Show HN: Tesseral – Open-Source Auth
Published on: 2025-06-17 20:27:42
Tesseral
Tesseral is open source auth infrastructure for business software (i.e., B2B SaaS).
Tesseral is a multi-tenant, API-first service designed to run on the cloud. It is not an authentication library tied to a particular language or framework; Tesseral works with any tech stack.
Most developers should start by using Tesseral's managed service, available at console.tesseral.com. You can also self-host Tesseral.
Key Features
Tesseral bundles everything that a developer needs to manage users in business software.
Get Started
Read the documentation
We encourage all developers to read the full documentation first, which is available at tesseral.com/docs. This README provides only a very brief subset of the docs to illustrate some basic ideas.
SDKs
Tesseral currently offers several SDKs for common web development frameworks.
Clientside SDKs React
Serverside SDKs Express Flask Golang
More SDKs, in particular Next.js, are in active development. If you do not see your prefer
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