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.

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.

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BIY China

Software

Education

BIY China

Build-It-Yourself offers an art and engineering program driven by technology-in-education research at MIT. Our mission is to inspire and guide the next generation of builders to use technology creatively in a unique global laboratory.

Coin Metrics

FinTech

Coin Metrics

Coin Metrics is an all-in-one crypto financial data provider for institutions. We deliver transparent and actionable data and analytics to industry stakeholders, including crypto and traditional funds, asset managers, research desks, exchanges, and global investment banks.

Spoiler Alert

Software

Spoiler Alert

Transforming excess inventory from a problem into a profit. Spoiler Alert is a B2B sales software company helping CPG manufacturers and distributors to manage excess and slow-moving inventory by digitizing the liquidation process. Our goal is to help our customers recover value for products that otherwise would be wasted, allowing them to increase profits, strengthen customer relationships, increase the effectiveness of supply chain managers, and allow for more accurate demand planning. Founded by alumni of MIT, Spoiler Alert works with some of the world's largest companies, including Campbell Soup Company, Danone North America, HelloFresh, KeHE Distributors, Kraft Heinz, Mondelēz, Johnsonville, and Nestlé, along with a growing network of discount channels committed to increasing affordable food access.

Mainstay

At Mainstay, we believe one conversation can spark a brighter future. Our Engagement Platform makes it easy for colleges and businesses to start and measure conversations that drive action at scale. From our rigorous research methods to our Behavioral Intelligence framework — everything we do is designed to help people take the next step toward achieving their goals.

Emulate

Healthcare

Emulate

Emulate Inc. is a privately held company that creates advanced in vitro models for understanding how diseases, medicines, chemicals, and foods affect human health. Our lab-ready Human Emulation System® includes three components: Zoë® Culture Module, Organ-Chips, and analytical software applications. The platform provides a window into the inner workings of human biology and disease—offering researchers a new technology designed to predict human response with greater precision and detail than conventional cell culture or animal-based experimental testing. Research conducted using our Organ-Chips has been published in high-impact scientific journals, including Science. In addition, Organ-Chips have been acquired by the Museum of Modern Art (MoMA) in New York for their permanent collection and have also been awarded Product Design of the Year 2015 by London’s Design Museum.

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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.