Platform startups in San Francisco

Stainless

San Francisco

✱ Stainless provides robust & polished SDKs for your REST API.They're idiomatic, type-safe, and engineered to feel like handwritten code.API-first companies like OpenAI, Anthropic, Meta, Cloudflare, and Scale use Stainless to generate SDKs

RevenueCat

San Francisco

**A simple API for managing in-app subscriptions** RevenueCat is a mobile SDK and API for managing in-app subscriptions We take the sting out of supporting the complicated subscription systems of the App Store and Google Play Store, and he

Same

San Francisco

Same enables anyone to prompt software into existence, March 2025 mission that drew 350,000 signups and seven-figure ARR. Led by Aiden Bai and Nisarg Patel, it develops open-source Million.js and React Scan, in production at Airbnb, Robinho

Floot

San Francisco

Floot builds an AI-first software foundation enabling non-coders to build and deploy full-stack web apps. It grew to 600+ customers after Y Combinator and features founders from Retool and AWS, with a CTO who bootstrapped a SaaS to $5M+ ARR

Emergent

San Francisco

Emergent enables anyone to build production software by describing requirements in natural language. Founded by Mukund Jha and Madhav Jha, it attracted 700,000 users and $10M ARR in two months, among fastest-growing AI companies, serving en

Woz

San Francisco

Woz helps non-technical founders turn ideas into scalable software by combining expert engineering, business tools, and go-to-market support, bridging AI-generated code with real-world growth and accelerating the path from concept to market

Conductor

San Francisco

Conductor, based in San Francisco, has a three-person in-person team including Omid and is building the first AI orchestrator; backed by Silicon Valley investors to sustain operations through rough patches.

CreativeMode

San Francisco

CreativeMode enables players to create no-code Minecraft mods, expanding into a new category of gaming tools; in its first three months it built the most powerful no-code Minecraft modding platform and accounted for a double-digit share of

Rebolt

San Francisco

Rebolt is building a no-code platform that lets companies create and deploy custom full-stack applications in minutes, enabling both technical and non-technical teams to replace spreadsheets and generic SaaS with their own internal tools.