Tech Company CollectionsY Combinator Portfolio Companies

Casco validates security, safety, and accuracy of AI apps and agents. Continuously.

Contrario is a managed hiring network helping growth-stage startups and enterprises fill hard roles fast. They fill critical roles faster with AI-powered expert recruiters who deliver high-signal candidates quickly. Contrario white-glove delivers top candidates by pairing proprietary AI models with recruiter workflows to filter noise and surface only the best-fit talent.

Propolis is an Information Technology company that simulates real users via swarms of autonomous browser agents that test for you.

StarSling is one interface that automates all the tasks that eat up your time after you’ve left your code editor: deployments, performance, incidents, and bugs. Open your homepage, click on a GitHub, Linear, or Sentry issue and you’ll see an Autofix button that triggers an agent and opens up a Pull Request with a fix, all without leaving your portal.

Bluejay is the platform for AI agent quality assurance. Reducing development processes from days to minutes, preventing performance regressions, and identifying issues before entering production.

Opennote is an edtech company that offers an AI-powered platform for interactive learning experiences.

ClaimSorted is a modern claims TPA providing a 5-star claims experience while also reducing operational and indemnity costs through our industry-leading claims team and advanced automation

Elevate AI is a Purchasing API tool that provides Financial infrastructure for AI agents.

Airfront automates the manual tasks directly from the inbox by using artificial intelligence.

Tinfoil provides provable security for AI workloads, bringing the security guarantees of on-prem to the cloud.

Arini is an AI receptionist for dental practices that answers phone calls, and schedules appointments.

Superfilter is a companion that manages your inbox with the intelligence of an executive assistant. It never misses an important email, suggests follow up actions, and handles things like meeting coordination and quick replies in one click. Superfilter is for founders and executives who want to: * Spend less time checking email. * Never drop the ball on high priority messages. * Delegate email related tasks.

Aedilic is a transportation service provider offering Storage services with drone delivery.

Linkup connects large language models (LLMs) and AI agents to the internet. The platform enables AI systems to access, search, and interact with web content efficiently, enhancing their capabilities and reducing inaccuracies. By providing APIs, Linkup allows developers to integrate web content into AI applications seamlessly.

Reprompt is the control panel for production AI systems.

Piramidal offers artificial intelligence software that transforms brain activity into easy-to-understand health data to help diagnose neurological diseases.

Blume Benefits is an insurance broker management platform that converts complex insurance quotes into clear and concise formats.

AI-powered operating system for short-term rental hosts

Open-source framework to accelerate development tasks with AI

Pickle generates lifelike AI clones that allow users to join video calls without using a camera. Our AI avatar lip-syncs to the user's voice in real-time, replicating their facial expressions and interactions with near zero latency.

Spur works in automation of all functional codes and E2E testing.

Hamming AI is an experimentation platform that helps teams build reliable AI products.

BuiltRight helps home service businesses generate their website faster, better and cheaper than ever before using AI.

ProSights is an AI-powered enterprise search platform designed for investors.

Revyl is an AI-enabled QA platform that allows teams to create, run, and maintain fully functional, automated E2E tests easily with no maintenance.

A software solution that aggregates spot freight opportunities for medium-to-large carriers

Leaping autonomously into the code is a recipe for bugs and errors. Instead, trust the tested code fixes for a reliable and successful solution.

careCycle is an AI workforce for Medicare agencies and FMOs, supporting top agencies in their operations.

CrowdVolt is a platform that allows fans to swap tickets to live events via a two-sided, bid-ask system, beginning with raves and EDM concerts.

SimCare AI is a healthcare technology firm that is using artificial intelligence to revolutionize clinical training.

Hestus is a Software Development firm offering AI powered software to speeds up the development of hardware.

Aidy is an AI assistant that helps to find, qualify, and apply for U.S. federal grants. It can quickly check the project's eligibility and competitiveness across various grant programs, and assist in filling out forms and drafting documents with AI.

RetailReady specializes in streamlining retail compliance through directed workflows that eliminate the need for traditional paper SOPs and spreadsheet tracking. By digitizing warehouse processes, which traditionally relied on extensive manuals, into a more accessible mobile app format, RetailReady aims to reduce the financial burden of retailer chargebacks on brands and third-party logistics (3PLs). The company leverages AI to revolutionize retail fulfillment strategies, offering insights into common pitfalls in meeting retailer requirements and providing a 360-degree view of the in-store customer journey. RetailReady's solutions are designed to enhance the efficiency of supply chain, fulfillment, and logistics operations.

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Olive allows companies to generate internal tools connected to their data sources with AI.

CopyCat automates repetitive tasks in your browser. It’s an application layer built to create and execute workflows for browser-based tasks, making your work faster and more efficient.

Browser Use is a software company currently based in San Francisco, California, United States. It has been founded in 2024 by Magnus Müller.

We transform audio into intelligence — building proprietary data and cutting-edge audio analytics to fuel the next generation of AI.

GoldenBasis is a B2B fintech company that aims to help self-clearing firms receive account transfers with AI.

Corefin is an open-source lending platform that enables technology businesses to create and market lending solutions.

Pap! automates refund claims by scanning email receipts, recovering billions owed to consumers from price drops and flight delays.

Ocular is a Cloud and Artificial Intelligence company, backed by Y Combinator, bringing Enterprise AI and Search to the Workplace and Engineering.

Thorntale is the first presentation program developed for data storytelling.

Alacrity is a company that assists businesses in preventing ATOs (account takeovers) by offering a range of multi-factor authentication tools that provide both security and a positive user experience.

Pipeshift is a modular orchestration platform for building with open-source AI components—embeddings, vector databases, LLMs, vision models, and audio models—across any cloud or on-premise. Enterprises get to deploy their AI workloads in production faster and more reliably.

Lumen Space offers cloud computing and data relay to satellites in space. The company's mission is to accelerate downlink times by processing data in orbit.

Taxo leverages AI to automate medical billing and coding for healthcare providers, accelerating claims processing while significantly reducing costs.

OpenFunnel provides AI agents that help Go-To-Market teams find potential customers by detecting real-time intent signals from the internet.

Taiki is an API that automatically pulls tax documents and data from payroll and financial institutions using AI.

And AI is a platform for managing patents, helping attorneys and inventors streamline searches and claim drafting.

Find out if Crustdata is the right fit for your future career! Explore jobs, salary, equity, and funding information. Read about work-life balance, perks, benefits, and the company culture!

Toma is a software company currently based in New York City, New York, United States. It has been founded in 2024 by Anthony Krivonos, Monik Pamecha, and Junyu Huang.

Polymet is an AI Product Designer, helps teams create well-designed user interfaces and prototypes without any design experience. You explain what you want or provide an image, and Polymet will design it for you and provide production-ready front-end code for those designs.

Ergo empowers modern sales teams to maximize efficiency, enhance pipeline accuracy, and drive predictable growth by automating CRM updates and surfacing actionable insights. The Ergo CRM Automation Platform captures and integrates customer interactions, streamlines data management, and powers workflows that eliminate manual processes and improve team productivity. Businesses rely on Ergo to keep their CRM up-to-date, ensure sales data consistency, and unlock their revenue potential with smarter, faster sales operations.

EdgeTrace makes video data easily available and actionable for important businesses.

PathPilot offers an AI-powered platform that analyzes session replays to reveal user insights, UI issues, and improvement recommendations.

Blacksmith is a company that helps businesses to conduct their continuous integration (CI) up to twice as quickly and at half the expense. Blacksmith accomplish this by running CI on powerful gaming CPUs.

Arva AI (LinkedIn) makes onboarding onto a bank/fintech as a business 100x faster and significantly cheaper. We've built a highly compliant AI agent that instantly handles all low/medium risk manual KYB work in real-time as a customer is onboarding, cutting reviews to seconds and ops spend by 80%.

Octolane AI is an artificial intelligence platform that rebuilds salesforce with the power of AI.

Astrix builds AI purchasing agents for healthcare providers. Astrix helps providers secure better deals on recurring medical supplies, equipment, and pharmacy orders by using AI to find the best offers from reputable vendors. Powered by generative AI, Astrix aggregates and normalizes data from millions of sources, delivering actionable pricing insights for buyers and sellers alike. Our team brings expertise in building AI systems from Palantir, Oxford, Duke Health, and MedStar Health. Backed by Y Combinator, Astrix operates globally from San Francisco, NYC, and London.

Vespper is an AI 24/7 operational engineer. it automatically troubleshoots incidents and alerts, links to sources and helps you find the customer impact quickly. Whether your organisation is going through growing pains, need a better handle at dealing with SEV0 or have too many low priority unsolved issues. Vespper will adapt to your needs to democratise expert knowledge across your org

Lucite is a finance productivity software that automates research and presentation creation for investment bankers, investors, corporate finance teams, and consultants.

Just words is a software company that makes it simple to create self-optimized content variations for emails and advertisements.

Amber is an extension of your post-sales team, providing context for each customer and action.

Agentic Labs is integrating AI into software design and architecture to alleviate pain points. Although there are many tools available to developers today for quickly developing code, the most difficult and labor-intensive aspect of software engineering is building the systems that integrate this code.

Operand is an AI consultant for consumer brands. We're generating 6 figure returns in P&L impact for early clients.

Pave Robotics builds robots that repair roads. Their first product, 'Tracer', seals cracks in asphalt faster, cheaper, and more efficiently than traditional crews.

dScribe AI serves the function of analyzing any video online using only its link. dScribe AI takes care of the demanding work of managing audio and video content for social media, so you can concentrate on what matters for your business. dScribe AI has you covered, whether you're a developer wanting to incorporate social media analysis into your app, a business aiming to gain a better understanding of your audience, or an enterprise in need of mass brand protection.

Yondu is a robotics engineering firm offering AI models for diverse robotic applications, including a voice-controlled drone.

OneGrep is an artificial intelligence company that provides insights to improve team observability data and streamline the engineering operations

Pretzel AI is a cutting-edge, open-source substitute for Jupyter Notebook designed for data scientists and analysts that solves a number of persistent problems with Jupyter. It emphasizes AI, fosters collaboration, provides a contemporary development environment, and is fully open-source.

Oma Care is to empower, assist, and compensate people who care for our most vulnerable citizens—family caregivers.

Haplotype is a startup that improves human health over time by dramatically improving the security, accessibility, and sophistication of population genetics software and polygenic risk scores.

Pickle is a mobile application that enables its users to share photos of food with others. The application allows its users to view, upload, and share photos of food from restaurants with others. Users can then landmark the food picture to the location it was purchased from. The application is available for iOS and Android platforms. Pickle was launched in 2013 by Ben Thomas and Barthelemy Menayas and is based in California.

USUL is a modern government intelligence platform that provides software solutions.

Kabilah streamlines shift change for nurses with an AI-powered assistant that replaces paper reports.

Ply Health’s platform delivers a better and faster contracting and credentialing experience. Using our tech + automation and behavioral health expertise, we've been able to get providers in network with payers weeks to months faster than other vendors. Ply Health partners with physical practices, digital practices, build-your-own-business platforms and new provider entrepreneurs in behavioral to magically simplify data collection, enrollment submission, follow ups and record keeping. Ply Health is backed by YCombinator and is based in San Francisco.

FanCave is the platform that allows all fans to directly offer recruits and participate in all opportunities with athletes.

nCompass Technologies is a platform for accelerating and hosting open-source and custom AI models. It offers low-latency AI deployment without rate-limiting. All with just one line of code.

K-Scale Labs is a robotic engineering company specializing in creating open-source humanoid robots.

Mentra’s mission is to employ 100,000 talented neurodiverse individuals by 2025. Join today to close the autism employment gap as a candidate, recruiter, or vocational rehabilitation center. Founded at Georgia Tech by disability advocates, Mentra's aim is to create an accessible future for those on the autism spectrum, including Asperger's syndrome, ADHD, OCD, Dyslexia, and other learning disabilities.

Tergle builds AI agents for auditors. Book a demo today!

Canvas AI is an AI based Software Development firm that offers Copilot for Customer Success.

Inventive AI offers a GenAI-first platform to streamline RFP responses for B2B sales teams.

Security and compliance for LLM Applications & Agents

Granza Bio is a company that developing cancer therapies based on human body's immune system.

Payroll and benefits for startups. Save weeks of work & fines. Unlike existing platforms, we automate all the painful compliance work.

CodeParrot converts Design to code. Get production ready UI components from Design files, Screenshot to Code.

Quantic provides next-generation personalized, timely, and reliable data provider for sales teams.

Kobalt Labs offers protected health information and personally identifiable information detection from unauthorized access.

TaxGPT uses artificial intelligence and tax information to automate tax filing.

Open-Source Evaluation Infrastructure for LLMs. Give us a star on Github to support us in promoting AI-safety ⭐ https://github.com/confident-ai/deepeval.

Anaphero is health care unit that helps in reducing clinical staff shortage using virtual agents that can safely interact with patients.

Twine makes sure your small business never misses a potential customer because of a missed call. We use conversational AI to engage customers over text, finding out what they need and booking them for a service.

Pivot Robots combines off-the-shelf robots and vision sensors with our pioneering AI vision control software to enable industrial robots to adapt. Pivot Robots accomplish this by harnessing the most recent developments in core vision models.

Cartage is an AI operating system for shippers & 3PLs that automates routine tasks and connects users to carriers.

Instaclass is an ed-tech company that helps users to create classes using Artificial Intelligence tools.

Serial is software to help root cause manufacturing issues in seconds.

Unriddle is a research assistant that helps academics quickly find insights in scientific literature so they can write papers faster. We’re using language models to offload rote research tasks, speeding up the research process and freeing up more human capacity for higher reasoning and insight. Since launching a year ago we’ve grown to over 800,000 users. And we’re proud to power research teams at top orgs like Roche Pharmaceutical, Stanford University, GSK, Johns Hopkins and MIT.

We make it easy for developer-facing companies to build AI support bots for their community. Teams at OpenAI, Airbyte and NextJS use kapa.ai to help onboard new users and reduce support. Sign up at: https://www.kapa.ai/