Tesseral

Tesseral raises $3.3M Seed funding to accelerate open source authentication development

11th May, 2025

Chris Davis

Writer

Tesseral raises $3.3M Seed funding to accelerate open source authentication development

What does Tesseral do?

Tesseral offers an open source authentication infrastructure that enables B2B software companies to secure their applications, allowing developers to focus on building core features without compromising on security.

How much did they raise?

The company raised $3.3M in Seed funding, led by prominent investors including Y Combinator, Jessica Livingston, and Paul Graham, with additional participation from Calvin French-Owen, Steve Bartel, Nick Bushak, and Mike Wiacek.

What are their plans for the money?

Tesseral intends to use the funds to accelerate the development of its comprehensive authentication platform, potentially revolutionizing how B2B software companies integrate secure authentication solutions into their products.

What have they achieved so far?

The company has already made strides by establishing a robust open source authentication platform that empowers developers to maintain a strong security posture while focusing on core product development.

Key Contacts

Ned O'Leary
Cofounder & CEO

Company Links

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