Terms of Service

These terms apply to your use of Zenzei. You agree to them when you create an account. If you do not agree, please do not use the platform.

What Zenzei is

Zenzei is an educational platform. You write code in your browser, we run it on our infrastructure, and we show you the results. Zenzei is currently an open beta: it is provided free of charge for testing and is under active development.

Your account

• You need an account to run code. One account per person.
• You are responsible for keeping your password secure and for activity that happens under your account.
• You must be old enough to form a binding contract where you live.
• You can stop using Zenzei at any time and ask us to delete your account.

Code you submit

You keep ownership of the code you write. By submitting it you give us permission to store it and to execute it on our infrastructure for the purpose of returning results to you.

You agree not to submit code that:

• attempts to escape the execution sandbox, access other users' data, or reach systems it was not given access to;
• is designed to consume excessive resources, disrupt the service, or deny it to others;
• infringes someone else's rights, or that you do not have the right to submit;
• is unlawful, or is intended to cause harm.

We run submitted code in a constrained environment with limits on time, memory, and network access. We may queue, throttle, or refuse runs to keep the platform available for everyone.

Our content

Lessons, demos, written explanations, and the platform itself remain ours. You may use them to learn, including at work. You may not republish or resell them as your own.

What the beta means

Zenzei is provided “as is”. It is beta software: features change, runs can fail or queue, and the simulator is still maturing. Results may be wrong. Do not rely on Zenzei as the sole verification of a design that matters — and please report bad results using the feedback button, which is exactly what it is for.

• The simulator runs on our own hardware and is not online 24/7. We do not guarantee uptime or availability.
• We may change, remove, or discontinue features, content, or the service itself.
• Projects, submissions, and other data created during the beta may be reset or may not carry over to later versions of the platform. Keep your own copy of any code you want to keep.

To the extent the law allows, we are not liable for losses arising from your use of the platform.

Feedback

If you send us feedback, bug reports, or suggestions, we may use them to improve Zenzei without any obligation to you.

Ending access

We may suspend or close an account that breaks these terms, particularly where the execution sandbox is being abused, since that affects everyone else using the platform.

Pricing

Access is free during the beta. What will be free or paid after the beta has not been decided. We will tell you before anything changes, and you will not be charged without agreeing first.

Changes

We may update these terms as the platform develops. Material changes will be reflected in the “last updated” date above, and we will ask you to accept them before they apply to you.