Discover the next generation of startups.

Andustry

YCombinator

We help manufacturers find suppliers for industrial equipment.

We are an AI-native broker, solving sourcing of machines and intermediate goods. We take over finding suppliers and getting the best quotes for our customers (based on price, quality, lead time, etc.). Our customers have limited resources for procurement and we help them reduce purchase prices by 30% on average.

Antigen

YCombinator

Continuous offensive security for the enterprise.

Antigen is an AI adversary for the enterprise. It maps, exploits, and secures your attack surface through nightly automated offensive testing and monthly human red team assessments. Every finding is delivered with traces, reproduction steps, and remediation directly in GitHub, Linear, or the Antigen Platform. We work with companies in financial services, healthcare, retail, and government where security is trust. We're backed by Lightspeed, DST Global, and Susa Ventures.

Anto Biosciences

YCombinator

A Foundation Model for Microbial Communities.

Anto is building a foundation model for microbial communities, making the gut microbiome computable for the first time. We predict drug toxicity and efficacy across diverse populations and fix drugs so they work for everyone — solving the hidden root cause of most drug failures. Founded by Arvid (Broad Institute of MIT and Harvard; Nature-published researcher who pioneered quality-aware, goal-directed sparsification) and David (Harvard Medical School Gastroenterology, J&J), second-time founders who published the breakthrough at leading machine learning AI conferences and Nature.

Apollo

YCombinator

Apollo helps engineering teams accelerate delivery

Apollo GraphQL is the leader in open source and commercial GraphQL technologies. Apollo’s open-source GraphQL client, server, and gateway are downloaded more than 17M times per month and used in production by over 30% of the Fortune 500. Customers like Walmart, Expedia, Glassdoor, Audi, and PayPal, use the Apollo Graph Platform to unify their GraphQL efforts, collaborate on graph development, and safely iterate on their graphs. Based in San Francisco, Apollo is backed by Insight Partners, Andreessen Horowitz, Matrix Partners, Trinity Ventures, Y Combinator and individual investors.

Apollo Atomics, Inc.

YCombinator

We make the most compact nuclear reactors

Apollo Atomics, Inc. is an innovative startup in the tech space.

Approxima

YCombinator

Your software should build itself.

Human-assisted development should be for novel ideation, not routine maintenance, bug fixes or incremental updates. Approxima is bringing you that future with agents that can scope work, code, validate their fixes end-to-end in sandbox environments and merge to production. Book a demo: https://calendly.com/ashish-selvaraj/approxima

AptDeco

YCombinator

AptDeco is the easiest way to buy and sell used furniture

AptDeco is a peer-to-peer managed marketplace dedicated for buying and selling quality used furniture. We offer a complete end-to-end process to bring back the joy of discovering amazing furniture finds for the home again. Our customers benefit from a trusted and verified community of buyers and sellers, pre-arranged pick up and delivery and a secure electronic payment process.

AquaShield

YCombinator

AI water leak detection for buildings

AquaShield protects large real estate portfolios against water damage (losses of up to hundreds of millions per year).

Ara

YCombinator

The Cloud Coding Agent

Ara is the cloud coding agent — an autonomous software engineer for software teams. It watches work in progress, plans the next step, and executes tasks with its own computer, background agents, persistent memory, and reusable skills. Unite your team that uses Claude and Codex and other coding subscriptions to code together in the browser. Ara turns coding into a closed loop: suggest, act, learn, improve.