bundled with AWS, and tightly integrated with AWS services.
Broad incumbents
- Vercel: Vercel is a major commercial platform for deploying Next.js and full-stack applications. It competes with SST's deployment/hosting use case (especially via OpenNext) but offers a managed, opinionated experience rather than an open-source framework.
- Cloudflare Workers: Cloudflare Workers is an edge serverless platform with strong TypeScript support and an open-source CLI (Wrangler). It overlaps with SST's serverless developer tooling target, particularly via SST's Cloudflare component support.
- Render: Render is a unified cloud platform for hosting applications and databases. While it competes more on PaaS than serverless-IaC, it overlaps with SST's broader 'deploy full-stack apps easily' value proposition for developers choosing infrastructure abstractions.
Emerging players
- Supabase: Supabase is an open-source backend-as-a-service platform popular with full-stack developers. It shares SST's developer-led growth and open-source ethos, and increasingly overlaps in the serverless full-stack application space.
- Architect: Architect is an open-source framework for building serverless applications. It targets the same full-stack developer persona as SST and represents a smaller, more focused competitor in the AWS Lambda deployment space.
- Astro: Astro is an open-source web framework that integrates with SST for serverless deployment. It is a complementary technology rather than direct competitor, but shares the same full-stack developer audience and represents a key deployment target in SST's component library.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
SST social profiles
Digital presenceSST financial estimates
Financial estimateRevenue estimate
Valuation estimate
SST leadership team
Management profileNumber of profiles
Profiles2 records
SST funding detail
Funding detailFunding overview
Funding rounds2 records
Investors3 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
SST M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about SST
What does SST do?
SST is an open-source, TypeScript-first framework for building and deploying full-stack serverless applications on AWS (and 150+ other cloud providers via Pulumi and Terraform). It provides high-level components that wrap low-level infrastructure resources, a Live mode for millisecond-level local Lambda debugging, and a companion SST Console web dashboard for managing deployments, logs, and git-push-to-deploy workflows. Additional open-source companion products include OpenNext (Next.js adapters), OpenAuth (auth provider), and OpenCode (AI coding agent).
Is SST a public or private company?
SST is a private company. It is classified as venture growth investor backed and is currently operating.
When was SST founded?
SST was founded in 2017. It employs 1 to 10 people.
Where is SST based?
SST is headquartered in San Francisco, United States, in the North America region.
How does SST make money?
One revenue line is on record: open Source Framework (Primary).
Who are SST's main competitors?
Direct peers on record are Serverless Framework, Pulumi, HashiCorp Terraform and AWS CDK. Broad incumbents are Vercel, Cloudflare Workers and Render. Emerging players are Supabase, Architect and Astro.
Does SST have an API?
No public API is recorded for SST.