# SF Ruby Startups

> 29 companies building on Ruby, many of which have demoed at SF Ruby. See https://sfruby.com/startups for the live list.

### Bolt.new
Website: https://bolt.new · Founded: 2017 · Funding: $135M total · Valuation: $700M
AI-native browser tool for building and deploying full-stack web apps with zero code. Launched 2024; $40M ARR in 5 months.
Latest: $40M ARR in 5 months, launched on AWS Marketplace (Dec 2025)

### Stepful
Website: https://www.stepful.com · Founded: 2021 · Funding: $56M total · Y Combinator
Online healthcare training for entry-level roles in four months. Tech-driven, accessible to those with a high school diploma.
Latest: TIME #1 EdTech in the US (2025), 30K+ students enrolled

### AccessGrid
Website: https://accessgrid.com · Founded: 2024 · Funding: $4.4M seed
API for issuing NFC keys for Apple and Google Wallet for startups, access control integrators, and large enterprises.
Latest: Raised $4.4M seed (Oct 2025), backed by Harlem Capital

### Suppli
Website: https://gosuppli.com · Founded: 2022 · Funding: $3.1M seed
Suppli provides digital payments and accounts receivable (AR) software solutions for construction materials supply and distribution sector.
Latest: $1B+ processed annually, NCS Credit integration (Jun 2025)

### NexHealth
Website: https://nexhealth.com · Founded: 2017 · Funding: $177M total · Valuation: $1B
Accelerating innovation in healthcare with our universal API, powered by the Synchronizer. Used by tens of thousands of practices in North America, and hundreds of startups building with us. We're a healthtech unicorn!
Latest: TIME Top HealthTech 2025, $100M+ in patient payments/year

### Simple AI
Website: https://usesimple.ai · Founded: 2024 · Funding: $14M seed · Y Combinator
Simple AI makes it easy to build and deploy enterprise-grade phone agents in days, not weeks. Iconic businesses use us for sales calls, customer support, leads qualification, and more. YC-backed.
Latest: Raised $14M seed led by First Harmonic (Feb 2026)

### Sixfold
Website: https://sixfold.ai · Founded: 2022 · Funding: $51.5M total
Insurtech startup that utilizes generative AI to optimize insurance underwriting processes.
Latest: Raised $30M Series B (Jan 2026), 1M+ AI submissions processed

### Cactus
Website: https://oncactus.com · Founded: 2024 · Funding: $7M seed · Y Combinator
AI-powered business assistant that answers, qualifies, and follows up with every lead around the clock—so you never miss a customer, call, or opportunity.
Latest: Raised $7M seed (Nov 2025), featured in Forbes Top YC X25

### CorePilot
Website: https://www.corepilotcloud.com/
AI-powered Enterprise Resource Planning (ERP) platform specifically designed to streamline and automate workflows within the aviation aftermarket.

### Tend
Website: https://tend.cash
Tend is for people with full lives who need clear visibility of their finances without the burden of traditional budgeting.

### Spinel
Website: https://spinel.coop
Spinel offers retainers to multiply the productivity of your team, and makes next-generation developer tools for everyone. Use rv.dev to install Ruby in 1 second flat, and never worry about OpenSSL breaking Ruby again.
Latest: Creators of rv.dev, Bundler team leadership

### Coracomputer
Website: https://cora.computer/
AI-powered email agent that triages, drafts, and responds to messages autonomously, letting you manage your inbox with minimal effort.
Latest: Featured in The New Yorker

### Terminalwire
Website: https://terminalwire.com
Developer tool for building and deploying modern, web-integrated command-line interfaces: Terminalwire streams server-side commands to users' terminals with seamless cross-platform support, authentication, and instant updates.
Latest: From Poll Everywhere founder, CLI streaming innovation

### Superconductor
Website: https://www.superconductor.dev/
Superconductor lets you run many coding agents in parallel, with a live browser preview for each one, on desktop or mobile. Launch many agents for each ticket to boost your productivity.
Latest: From Gradescope founder (acquired by Turnitin)

### AI Squared
Website: https://github.com/Multiwoven/multiwoven
Open-source reverse ETL platform to activate warehouse data into SaaS apps. One-click self-hosting, customizable connectors, and built for modern data teams.
Latest: Multiwoven acquired by AI Squared

### Recognize
Website: https://recognizeapp.com/ · Funding: Bootstrapped
Employee recognition and rewards program that is high-impact, affordable, and easy to launch. Even for frontline teams across multiple locations.
Latest: G2 High Performer 2026, 2K+ companies, Amazon Business Partner

### Fin by Intercom
Website: https://fin.ai/ · Founded: 2011 · Funding: $240M total · Valuation: $1.275B
See Fin, Intercom's AI support agent, resolve customer questions with human-quality answers across chat, email, voice, and social. Learns from your docs and policies while keeping your tone. We'll demo the Fin AI Engine: intent clarification, knowledge retrieval, and response validation to reduce hallucinations. Quick setup, precise control with Guidance and Workflows, and seamless integrations.
Latest: Fin AI approaching $100M ARR, 7K+ customers, Berlin R&D hub

### Ubicloud
Website: https://ubicloud.com/ · Founded: 2023 · Funding: $16M seed · Y Combinator
Open source alternative to AWS. Ubicloud provides cloud services on bare metal providers, such as Hetzner, Leaseweb, or AWS Bare Metal.
Latest: Managed K8s, AI inference, 2x faster GitHub Actions runners

### Chatwithwork
Website: https://chatwithwork.com/
Finally, a way to find that thing buried in your work accounts, and to write more with what you find. Pulls context from Gmail, Drive, Docs, Sheets, Calendar, and Presentations to draft emails and documents. Built with Rails 8, RubyLLM and the Async stack.
Latest: Built with Rails 8 and RubyLLM

### Thatch
Website: https://thatch.com/ · Founded: 2021 · Funding: $84.5M total
Thatch makes it easy to give your team great healthcare. You set a budget, and your employees spend it the way that works best for them.
Latest: Embedded in ADP for 900K+ small businesses (Dec 2025)

### Finta
Website: https://www.finta.com/ · Founded: 2022 · Funding: $2M seed · Y Combinator
Finta is the new default for startups to handle accounting and taxes. Within 10 minutes, you get automated bookkeeping, effortless tax filing, and real‑time insights.
Latest: YC W23, backed by Mercury, Brex, Ramp leaders

### AngelList
Website: https://angellist.com · Founded: 2010 · Funding: $224M total · Valuation: $4B
AngelList builds the software investors use to fund world-changing startups.
Latest: Acquired Tome (legal AI); $171B AUM, 72K+ investors

### PlanetScale
Website: https://planetscale.com · Founded: 2018 · Funding: $105M total
The database platform for developers. PlanetScale provides MySQL-compatible serverless database with built-in scaling, branching, and non-blocking schema changes.
Latest: Launched Metal (65% lower latency) + Postgres support (2025)

### llamapress
Website: https://llamapress.ai/
Open-source AI coding agent for Rails apps. 8K+ users, 40K+ pages created. Build full-stack Rails apps in the browser with Leonardo AI agent.
Latest: AI agents for web dev, built on Rails

### Cleary
Website: https://gocleary.com/ · Founded: 2017 · Funding: $7.5M total
AI-powered HR platform transforming how companies support and engage their employees. Cleary helps HR teams resolve up to 40% of HR tickets instantly.
Latest: AI-native HR platform, customers: Flexport, DoorDash, Scale

### Bemi AI
Website: https://bemi.ai
Platform for building AI agents that handle customer requests 24/7 via email and SMS. Bemi AI saves hours of manual work with agents that help diagnose, resolve, and respond automatically.
Latest: Rebranded to Telio, SOC 2 Type II certified, ~$1.2M raised

### Patch
Website: https://www.patch.io/ · Founded: 2020 · Funding: $80M total
Climate market infrastructure built on Ruby on Rails + Stimulus. Routes hundreds of millions of dollars to projects that permanently remove or reduce CO₂.
Latest: Series B led by Energize Ventures (Sept 2022); a16z and Coatue investors

### Reset
Website: https://www.getreset.co/ · Founded: 2022 · Funding: $7M+ total
Public benefit corporation giving everyday Americans fee-free access to income they've already earned. Embedded into credit unions and community banks. Built on Ruby on Rails, PostgreSQL, React, and Heroku.
Latest: Founding team from Visa, Salesforce, and Upstart; HQ Palo Alto

### Koah Labs
Website: https://www.koahlabs.com
Ad network for AI-native products — helping publishers monetize chat and agent experiences with native, contextual ads, and helping advertisers reach users in AI-influenced decision moments. Built on Ruby on Rails, React, TypeScript, PostgreSQL, ClickHouse, Redis, and Kafka. SF-based, with engineers from X, Apple, and Meta.
Latest: Backed by Theory Ventures, Forerunner Ventures, and South Park Commons