CONTACT
Here when you need us.
Whether you need help with a computer, a subscription, or your personal data, send us a note. We will treat your question like it is about your own workspace—because it is.
For faster help, please include the GitHub username connected to your account. Do not send passwords, private SSH keys, or payment-card details by email.
Subscriptions and access
You can manage or cancel an active subscription from My computer. The billing link remains available even when a setup fails or new sales are paused. If you cannot access your account, email us and we will help you recover access or explain your options.
Business information
Krzysztof Cybulski
Polish sole trader (JDG), trading as Just computer / justcomputer.dev
NIP: 5243021418
REGON: 540048490 · active VAT taxpayer
Głębocka 88/11
03-287 Warsaw, Poland
Last updated: 14 September 2026