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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LegalOS logo

LegalOS

YCombinator

The AI-Native Immigration Law Firm

LegalOS is an AI-native immigration law firm that combines cutting-edge technology with 40+ years of legal expertise. We’ve studied 12,000 successful petitions to design our process - which allows us to deliver top-quality visa applications in as quickly as 48 hours. Our specialized AI agents draft petition narratives, compile evidence, and anticipate USCIS objections - work that traditionally takes attorneys weeks, if not months. Every case is reviewed and signed by licensed immigration attorneys with 40+ years of experience, so companies get both speed and reliability. We support O-1, H-1B, L-1A, L-1B, TN, EB-1A, EB-1C, and EB-2 NIW petitions. Our unique approach works. We’ve filed dozens of visa applications and have a 100% approval rate so far. The U.S. processes 1M+ work visas annually—a market where incumbents still operate on fax machines, email, and 1990s case management software. We're building the modern immigration law firm.

San FranciscoY Combinator LogoWinter 2026ActiveSan Francisco
Lemma logo

Lemma

YCombinator

Production Monitoring for AI agents

Lemma catches the silent, semantic failures your observability tools miss, where your AI agent looks like it worked but didn’t. We scan every trace to surface issues before users complain, identify root causes, and help you fix them without manual digging, so your agents improve over time.

San FranciscoY Combinator LogoFall 2025ActiveArtificial IntelligenceDeveloper ToolsB2BInfrastructureAISan Francisco
LemonLime logo

LemonLime

YCombinator

No-code AI that learns your business and self-creates automations.

LemonLime enables any business to deploy custom AI automations in minutes. It connects to your existing tools to pull information across sources, studies your business, and instantly creates specialized agents designed to support your team across departments. Don't know where to start? LemonLime automatically surfaces suggested automations that can be implemented with a single click.

San FranciscoY Combinator LogoSummer 2026ActiveSaaSWorkflow AutomationAISan Francisco
Level Frames logo

Level Frames

YCombinator

Software eats custom framing

Level Frames is making it more convenient, affordable and intuitive to custom frame posters, prints, photos and more. By bringing the entire experience online and offering amazing support, we can help make your walls in your home or office look amazing at a fraction of the price and turnaround time of a traditional frame shop. Level was founded in 2014 and is based in New York, United States.

New York City, NYY Combinator LogoWinter 2015ActiveE-commerce
Lever logo

Lever

YCombinator

Talent Acquisition Suite that combines ATS + Talent CRM

Lever is one of the most recognized brands in talent acquisition software for high growth companies. We enable teams to post jobs, source, interview, and hire top talent. We've combined ATS & CRM into a single platform, Lever TRM. Our Talent Acquisition Suite also includes tools for recruitment marketing and analytics: Lever Nurture, Lever Advanced Analytics, and Lever Data Warehouse Sync. Our customers include Netflix, KPMG, Spotify, Talend, Cirque du Soleil, and over 5000 other customers. Lever has raised $123 million in funding from Apax Digital, Adam Street Partners, Scale Venture Partners, Matrix Partners, and Y Combinator among others. With an overall gender ratio of 50:50, Lever is also fiercely committed to building a team culture that celebrates diversity and inclusion. For more information, visit https://www.lever.co/.

San FranciscoY Combinator LogoSummer 2012AcquiredSaaSHuman ResourcesTalent AcquisitionSan Francisco
Levocred AI logo

Levocred AI

YCombinator

AI for every workflow inside a credit team

Levocred AI is the Company Brain for credit teams — an AI employee that plugs into the fund's loan tape, credit agreements, servicer reports, and bank feeds, and runs the workflows analysts would otherwise grind on.

San FranciscoY Combinator LogoSummer 2026ActiveLendingInvestmentsSan Francisco
Libra Robotics logo

Libra Robotics

YCombinator

Autonomous robots for solar farm construction

Libra Robotics is an innovative startup in the tech space.

San FranciscoY Combinator LogoSummer 2026ActiveRobotic Process AutomationSolar PowerSustainabilitySan Francisco
Light Anchor logo

Light Anchor

YCombinator

AI-run consumer brands

Light Anchor (YC P26) builds AI-run consumer brands that run at the speed of compute. Consumer brands have always been limited by the speed of humans: hiring, coordinating, and sleeping. AI agents that now run operations end-to-end break all those constraints, making a new kind of consumer business possible: one capped by compute, not headcount. Today, Light Anchor operates one flagship brand and multiple experiment stores, all run by AI agents on a shared platform that compounds with every new brand launched. The vision is thousands of consumer businesses, operating with little to no human intervention.

San FranciscoY Combinator LogoSpring 2026ActiveArtificial IntelligenceE-commerceSan Francisco
Lightsprint logo

Lightsprint

YCombinator

Collaborative product development with cloud agents

Lightsprint is a collaborative platform for software teams to plan visually, preview live and ship with an army of cloud agents. Your whole team, including non-engineers, can now ship end to end reliably. The company is founded by Ben Ong, an AI investor who previously scaled AI products at SEA Group (NYSE: SE) and Temasek ($300B fund), Benedict Chan who was VP Engineering at Chainlink and CTO at BitGo (NYSE:BTGO), and Heng Hong Lee who built Facebook Messenger in 2013 and was Director of Engineering at Fazz (YC S17).

San FranciscoY Combinator LogoSpring 2026ActiveSan Francisco
Limrun logo

Limrun

YCombinator

Extend cloud sandboxes with iOS, Android and more

Coding agents in the cloud don't work for majority of teams who require native capabilities; they lack XCode for iOS, Emulator for Android, Unity for game development teams. We are on a mission to cloudify every local development utility so that regardless of where it runs, your agent can compose an ideal set of capabilities on the fly so you don't need to run it on your laptop. Today, we provide remote services such as XCode, iOS & Android simulators to enable coding agents running in any sandbox to be able to build and iterate over mobile apps, too. Replit, Rork, Momentic, Minitap and more agent companies have built mobile development and testing experiences on Limrun platform. Coconote (Quizlet), SorceJobs (W25) and more companies with mobile apps use Limrun with their cloud agents, merging PRs without having to check out the code locally.

San FranciscoY Combinator LogoSpring 2026ActiveSan Francisco
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