Companies

Harmonic
Harmonic is a telecom hardware vendor building hardware for DOCSIS cable, PON fiber and mixed deployments. We create solutions for MSOs and network operators with a focus on hardware and deployment configurations.
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Harmony AI
The AI operating system for American manufacturing — an AI layer that runs your plant on real-time data, connecting machines, software, paperwork, and tribal knowledge. We embed on factory floors. Many roles are deployed: you relocate to a plant and ship inside the environment it runs in. High ownership, high equity, founder-led.
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Harmony Intelligence
Harmony Intelligence is building a defensive AI AppSec agent to protect mission-critical software from AI cyberattacks. They have recently raised $3M for this purpose.
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HarperDB
HarperDB is an innovative software company that recently secured significant series A funding. HarperDB’s platform combines database, caching, application, and streaming functions into a single technology to improve performance and reduce costs for Fortune 100 companies.
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Hartwig Medical Foundation
Hartwig Medical Foundation is developing a diagnostic whole genome sequencing test for tumors to speed-up the uptake of personalized cancer treatments for patients in the Netherlands. They are building an algorithm that integrates molecular and clinical data to create comprehensive treatment reports.
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Harvard Library Innovation Lab
The Harvard Library Innovation Lab is a software product studio and research lab embedded in the Harvard Law School Library, with a mission of bringing library principles to tech. They build software platforms like Perma.cc and the Caselaw Access Project; publish open source tools for access to knowledge; and host research fellows.
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Harvard SEAS
Harvard SEAS is working on a new project around AI for precision medicine, focusing on combining biomedical knowledge graphs and large language models into a biomedical-fluent core platform, and UI for data-rich programmable systems.
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Hashboard
Hashboard is the best business intelligence platform for technical data teams. We’ve built an interactive, self-service analytics tool and paired it with a rich developer platform for CI/CD -— think Terraform for dashboards. We are a well-funded, ambitious seed-stage New York City startup backed by top-tier product and data investors. Our team has experience as early employees of successful startups and in big tech. We have early product-market fit and a growing list of paying customers.
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Hatchet
Hatchet is developing an open-source, distributed task queue. The company is founded by two second-time YC founders and recently completed the YC W24 batch.
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Haven Headache
We're building a virtual-first headache and migraine clinic, making expert care more accessible for the millions of people who suffer from these debilitating conditions.
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