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.

104Companies

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All VCsYCombinator

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Flightfox logo

Flightfox

YCombinator

A platform to plan, book and manage global and group travel.

Flightfox is a travel management platform for organizations with complex travel needs. We combine technology with human expertise to plan, search, book, monitor and manage global and group travel. We typically work with study abroad programs, humanitarian organizations, and other organizations with global reach.

Boulder, COY Combinator LogoSummer 2012ActiveB2BTravel
GitPrime logo

GitPrime

YCombinator

Visibility and analytics for software development leaders.

Acquired by Pluralsight in May 2019

Durango, COY Combinator LogoWinter 2016AcquiredDeveloper ToolsSaaSB2B
GiveCampus logo

GiveCampus

YCombinator

The fundraising platform for schools.

GiveCampus is the world's #1 fundraising platform for non-profit educational institutions. Trusted by millions of donors and more than 1,500 colleges, universities, and K-12 schools, our mission is to advance the quality, the affordability, and the accessibility of education. Since 2015, we have facilitated more than $7 billion in charitable giving.

Washington, DCY Combinator LogoSummer 2015ActiveEducationFintechSaaSB2B
Giveffect logo

Giveffect

YCombinator

Fundraising, Volunteer and Donor Management SaaS for nonprofits.

Giveffect provides a powerful all-in-one software platform exclusively for nonprofits. We offer fundraising, events, online donations, volunteer management, donor management, marketing, constituent relationship management software, and more. We are well positioned for rapid expansion in the coming years and have garnered top industry recognition for our platform.

New York City, NYY Combinator LogoWinter 2015ActiveSaaSNonprofitB2B
Glen logo

Glen

YCombinator

Unified organizational context for agents and humans

Glen is unified context for every agent and human on your team. Most MCP tools hand an agent a slice, one Slack thread, a single diff, and leave it to stitch the rest together itself. Glen reads from where your work already lives, code and PRs, issues, docs, and meetings, reconciles it, and gives your agents the full picture instead. With Glen a coding agent knows why a line was written, not just what it says. Ask a PR assistant anything about a change and the clarifying-question relay disappears. Bug bots read the intent behind the code before they comment, so they stop flagging deliberate choices as defects and stop repeating mistakes they already made. A sales agent can coach your head of sales off the full account history, how teammates handle similar calls, what was promised, where the deal stalled, etc. As the work gets done, Glen also distills it into skills and offers them back to the next agent, or person, who hits the same task.

San FranciscoY Combinator LogoSummer 2026ActiveArtificial IntelligenceGenerative AIB2BSan Francisco
Guesty logo

Guesty

YCombinator

The management platform for the short term rental industry.

Guesty’s property management software provides property managers and management companies with an end-to-end solution to simplify the complex operational needs of short term rentals. With Guesty, users can manage listings from multiple online travel agencies including Airbnb, Booking.com, Agoda and TripAdvisor, and utilize the company’s guest-centric tools including: Unified Inbox, Automation Tools, 24/7 Guest Communication Services, Payment Processing and more.

New York City, NYY Combinator LogoWinter 2014ActiveSaaSB2BTravelProptech
Gusto logo

Gusto

YCombinator

Provides growing businesses with everything to take care of their team

Launched in 2012 as ZenPayroll, Gusto serves more than 300,000 businesses nationwide. Each year we process tens of billions of dollars of payroll and provide employee benefits—like health insurance and 401(k) accounts—while helping companies create incredible work places. Through one refreshingly easy, integrated platform, we automate and simplify your payroll, benefits, and HR, all while providing expert support. You and your employees will get the peace of mind you need to do your best work.

San FranciscoY Combinator LogoWinter 2012ActiveB2BPayrollHealth InsuranceSan Francisco
Helonic logo

Helonic

YCombinator

Automatic Construction Drawing Clash Detection

We help construction teams eliminate rework, delays, and drawing confusion before construction starts.
We analyze PDF plans, detect clashes and inconsistencies across disciplines, and create draft RFIs so teams can resolve issues early. This saves construction companies hundreds of hours and millions of dollars. What we do: - Automatically detect clashes, missing information, and drawing mismatches - Align architectural, structural, and MEP plans so everything matches across sheets - Generate draft RFIs from issues we find - Replace long page-turn meetings with instant drawing analysis - Reduce rework and prevent schedule delays before boots hit the ground We integrate with:
Procore, Autodesk, email, and the tools teams already use Teams use us to: - Save hundreds of thousands to millions of dollars per project - Catch design and coordination issues early - Reduce RFIs and prevent field fixes - Keep projects on schedule with fewer surprises Contact us at founders@usearticulate.com

San FranciscoY Combinator LogoFall 2025ActiveArtificial IntelligenceConstructionB2BWorkflow AutomationArchitectureSan Francisco
Imagine AI logo

Imagine AI

YCombinator

We reverse engineer B2B growth, starting with LinkedIn.

Imagine AI is a research and software company reverse engineering modern B2B growth, starting with LinkedIn. We build coordinated content systems for executive teams, where the CEO, VP of Sales, and Head of Marketing post aligned narratives from a single calendar, producing compounding reach that single-founder posting cannot reach. 50+ B2B companies are now using Imagine AI, including MongoDB, Rippling, Slash, and Corgi Insurance. Customers have generated $31M in attributed revenue, 12M impressions, and 1,400 hours of executive time saved.

San FranciscoY Combinator LogoFall 2025ActiveArtificial IntelligenceB2BSalesMarketingSan Francisco
Infera logo

Infera

YCombinator

Control lab instruments with natural language.

Describe an experiment in plain English, and Infera turns it into a validated, instrument-ready run across the equipment your lab already uses. Infera handles the protocol logic, vendor-specific scripts, data, inventory, and institutional knowledge in one system. An AI-native compiler for the lab: one system from intent to execution.

San FranciscoY Combinator LogoSpring 2026ActiveSaaSB2BBiotechAutomationAISan Francisco
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