Boston Startup Hub

Welcome to the hub for the most groundbreaking and ambitious startups in Boston! Our directory has just landed, want to join us on this exciting journey?

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Featured Startups

Dive into our directory to uncover more innovations that are shaping the city's future.

VulcanForms

Manufacturing

VulcanForms

VulcanForms builds and operates advanced digital manufacturing infrastructure that enables the world's critical industries to innovate, grow, and deliver sustainable impact. A MIT-born company, VulcanForms has invented and commercialized the world’s first industrially scalable metal additive manufacturing (AM) solution and pioneered integrated digital production systems. Combining breakthrough technologies in additive and subtractive manufacturing, industrial automation, digital thread and engineering expertise, the company serves leading medical, defense, aerospace, and semiconductor companies, producing precision components and assemblies.

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Rezonate

Software

Rezonate

Rezonate.io is a cutting-edge Identity Centric Security Platform designed to fortify both human and machine identities against cyber threats throughout their entire access journey to business assets. With a bold proclamation that "A/B Testing is Dead," Rezonate.io champions a shift from traditional methods to AI-driven solutions. Their platform offers comprehensive features such as real-time monitoring of privileges and activities, risk reduction, and active threat mitigation. Recognized as a "Cool Vendor" in the 2023 Gartner® Cool Vendors™ in Identity-First Security report, Rezonate.io is committed to delivering an all-encompassing identity-first security platform that bolsters security posture, fortifies defense mechanisms, and facilitates effective threat remediation. Rezonate.io's platform is uniquely designed to discover, profile, and protect identities, ensuring secure access to cloud infrastructure and critical SaaS applications. It provides continuous exposure reduction by uncovering and rectifying weak authentication, misconfigured trust relations, and other vulnerabilities. Moreover, the platform's adaptive access engine optimizes security controls, ensuring that identities are managed efficiently.

Linus Health

Healthcare

Linus Health

Linus Health is a Boston-based digital health company focused on transforming brain health for people across the world. By advancing how we detect and address cognitive and brain disorders – leveraging cutting-edge neuroscience, clinical expertise, and artificial intelligence – our goal is to enable a future where people can live longer, happier, and healthier lives with better brain health. Our digital platform delivers a proven, practical means of enabling early detection; empowers providers with actionable clinical insights and recommendations; and supports individuals with personalized action plans. We are proud to support leading research institutions, life sciences companies, and healthcare delivery organizations.

Cellino

Biotech

Cellino

Cellino is building a scalable, automated biomanufacturing system for potentially curative personalized cell therapies. Cellino’s vision is to enable healthier lives worldwide with personalized treatments derived from induced pluripotent stem cells (iPSCs), which can serve as the basis for therapies for a host of chronic degenerative diseases, including vision loss and Parkinson's disease.

Reprise

Software

Reprise

Reprise empowers enterprise sales and marketing teams to build personalized, interactive demos that lead to greater conversions, shorter sales cycles, and more revenue. For sales and marketing leaders who strive to expertly showcase their products, Reprise is the only enterprise-class demo creation platform that fully integrates live demos, guided demos, and product tours to seamlessly show the value of your product at every phase of the buyer's journey. Launched in 2020, Reprise has been recognized as a leader in G2's winter 2023 report of best Mid-Market Content Experience Platforms. Backed by ICONIQ Growth, Bain Capital Ventures, Accomplice VC, and Glasswing Ventures, Reprise is changing how companies deliver demos.

Soofa

Software

Soofa

Founded in 2014 out of the MIT media lab, sustainable Soofa Signs are the leading solar-powered communication tool for cities and advertisers. Currently, Soofa Signs has homes in over 57 cities across the U.S. with plans to expand. Soofa advertisers are guaranteed high traffic, unique locations, countless ways to measure success, and a platform to update messaging in real time. We’ve worked with brands large and small like Harpoon, RedBull, New England Revolution, and Wayfair, proving that more businesses are emphasizing sustainable advertising practices. Additionally, cities like Boston, Atlanta, and Miami utilize Soofa Signs to create unique and engaging messaging with their communities thanks to our neighborhood news feed. If it’s an urgent message, or one just for fun, Soofa Signs make it easy to get information to your intended audience.

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Latest News

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July 22nd, 2025

Boston Tech Talks: Arnar Larusson from Tyme Wear

In this edition of Boston Tech Talks, Arnar Larusson, co-founder of Tyme Wear, shares how his background in biomechanics and engineering led to building a wearable tech startup—and why Boston’s unique mix of resources, talent, and community made it the ideal place to launch.