MentionFox lists 69 Design tools companies. Of them, 63 are Y Combinator companies (the newest batch here is Fall 2026, with 1); 4 filed a Form D notice with the SEC; 2 won an SBIR or STTR award.
Design tools startups
| Company | What it does | Date | Amount | Round / stage | Record |
|---|---|---|---|---|---|
| twentyfour26 | On Demand CNC Prototyping | Fall 2026 | Y Combinator batch | Y Combinator listing | |
| Clio Studios, Inc | Filed Aug 24, 2026 | $5,000 | SEC Form D | ||
| Make the Dot Inc. | Filed Jul 23, 2026 | $2.3M | SEC Form D | ||
| Hera | We make sure every factory in the world builds without mistakes. | Summer 2026 | Y Combinator batch | Y Combinator listing | |
| Marengo | AI-Native Engineering Firm designing Data Centers | Summer 2026 | Y Combinator batch | Y Combinator listing | |
| Cloudsci LLC | This cbd sbir phase ii proposal will mature the proof-of-concept developed in phase i and develop a portable instrument prototype for… | Award starts Apr 15, 2026 | $1.3M | SBIR Phase II | Federal award record |
| Bloom | The brand layer for agents. | Spring 2026 | Y Combinator batch | Y Combinator listing | |
| Prototyping.io | Autonomous manufacturing for mechanical parts | Spring 2026 | Y Combinator batch | Y Combinator listing | |
| CoordN8 Inc. | Filed Mar 9, 2026 | $500,000 | SEC Form D | ||
| SmileShape, Inc. (funding history) | Filed Feb 9, 2026 | $150,000 | SEC Form D | ||
| Aurorin Cad | Winter 2026 | Y Combinator batch | Y Combinator listing | ||
| L2 Diagnostics LLC | Pfag, a multivalent peptide vaccine against malaria - abstract pfag is our novel malaria vaccine, composed of short synthetic peptides… | Award starts Sep 15, 2025 | $599,954 | STTR Phase I | Federal award record |
| Radius | Code and browse in the same place | Fall 2025 | Y Combinator batch | Y Combinator listing | |
| Rivet | Explore dozens of design directions with your agent | Fall 2025 | Y Combinator batch | Y Combinator listing | |
| Hera | AI Motion Designer | Summer 2025 | Y Combinator batch | Y Combinator listing | |
| Interfere | Give engineering, product, and design teams insight into unseen issues | Summer 2025 | Y Combinator batch | Y Combinator listing | |
| Topological | Physics-based foundation models for CAD optimization. | Summer 2025 | Y Combinator batch | Y Combinator listing | |
| Alkali | The smarter way to estimate steel. | Spring 2025 | Y Combinator batch | Y Combinator listing | |
| Godela | AI Physics Engine to replace simulations and prototypes | Spring 2025 | Y Combinator batch | Y Combinator listing | |
| Adam | AI Powered CAD | Winter 2025 | Y Combinator batch | Y Combinator listing | |
| Onlook | Cursor for Designers | Winter 2025 | Y Combinator batch | Y Combinator listing | |
| Variant | Creative intelligence | Fall 2024 | Y Combinator batch | Y Combinator listing | |
| Hestus, Inc. | An AI-powered CAD software | Summer 2024 | Y Combinator batch | Y Combinator listing | |
| Polymet | AI Product Designer | Summer 2024 | Y Combinator batch | Y Combinator listing | |
| Draftaid | Go from 3D models to CAD drawings using AI | Winter 2024 | Y Combinator batch | Y Combinator listing | |
| Mocha | Build and publish web apps in minutes | Summer 2023 | Y Combinator batch | Y Combinator listing | |
| Repaint | Build a website by chatting with AI | Summer 2023 | Y Combinator batch | Y Combinator listing | |
| Tempo | Visual Editor for React, powered by AI | Summer 2023 | Y Combinator batch | Y Combinator listing | |
| Alloy | AI prototyping tool for product managers | Winter 2023 | Y Combinator batch | Y Combinator listing | |
| Aqueduct | Create, edit, and share procedural material graphs. | Winter 2023 | Y Combinator batch | Y Combinator listing | |
| Designbase | Design and build great interfaces | Winter 2023 | Y Combinator batch | Y Combinator listing | |
| Magic Patterns | Go from idea to production with AI. | Winter 2023 | Y Combinator batch | Y Combinator listing | |
| Noya Software | Product design tool that lets everyone design like a designer | Winter 2023 | Y Combinator batch | Y Combinator listing | |
| Versive | AI-first user research platform | Winter 2023 | Y Combinator batch | Y Combinator listing | |
| Chordio | Summer 2022 | Y Combinator batch | Y Combinator listing | ||
| Impractical | Your autonomous motion designer that turns every feature into a… | Summer 2022 | Y Combinator batch | Y Combinator listing | |
| Avocademy | We teach UX/UI design and then help people get great jobs | Winter 2022 | Y Combinator batch | Y Combinator listing | |
| Rally | Agentic User Research Infrastructure | Winter 2022 | Y Combinator batch | Y Combinator listing | |
| Awesomic | Get matched with top 1% of talents in 24h | Summer 2021 | Y Combinator batch | Y Combinator listing | |
| Customily | Making it easy to sell personalized products online. | Summer 2021 | Y Combinator batch | Y Combinator listing | |
| Mach9 | AI CAD Software for Civil Engineering | Summer 2021 | Y Combinator batch | Y Combinator listing | |
| Novatr | Online cohort based courses for architects, engineers and designers… | Summer 2021 | Y Combinator batch | Y Combinator listing | |
| ClipDrop | Turn regular mobile photos into professional product visuals | Winter 2021 | Y Combinator batch | Y Combinator listing | |
| FlutterFlow | Application Development Platform (Native Mobile + Web Apps) | Winter 2021 | Y Combinator batch | Y Combinator listing | |
| Great Question | User research on autopilot | Winter 2021 | Y Combinator batch | Y Combinator listing | |
| LightTwist | Realistic virtual video studio to record and stream from your browser | Winter 2021 | Y Combinator batch | Y Combinator listing | |
| Spline | Design and collaborate in multiple dimensions. | Winter 2021 | Y Combinator batch | Y Combinator listing | |
| Uiflow | No-code platform for enterprise software companies | Winter 2021 | Y Combinator batch | Y Combinator listing | |
| Waypoint | The email API built for product teams | Winter 2021 | Y Combinator batch | Y Combinator listing | |
| Ditto | Manage the words across your team’s product from design to production. | Winter 2020 | Y Combinator batch | Y Combinator listing | |
| Jitter | Fast and simple animation tool on the web 💫 | Winter 2020 | Y Combinator batch | Y Combinator listing | |
| Typedream | Build & launch your website in minutes with AI | Winter 2020 | Y Combinator batch | Y Combinator listing | |
| PatternFast (prior: Tailornova/Couturme) | The fashion product engineering intelligence | Winter 2019 | Y Combinator batch | Y Combinator listing | |
| Supernova | Design system platform joins developers and designers together | Winter 2019 | Y Combinator batch | Y Combinator listing | |
| Visly | Build React components visually | Winter 2019 | Y Combinator batch | Y Combinator listing | |
| Aesthetic | Your AI-powered creative apprentice 🪄 | Summer 2018 | Y Combinator batch | Y Combinator listing | |
| Anima App | Anima - Design Agent | AgentGrid.io - Shared drive for humans & agents | Summer 2018 | Y Combinator batch | Y Combinator listing | |
| BioRender | 'Figma/Canva for scientists’ | Winter 2018 | Y Combinator batch | Y Combinator listing | |
| Draftbit | Build mobile apps visually | Winter 2018 | Y Combinator batch | Y Combinator listing | |
| Medumo | We manage patient instructions for hospitals | Winter 2018 | Y Combinator batch | Y Combinator listing | |
| Universe | Design and build any kind of website | Winter 2018 | Y Combinator batch | Y Combinator listing | |
| Superside | AI-First Creative Partner for Enterprise Teams | Winter 2016 | Y Combinator batch | Y Combinator listing | |
| Font Awesome | Icons and social logos for your website. | Summer 2015 | Y Combinator batch | Y Combinator listing | |
| Zeplin | Deliver on the Promise of Design | Summer 2015 | Y Combinator batch | Y Combinator listing | |
| ReadMe | Beautiful, personalized, interactive developer hubs | Winter 2015 | Y Combinator batch | Y Combinator listing | |
| Lollipuff | Online Auctions for Authentic (Women's) Designer Goods | Winter 2013 | Y Combinator batch | Y Combinator listing | |
| Easel | Easel is a visual design tool built for the web | Summer 2012 | Y Combinator batch | Y Combinator listing | |
| Pixate | Mobile application prototyping | Summer 2012 | Y Combinator batch | Y Combinator listing | |
| Tumult | Tumult is building the next generation of apps for web design | Winter 2011 | Y Combinator batch | Y Combinator listing |
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Related startup lists
AI (35 shared) Developer tools (22 shared) Manufacturing and industrial (6 shared) Sales and marketing (3 shared) Computer vision (3 shared) Consumer and social app (2 shared)
Figures come only from the record linked in each row; a blank means the record gives none. How these lists are built.
