Nov 13, 2025 03:51:42 AM

Companies


Showing 176-200 of 5661 companies
YC S18
A

Allotrope Medical

Advancing surgical precision through safe electrical stimulation.

Allotrope Medical is a Houston-based medical device company founded and run by the surgeon that created the technology. Our platform stimulation technology gives physicians control over the natural movements of the urinary and digestive systems. This control over smooth muscle tissues allows the surgeon to identify hidden anatomic structures (ureters, sphincters and others), determine tissue health, and even assist in diagnosing disease states. The technology is delivered through the surgeon's existing instruments (which have remained unchanged in over 30 years) giving a completely new capability to the surgeon while maintaining seamless workflow integration. With an $600M (and growing) initial market, the technology is future-proof and is readily able to be integrated into the continued advancements in the surgical space.

YC W23
Alloy logo

Alloy

AI Prototyping for Product Management

Prototypes that look exactly like your product. Capture your product from the browser instantly and build lifelike, interactive AI prototypes. Perfect for Product Managers, Founders, and Designers.

YC W20
Alloy Automation logo

Alloy Automation

Alloy is a platform for building and managing SaaS integrations

Alloy is an integration platform used by Amazon, Gorgias, Postscript, & others to launch ERP, commerce, CRM, and various other integrations. Founded in 2019, the company is backed by $27M from a16z, Bain Capital Ventures, Y Combinator, and others.

YC W21
Alltruists logo

Alltruists

Kid-friendly, at-home volunteer projects in a box, delivered bimonthly

Alltruists is a subscription for at-home, kid-friendly volunteer & giving projects for families - delivered every other month. We give kids (and grown-ups!) a way to give back anytime, anywhere. Each box is themed around one big issue in the world - from homelessness to clean water to hunger to climate action and more - and guides kids to engage with that issue in positive, meaningful ways. In each box: A proprietary mini-book to help kids learn about the issue at hand 1-2 empathy-building activities to help kids connect with others' experiences 1-2 unique volunteer projects designed with incredible nonprofit partners Online giving experience where kids direct a $5 donation (included in the box) to one of three nonprofit partner projects (There are also a few surprises in each box, little things kids can keep as reminders or touchstones so they can easily reflect on the lessons learned.)

YC W19
Allure Systems logo

Allure Systems

A.I. to create stunning fashion images for eCommerce.

Allure Systems was Acquired by Farfetch (NASDAQ: FTCH) in Dec 2021. AllureSystems uses generative A.I. to create stunning apparel images for eCommerce. Allure works with leading fashion retailers to improve conversion rates by creating images that resonate with their clients in a scalable and cost-effective way. With a single photo of clothing, a brand can produce unlimited images, on any model, instantly. The ability to show styles on models in every size increases conversion rates and wow the customers. Without needing models or photographers on-site, brands can produce images for their product page at scale.

YC F25
Allus AI logo

Allus AI

Transforming manufacturing with next-gen Vision Foundation Model

Allus builds next-gen vision foundation models that bring real intelligence to quality inspection and process monitoring in manufacturing. Enabling factories to see, understand, and improve production in real time.

YC S22
Alma logo

Alma

Gamified mobile banking app where people can win $1M every Wednesday

YC X25
Almond logo

Almond

AI robots for manufacturing

Almond is building a vision-based AI robot for high-mix pick & place automation. We provide a fully-integrated robot-as-a-service that helps manufacturers save money and increase their revenue.

YC S22
Almond logo

Almond

We make it easy to get great ObGyn care in-person and over telehealth

Almond is like One Medical but for women’s health: we make it easy to get great ObGyn care fast, both at our in-person offices and over telehealth. The problem with traditional ObGyn practices is that physician time is misused, so patients get slow care. We're rebuilding back-office tech that saves physicians time, and we're hiring a wider range of care providers roles, which let us deliver better outcomes to patients and reduce the amount of time it takes to get their issue resolved.

YC W21
Alokai logo

Alokai

Frontend Platform for eCommerce

Alokai is an award-winning and pioneering global technology startup setting a new standard in online shopping. Alokai is a Frontend as a Service solution that simplifies composable commerce. It connects all the technologies needed to build and deploy fast & scalable ecommerce frontends.Founded in 2021, Alokai (prev. Vue Storefront) is a best-in-class composable commerce solution and market-leading Frontend as a Service currently used by 3000+ live stores around the world. With a remote, global team of 100+ people and offices in San Francisco and Warsaw, Poland, customers include Movado, SPAR Inc., or Brompton Bikes. Supported by 130+ partners and a community of 10,000+ developers, Alokai and its leaders are recipients of several industry awards, including Europe’s top tech startup prize and recognition from Forbes magazine.

YC W19
Alpaca logo

Alpaca

API-first stock and crypto brokerage platform

Alpaca is an API infrastructure and licensed financial services company that allows developers and businesses to offer stock and crypto investing to their end-customers. We work with more than 100 companies across the globe to enable their investing products, and our mission is to provide financial services to everyone on the planet. Alpaca’s globally distributed team consists of developers, traders, and brokerage business specialists and backed by a group of well-capitalized investors including Portage Ventures, Spark Capital, Tribe Capital, Unbound, Social Leverage, Horizons Ventures, Y Combinator as well as highly experienced industry angel investors and founders. We are also very tech-enthusiastic with notable track records in open-source and startup communities.

a16z SR004
Alpaka Games logo

Alpaka Games

Creating the next generation of hit Action mobile games

Alpaka Games is a self-publishing mobile game studio bringing the Rollic business model to the action genre. We’re focused on testing unique core mechanics—some proven, others a mix-and-merge of existing ones—allowing us to refine gameplay quickly without long, costly production cycles.. Our team, with expertise from Rollic and Codeway, focuses on delivering hybrid-casual actions with scalable monetization. Backed by a16z Speedrun, we are building the next generation of mobile hits from the ground up.

YC W21
Alpas logo

Alpas

Software for procurement departments to find suppliers 10x faster

Alpas provides data-driven sourcing for procurement departments of mid and large-cap manufacturing companies. We use ML methods to provide 360° views of suppliers and supply chains, benchmark suppliers globally and assess geopolitical as well as supplier-specific risks.

YC S18
Alpha Vantage logo

Alpha Vantage

Developer-friendly and enterprise-grade APIs for financial market…

Alpha Vantage provides enterprise-grade financial market data through a set of powerful and developer-friendly data APIs and spreadsheets. Whether you need traditional asset classes (e.g., stocks, ETFs, commodities), economic metrics, foreign exchange rates, cryptocurrencies, fundamental data or even technical indicators, Alpha Vantage is your one-stop shop for global market data delivered through REST APIs.

YC W16
AlphaFlow logo

AlphaFlow

AlphaFlow is a technology-driven investment manager.

Access. Transparency. Technology. Founded in 2015, AlphaFlow is a technology-driven investment manager providing professionally managed portfolios of real estate loans. We make the $75 billion fix-and-flip industry accessible to institutional investors. With the recent launch of our new platform, TITAN, we’ve opened up our institutional platform to smaller investors. As a result of leading with technology and data analytics AlphaFlow is able to provide transparency & speed at a rate our competitors can’t. We partner with non-bank real estate lenders who provide 6-12 month bridge loans on single-family and small multifamily properties by purchasing their loans thereby helping them grow their businesses. AlphaFlow uses software to streamline and automate today’s manual workflow and our engineering team is constantly developing simple and elegant solutions to further automate a manually intensive industry.

YC W23
AlphaWatch AI logo

AlphaWatch AI

Primary & Market Research

Alphawatch AI powers real-world market intelligence for Fortune 500s, $100B+ AUM investment funds, and global pharmaceutical leaders. We combine proprietary data with AI-driven, on-the-ground collection, reaching real operators in real time to surface forward-looking insights that inform billion-dollar market entries, acquisitions, and strategic decisions.

YC F25
Alt-X logo

Alt-X

AI Diligence Tools for Private Investors

Private markets are still opaque, manual, and locked inside Excel. Every year, trillions of dollars in venture, real-estate, and private-equity capital are deployed through diligence processes that haven’t changed in decades. Analysts spend hours parsing PDFs and spreadsheets just to understand what a company or property is worth. Alt-X is building the data and AI infrastructure layer for alternative assets — a system that ingests unstructured deal materials, normalizes the data, and generates institutional-grade analysis in seconds. Whether it’s a private-company dataroom or a real-estate offering memorandum, Alt-X extracts key KPIs like ARR, growth, NOI, IRR, and cap rate, then produces investor-ready dashboards and reports automatically. Our platform reduces deal evaluation timelines by up to 73%, saves 30–50 analyst hours per deal, and enables teams to screen 4× more opportunities with the same headcount. By automating KPI extraction, benchmarking, and underwriting, Alt-X transforms diligence from a manual bottleneck into a scalable process. This hasn’t been done at scale because private-market data is fragmented across formats and asset classes. Alt-X’s parsing engine unifies this chaos into a structured schema — the backbone for cross-asset underwriting, KPI dashboards, and automated risk scoring. Our first wedge is real estate and private equity, where underwriting is slowest and most manual. We’re already piloting with family offices and private funds managing over $200 million in assets, paying $1K–$5K per month to automate deal screening and valuation. The opportunity is massive: over $1.4 trillion in new private-equity and real-estate deals are underwritten globally each year, with $25–30 billion spent on diligence and analytics. Yet over 90% of this still happens manually. Alt-X’s mission is to become the operating system for private-market investing — the Bloomberg Terminal of the AI era.

YC W20
A

Altay Therapeutics

Altay develops disease-modifying therapies targeting transcription…

Altay develops small molecule drugs to treat chronic liver diseases like liver fibrosis and liver cancer. Our co-founder Dr. Osman Ozes, led the first drug development program for Esbriet (Pirfenidone), resulting in the first FDA approved therapy for lung fibrosis. Esbriet is now a $1 billion/year drug and has already made over $6 billion in revenue. With a team that has over 70+ years of small molecule drug development experience, we intend to do the same with chronic liver diseases, which affects over 20 million Americans and represents a market size of over $30 billion. We know we are well positioned for success because we have shown excellent pre-clinical mouse data in several liver fibrosis models using our novel small molecule. We demonstrate a reduction in fibrosis with our drug, but more significantly, we show a reversal in fibrotic tissue back to normal tissue. With our current developmental strategy, we hope to have a clinic-ready compound by the end of 2021 and be in phase I clinical trials by mid of 2022.

YC S25
Alter logo

Alter

Secure access control and authorization platform for agent workflows

Alter is a zero-trust identity and access control platform purpose-built for AI agents. It wraps every tool call in strong authentication, fine-grained authorization, and real-time guardrails, so agents can move fast without breaking things. Each request is verified at the parameter level, authorized against granular policies, executed with least-privilege access, and fully audited in real time. Unsafe actions, whether it’s a rogue DROP TABLE or a payment above policy limits, are blocked before they touch production. Behind the scenes, Alter manages credentials, issuing ephemeral, scope-narrowed access for every interaction, then rotating or expiring it in seconds. The result: no long-lived secrets, no blind spots, and no surprises in audit. With Alter, teams can move fast on AI agent initiatives while staying fully compliant with SOC 2, HIPAA, GDPR, and internal security standards. A CISO-ready dashboard delivers real-time visibility, detailed audit logs, and compliance-ready controls, removing silos, eliminating excessive permissions, and providing complete oversight of every agent workflow.

YC S22
Alterya logo

Alterya

Protecting Humans from Scams

Alterya helps financial institutions, fintechs, and crypto service providers prevent APP fraud by detecting scams targeting their users and exploiting their platform.

YC S20
Altro logo

Altro

Build Credit With Your Subscriptions

Altro (altro.io) is a platform that enables members to build credit no matter who they are, where they are from, or their history of credit access/score. We serve the 68M people in the US (mainly Women and POC) who are denied credit due to historical bias and the lack of access that current banks provide to credit building and tools. (It wasn't until The Equal Credit Opportunity Act in the 1970's that Women and "Minorities" could even get fair access to credit)! Altro has created a mobile that allows anyone to have access to credit, using their subscriptions as a means to start building their credit score. Altro lends to members a $75 Line of Credit to pay for their subscriptions, such as Netflix, Hulu, HelloFresh, etc. This card is built to solely work on the subscriptions that the member is already paying for, allowing them to securely use their $75 credit to build their credit using things they are already paying for. Doing this empowers folx who were denied credit a way to start building their score and financial power. Altro will service millions of people in not only building their credit, but also gaining access to the tools (such as personal loans, emergency funds, car/house loans and more) that they could not access prior.

YC S25
Altur logo

Altur

Voice AI Agents for Debt Collection

Voice AI Agents for Debt Collection

YC W20
Alude logo

Alude

We offer free software that automates bureaucracy for real-estate…

YC S24
Aluna logo

Aluna

Data for biomedical AI

We work with health organizations, to build curated datasets and evals for health AI. Currently focused on Oncology.

YC W22
Amal Invest logo

Amal Invest

Investing app for Muslims

Amal's an investing app for Muslims. Muslims only invest in Shariah-compliant business, but it's hard to know which businesses are compliant. That's because it's based on complex financial metrics that change over time. We take that burden away entirely. Amal can filter stocks but also, remarkably, funds. Set your filters up once, and you'll have access to a universe of investments that cater to your specific requirements. Sign up today at https://amalinvest.com