What RedwoodSDK does

RedwoodSDK is an open-source developer framework built and maintained by RedwoodJS Inc., a private software company headquartered in San Francisco with 1-10 employees. The company originated as RedwoodJS in March 2020 through a collaboration between Tom Preston-Werner (GitHub co-founder), Peter Pistorius, Rob (cannikin), and David Price. After Peter Pistorius departed to found Snaplet and returned, the project was pivoted and rebranded as RedwoodSDK, with stable v1.0 launching on March 11, 2026.

The product is a server-first React framework delivered as a Vite plugin, running natively on the Cloudflare Workers platform via the workerd runtime. Core technical components include React Server Components with RPC-over-RSC (bypassing traditional API layers), useSyncedState for bidirectional real-time state synchronization via Durable Objects, rwsdk/db for SQLite-backed Durable Objects with Kysely-based type-safe queries, a composable router (rwsdk/router) using standard functions instead of file-system conventions, and the Passkey Addon for WebAuthn authentication. The framework explicitly avoids code generation, transpilation side effects, and abstractions over standard Web APIs (fetch, Request, Response, URL). Integrations extend to Drizzle ORM, Sentry, Vitest (via @cloudflare/vitest-pool-workers), Cloudflare AI, D1, R2, and Queues through Cloudflare Bindings.

RedwoodSDK's business model is open-source distribution with no direct revenue capture: the framework is free via npm and GitHub, no pricing tiers exist, and the company has not disclosed any funding rounds or paying customers. Go-to-market is product-led growth through developer self-serve adoption (npx create-rwsdk), community-led marketing (Discord, X, technical blog, podcasts such as Syntax.fm, conference talks including React Conf 2025 and Cloudflare TV), and deep co-marketing with Cloudflare's developer relations. The contributor community numbers 117 individuals with 9,713 contributions, and the primary GitHub repository has 1.4k-1.7k stars. Target customers are full-stack React developers and teams consolidating fragmented SaaS stacks onto a unified edge platform.

Name

RedwoodSDK

Legal name

RedwoodJS Inc.

Website

https://rwsdk.com

Company type

Private

Founded year

2020

Operating status

Operating

Headcount range

1–10 employees

Short description

RedwoodSDK is an open-source server-first React framework built as a Vite plugin on the Cloudflare Workers platform, maintained by RedwoodJS Inc. and serving full-stack React developers seeking unified edge deployment.

Ownership category

akta.pro rank

Product category

Web Development Framework

NAICS

Computer Systems Design and Related Services (5415)

SIC

Services-Prepackaged Software (7372)

akta.pro primary industry

Developer Tooling & SDK Platforms (BPAMAOAD)

akta.pro secondary industry

Cloud-Native Development (Containers, Kubernetes, Microservices) (BPAEACAD)

Keywords

• React server framework
• Cloudflare Workers SDK
• Open source framework
• Edge runtime development
• Server-side rendering

Headquarters

HQ city

San Francisco

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B

Offering type

Software

Cost components

Personnel, Technology or R&D, Marketing or Sales, Infrastructure, Operations

Revenue model

1. Open Source Framework (No Direct Revenue): RedwoodSDK is an open-source framework distributed freely via npm/GitHub. The company (RedwoodJS Inc.) does not appear to charge for the core framework. Revenue model is indirect — driven by community growth, potential enterprise support contracts, or services built around the platform.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels7 records

Core offering

RedwoodSDK provides an open-source, server-first React framework that runs natively on the Cloudflare Workers platform. It is distributed as a Vite plugin together with composable TypeScript SDK packages (rwsdk/worker, rwsdk/router, rwsdk/client, rwsdk/db) that enable developers to build full-stack React applications with React Server Components, type-safe routing and SQL, real-time state synchronization, passwordless authentication, and direct access to Cloudflare services such as D1, R2, Queues, AI, and Durable Objects.

Product overview

RedwoodSDK is a server-first React framework for Cloudflare, built as a Vite plugin. The core offering consists of the RedwoodSDK Framework with several composable SDK packages: rwsdk/worker (defineApp for Cloudflare Workers), rwsdk/router (routing with route/prefix/render/except functions), rwsdk/client (client-side hydration and navigation), and rwsdk/db (SQLite Durable Objects with Kysely). These packages can be used independently or together. The framework also includes useSyncedState for realtime state synchronization, the Passkey Addon for WebAuthn authentication, rwsdk-community for testing utilities, and Server Function Streams for AI streaming. The architecture follows 'Without Magic' (explicit code only), 'Composability Over Configuration' (primitives not policy), and 'Web-First' (native Web APIs) principles.

Differentiator

Problem solved

Functional benefit

Products and services

• RedwoodSDK Framework The RedwoodSDK Framework is a server-first React framework distributed as a Vite plugin that runs on the Cloudflare Workers platform. It is targeted at full-stack React developers and exposes Server Components, Server Functions, standards-based routing, streaming, real-time state, and direct access to Cloudflare Bindings such as D1, R2, Queues, AI, Durable Objects, and KV. The framework is open source and free, installable via `npx create-rwsdk`.
• Passkey Addon The Passkey Addon is a bundled authentication module for RedwoodSDK based on the WebAuthn standard. It provides passwordless login with server-side logic and client-side UI hooks, installable into any RedwoodSDK project, and is targeted at developers who want to add secure, modern authentication without a third-party SaaS dependency.
• create-rwsdk CLI The create-rwsdk CLI is a command-line scaffolder for new RedwoodSDK projects. It lets developers instantiate a complete RedwoodSDK application in a single command, intended for full-stack React developers who want to evaluate or start a project on Cloudflare Workers without manual configuration.
• rwsdk/db (SQLite Durable Objects + Kysely) rwsdk/db is the built-in database solution for RedwoodSDK, exposing SQLite-backed Durable Objects with the Kysely query builder for type-safe SQL queries, including JSON relational helpers and automatic rollback. It is intended for developers who want first-class, per-tenant data isolation in Cloudflare-based RedwoodSDK applications without an external database service.

Quantifiable outcome

• Local development environment matches production exactly via Miniflare — eliminates 'it works on my machine' discrepancies
• +2 more outcomes

Segments2 records

Ideal customer profiles1 record

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration4 records

AI capability3 records

Feature8 records

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Astro: Astro is a web framework with island architecture that supports React (among other UI frameworks) and emphasizes minimal client-side JavaScript. It shares RedwoodSDK's "less magic, web standards" philosophy and competes for developers building content-heavy or performance-focused web applications.
• Hono: Hono is a lightweight web framework built specifically for edge runtimes including Cloudflare Workers, Deno, and Bun. It shares RedwoodSDK's Cloudflare Workers focus and competes for developers building APIs and edge applications on the same platform with similar minimalist, web-standards-first design principles.
• SvelteKit: SvelteKit is the full-stack meta-framework for Svelte, offering SSR, routing, and server endpoints with a focus on simplicity and developer experience. While targeting Svelte rather than React, it competes in the same category of lightweight, full-stack web frameworks that RedwoodSDK positions itself within.
• Next.js: Next.js is the dominant React meta-framework offering server components, SSR, and full-stack capabilities - directly competing with RedwoodSDK for the same developer mindshare in server-first React frameworks. While Next.js targets Vercel and is platform-agnostic, RedwoodSDK's pitch of simplified server-first architecture is explicitly positioned against Next.js's complexity.
• Nuxt: Nuxt is the leading Vue meta-framework providing SSR, server routes, and full-stack capabilities analogous to RedwoodSDK for the React ecosystem. Both frameworks target developers wanting a batteries-included full-stack experience with server-side rendering and modern deployment targets.
• SolidStart: SolidStart is the full-stack meta-framework for SolidJS, featuring fine-grained reactivity, server functions, and SSR. It targets the same developer segment as RedwoodSDK - those seeking performant, fine-grained reactivity frameworks with server-first architecture.
• Remix: Remix is a full-stack React framework (now part of React Router under Shopify) focused on web fundamentals, nested routing, and server-first data flow. Like RedwoodSDK, it emphasizes web standards and explicit data flow over magic - making it a direct philosophical and functional peer for React developers choosing a full-stack framework.

Broad incumbents

• Vercel: Vercel is the deployment platform behind Next.js and the broader React framework ecosystem, providing hosting, edge functions, and developer infrastructure. As a broad incumbent, Vercel competes with Cloudflare (and by extension RedwoodSDK's platform choice) for the same enterprise developer audience while offering overlapping edge deployment capabilities.
• Cloudflare Workers: Cloudflare Workers is the edge compute platform that RedwoodSDK runs on natively. While RedwoodSDK is a framework layer on top rather than a direct competitor, Cloudflare is a broader incumbent offering multiple framework guides (including RedwoodSDK) and competing for the same developer workload as Vercel, AWS Lambda, and others.

Emerging players

• TanStack Start: TanStack Start is a newer React full-stack framework from the TanStack team (known for TanStack Query, Router). It represents an emerging entrant in the React meta-framework space competing for developers building server-first React applications with type safety.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/redwoodjs
• GitHubgithub.com/redwoodjs/sdk
• LinkedInlinkedin.com/company/redwoodjs

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about RedwoodSDK