Gitpedia

Client

The Hypothesis web-based annotation client.

From hypothesis·Updated May 28, 2026·View on GitHub·

[gha]: https://github.com/hypothesis/client/actions?query=branch%3Amain [npm]: https://www.npmjs.com/package/hypothesis [license]: https://github.com/hypothesis/client/blob/main/LICENSE The project is written primarily in Mustache, distributed under the Other license, first published in 2016. Key topics include: annotation, frontend, hypothesis, javascript.

Latest release: v1.1763.0
May 28, 2026View Changelog →

Hypothesis client

npm version
BSD licensed

The Hypothesis client is a browser-based tool for making annotations on web
pages. It’s a client for the Hypothesis web annotation service.
It’s used by the Hypothesis browser extension, and can also be
embedded directly into web pages.

Screenshot of Hypothesis client

Development

See the client Development Guide for instructions on building,
testing and contributing to the client.

Community

See our Contact page to join us on Slack, or
log in once you've already created an account.

If you'd like to contribute to the project, you should consider subscribing to
the development mailing list, where we can help you plan your
contributions.

Please note that this project is released with a Contributor Code of
Conduct
. By participating in this project you agree to abide by its terms.

License

The Hypothesis client is released under the 2-Clause BSD License,
sometimes referred to as the "Simplified BSD License". Some third-party
components are included. They are subject to their own licenses. All of the
license information can be found in the included LICENSE file.

Contributors

Showing top 12 contributors by commit count.

View all contributors on GitHub →

This article is auto-generated from hypothesis/client via the GitHub API.Last fetched: 6/1/2026