Founders Directory LogoFounders Directory

Discover the next generation of startups.

A curated directory of high-growth companies backed by the world's most prestigious venture capital firms.

914Companies

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Mio logo

Mio

YCombinator

Mio powers seamless communication between workplace chat apps.

Mio powers seamless communication between Slack, Microsoft Teams & Webex Teams. The Austin, Texas-based company was founded by Tom Hadfield and James Cundle in November 2015. M.io has raised $12m from investors including Goldcrest Capital, Eniac Ventures, Two Sigma Ventures, Khosla Ventures, Y Combinator and Capital Factory. Ready to sync your teams? Learn more and get started at https://m.io/

Austin, TXY Combinator LogoWinter 2016ActiveSaaSMessagingTeam CollaborationAustin
Mireye logo

Mireye

YCombinator

Infrastructure for Physical World AI Agents

AI agents are starting to act in the real world, but they can't reliably understand it. Geospatial data is complex, fragmented, and unstructured. Ask a model a specific question about a specific place and it guesses. Our API and MCP give agents cited answers about any location. Our mission is to index every inch of the earth, and make it as queryable as the web.

San FranciscoY Combinator LogoSummer 2026ActiveArtificial IntelligenceGeographic Information SystemLocation-basedSan Francisco
Miso Labs logo

Miso Labs

YCombinator

Emotive foundation voice models

Miso Labs is building the world’s most emotive foundation models for voice. Our goal is to pass the voice Turing test.

San FranciscoY Combinator LogoSpring 2026ActiveSan Francisco
MixerBox logo

MixerBox

YCombinator

AI Super-Apps to Live Easier | The anything anytime superapps…

MixerBox is an AI Super-Apps technology company that helps people live easier through its 24/7 daily-essential mobile apps platform. Founded in 2012 by Harvard alumnus John Lai, MixerBox is backed by the Silicon Valley unicorn accelerator Y Combinator. The company’s apps have surpassed 300,000,000 downloads worldwide, and allow MixerBox users to wake up to MixerBox AlarmTunes, read MixerBox NewsDash, browse with MixerBox ChatAI Browser, pay with MixerBox AI Pay, watch MixerBox FreecableTV, and fall asleep with MixerBox Inspire Meditation. App by app, MixerBox strives to become the “Anything, Anytime Super-Apps Platform” to help people live easier.

Los Angeles, CAY Combinator LogoWinter 2014ActiveGenerative AIConsumerProductivityAILos Angeles
Mixpanel logo

Mixpanel

YCombinator

Mixpanel is event analytics for builders that need answers.

Mixpanel is analytics for builders that need answers from their data at their fingertips. When everyone in the organization can see — and learn from — the impact of their work, they are poised to make better decisions. Companies like OpenAI, Netflix, Pinterest, sweetgreen, CNN, samsara, Uber, and Yelp use Mixpanel to understand their customers, measure progress, and endeavor to make better decisions.

San FranciscoY Combinator LogoSummer 2009ActiveB2BAnalyticsData VisualizationCloud ComputingDatabasesSan Francisco
Mixy logo

Mixy

YCombinator

Make mashups without knowing how to DJ

Live out your DJ dreams with Mixy, the mind-blowing music app that lets you mash-up any song in seconds. ⁕ Add your songs ⁕ Instantly blend vocals and beats ⁕ Play and share your mashup anywhere There’s no limit to your imagination! ⁕ Launched to #1 in Music on June 19th ⁕ 1.5M users in 3 months ⁕ 15M mashups made and growing

San Francisco, CAY Combinator LogoFall 2025ActiveArtificial IntelligenceConsumerEntertainmentSocialMusic
MochaCare logo

MochaCare

YCombinator

Agentic Management Service for Care Organizations

MochaCare is an agentic management service for care organizations. We handle hiring, scheduling, and client intake end-to-end so our partners can focus on growth.

San FranciscoY Combinator LogoWinter 2026ActiveSan Francisco
Mochatrade logo

Mochatrade

YCombinator

US stock perps for Indian traders

Mochatrade lets global traders trade perpetual futures on US stocks with up to 20x leverage. Access 50+ US stocks including TSLA, NVDA, AAPL. Mocha is fully self-custodial and no US brokerage account is needed. Traders on-ramp in local currencies and get professional-grade execution on the world's most liquid equities. Starting with India (140M+ demat account holders), and expanding across other markets.

San FranciscoY Combinator LogoSpring 2026ActiveSan Francisco
Mod AI logo

Mod AI

YCombinator

Touchless AP Automation

We're building the first fully autonomous accounts payable platform. Our AI clerks handle your entire AP workflow: invoice processing, GL coding, PO matching, approvals, responding to vendors, fraud detection and reporting. From the moment an invoice hits your inbox to the moment it's paid, no manual steps required. We integrate with 16+ ERPs including QuickBooks, NetSuite, SAP, Dynamics 365, and Workday. Find out why enterprise teams choose Mod AI at usemod.ai.

San FranciscoY Combinator LogoFall 2025ActiveArtificial IntelligenceFintechFinanceEnterpriseSan Francisco
Moda logo

Moda

YCombinator

The monitoring layer your AI agents need.

Moda is the reliability & monitoring layer for agents. It surfaces patterns across agent hallucinations, laziness, forgetfulness, and tool call failures. While also providing analytics on user frustration, net promoter score, retention, and churn rates. In the next 10 years, with more AI agents spawning and trying to get PMF, developing an agent that actually works for users is critical. Everyone has access to the same models, thus the ones that win on a product level will be the ones who learn fastest from real usage. Moda is that learning layer.

San FranciscoY Combinator LogoWinter 2026ActiveSan Francisco
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