YC Winter 2023 Engineering, Product and Design Startups

Y Combinator's Winter 2023 batch included 45 Engineering, Product and Design startups. Of these, 31 remain active, 8 have been acquired, and 6 have shut down.

• IcePanel (9 people) — Design and explain complex software architecture.
• Langfuse (19 people) — Open source LLM engineering platform
• SensorSurf (1 people) — Resolve PR check failures instantly with AI
• Tagsafe
• Cardinal (3 people) — Your AI product backlog
• Trigger.dev (9 people) — Build and deploy fully‑managed AI agents and workflows
• DrDroid (8 people) — Your best friend in production.
• Nango (6 people) — A single API for all your integrations
• Rubber Ducky Labs (2 people) — AI Powered Product Discovery
• Double – Coding Copilot (2 people) — AI coding copilot engineered for performance
• Versive (3 people) — AI-first user research platform
• PoplarML (2 people) — Deploy Machine Learning Models with One Command
• Pirros (44 people) — Github for Construction
• Designbase (3 people) — Design and build great interfaces
• ShortLoop (8 people) — Phone AI that Captures Every Dealership Revenue Opportunity
• Magic Patterns (10 people) — Go from idea to production with AI.
• Depot (8 people) — Build faster. Waste less time.
• Dashdive (2 people) — Break down AI and cloud costs by feature and customer
• Sage AI (2 people) — Your self-generating, self-maintaining code knowledge base.
• Lynx (5 people) — AI platform for investigating and resolving engineering incidents
• Fern (30 people) — Instantly offer SDKs and API Docs
• Vellum (23 people)
• Frigade (4 people) — AI-powered product assistance for modern software teams
• Lightski (1 people) — AI Agents for Enterprises
• Outerbase (4 people) — The interface for your database
• co.dev (2 people) — Turn your ideas into full-stack apps
• Inkeep (18 people) — Build AI Agent teammates and automations in code or no-code
• Narrative (5 people) — AI agents for end-to-end testing
• Wild Moose (3 people) — Automating root cause analysis with generative AI
• BuildJet (2 people) — High-performance computing cloud
• Dream3D (3 people) — Generative AI Worlds
• Lume (5 people) — Speed up customer implementation with AI
• Noya Software (2 people) — Product design tool that lets everyone design like a designer
• Defer (2 people) — Zero infrastructure background processing platform.
• Fastgen (7 people) — Webflow for the Backend
• Relace (7 people) — Models and infra for coding agents
• MagnaPlay (5 people) — AI-powered game translation.
• CodeParrot AI (2 people) — Helps Developers build stunning UI Lightning Fast ⚡️
• Resend (45 people) — Email for developers
• Clueso (25 people) — Create beautiful videos & docs for any product or process in minutes
• Keep (5 people) — The open-source AIOps platform
• highlight.io (8 people) — The open source, fullstack monitoring platform: stop guessing why…
• Skyhook (7 people) — PaaS-like experience with the power of Kubernetes, on your cloud
• Serial (2 people) — Root cause manufacturing issues in seconds
• Pierre (10 people) — Pierre is a new, opinionated, git platform.