Terms of Use

As of: February 2026

Section 1 – Scope and Provider

(1) These Terms of Use govern the use of the online platform and associated services (hereinafter "Platform") of

Jürgen Koller Software GmbH
Wilhelmstr. 5
74072 Heilbronn
Germany
Email: info@juergenkoller.software
Phone: +49 7131 9244166
Commercial Register: HRB 765195, Stuttgart District Court
Managing Director: Jürgen Koller

(hereinafter "Provider").

(2) These Terms of Use apply to all registered users (hereinafter "User") of the Platform. By registering a user account, the User agrees to these Terms of Use.

(3) For the purchase of software products via the Store, the General Terms and Conditions (GTC) additionally apply.

Section 2 – Connected Services

(1) The Platform comprises the following services, accessible via a shared user account:

(2) The Provider may expand, modify, or discontinue individual connected services at any time. The User will be informed of significant changes in a timely manner.

(3) Additional, service-specific terms may apply to individual services, which the User will be notified of upon first use.

Section 3 – User Account

(1) Registration: Use of the Platform requires the creation of a user account. Registration is free of charge. The User may register directly with an email address and password or via a supported OAuth provider (e.g., Google).

(2) Accuracy of information: The User is obligated to provide truthful and complete information during registration and to update this information promptly in the event of changes.

(3) Credentials: The User is responsible for maintaining the confidentiality of their credentials (password, OAuth connections). The User is liable for all activities carried out through their account, unless the unauthorized use is not attributable to them. In case of suspected misuse, the User is obligated to inform the Provider immediately and change their password.

(4) Minimum age: A minimum age of 16 is required for registration. Minors aged 16 and over require the consent of a legal guardian.

(5) One account per person: Each User may maintain only one user account. The creation of multiple accounts by the same person is not permitted.

Section 4 – Permitted Use

(1) The User may use the Platform and connected services exclusively for their intended purpose and in compliance with applicable law.

(2) The User is specifically prohibited from:

  • using the Platform for unlawful, fraudulent, or abusive purposes;
  • transmitting content that violates applicable law, in particular the copyrights, trademarks, or personality rights of third parties;
  • jeopardizing the security or integrity of the Platform, in particular through attempts to gain unauthorized access to systems or data of other users;
  • performing automated access (bots, scrapers, crawlers) to the Platform unless expressly authorized;
  • using the Platform in a manner that disproportionately impairs its operation or use by other users.

(3) The Provider reserves the right to take the measures described in Section 7 in the event of a violation of these Terms of Use.

Section 5 – Availability

(1) The Provider endeavors to ensure the Platform is available without interruption. There is no entitlement to continuous availability.

(2) The Provider is entitled to temporarily restrict access to the Platform insofar as this is necessary for maintenance, security, or technical development purposes. Planned maintenance work will be announced in advance where possible.

(3) The Provider is not liable for outages or restrictions attributable to force majeure, disruptions by third-party providers (e.g., hosting providers, payment service providers), or other circumstances beyond the Provider's control.

Section 6 – Intellectual Property

(1) All content of the Platform (texts, graphics, logos, software, databases) is protected by copyright and is the property of the Provider or the respective rights holders.

(2) The User is granted a simple, non-transferable right to use the Platform for its intended purpose. Any use beyond this, in particular the reproduction, distribution, or making publicly available of content, requires the prior written consent of the Provider.

(3) Usage rights for purchased software products are governed by the GTC (Section 6 – Usage Rights and License).

Section 7 – Suspension and Termination

(1) Termination by the User: The User may delete their user account at any time without giving reasons via the Account Portal or by requesting deletion by email to support@juergenkoller.software. Deletion will be carried out without undue delay.

(2) Suspension by the Provider: The Provider is entitled to temporarily suspend or permanently delete a user account if

  • the User violates these Terms of Use;
  • there is a reasonable suspicion of account misuse;
  • this is necessary to protect other users or the Platform.

(3) Before permanent deletion, the User will, where possible, be informed at the registered email address and given an opportunity to respond, unless immediate suspension is necessary to avert danger.

(4) Consequences of account deletion: Upon deletion of the user account, the User's personal data will be deleted in accordance with the Privacy Policy. Licenses already acquired for software products remain valid and can be restored via support if needed.

Section 8 – Liability

(1) The Provider's liability is governed by the provisions set out in the GTC (Section 9 – Limitation of Liability), which apply accordingly.

(2) The Provider is not liable for content and data entered or stored by the User. The User is responsible for regularly backing up their own data.

Section 9 – Data Protection

For information on the processing of personal data, please refer to our Privacy Policy.

Section 10 – Final Provisions

(1) The law of the Federal Republic of Germany applies. If the User is a consumer, the mandatory consumer protection provisions of the state in which the User has their habitual residence shall remain unaffected.

(2) The Provider reserves the right to amend these Terms of Use with effect for the future. The User will be informed of changes by email. If the User does not object to the amended Terms of Use within four weeks of receipt of the notification of change, the amended Terms of Use shall be deemed accepted. The Provider shall draw the User's attention to the significance of the deadline and the consequences of silence in the notification of change.

(3) Should individual provisions of these Terms of Use be or become invalid or unenforceable, the validity of the remaining provisions shall remain unaffected.

(4) The contractual language is German.