As of December 31, 2024 Highstock .NET is licensed under the open source BSD 3-Clause License.

Prior to December 31, 2024:

A license is required per developer working on the software.

Highstock .NET Developer License:

• Allows a specified number of developers to create interactive charts using the Highstock API without the Javascript Language.
• Is easily implemented in ASP.Net WebForms or MVC.
• Follows the current major version of Highcharts JS.

Any and all developers working with the software will need a license. Quantity discounts are available for 5 or more developers.

Advantage
All new licenses come with a full year of Advantage.
As long as you have an active Advantage, you are entitled to all minor and major releases, in addition to access of Highsoft's premium support offerings.

Standard Support if you have no active Advantage provides:

• 1 hour of support per developer.
• Access to the Highcharts Forum.
• Access to 1st line support.
• Guaranteed 36 hours response time, working days CET.

Premium Support is included with Advantage and provides:

• 10 hours support per developer.
• Updates to minor releases.
• Updates to major releases.
• Access to the Highcharts Forum.
• Access to 1st line support.
• Guaranteed 24 hours response time, working days CET.
• Access to 2nd line support by core developers.
• Chat support**.
• Emergency hot fixes.
• Guiding and advice on implementing Highcharts (with third party systems and platforms).

** Chat support is not offered for the Highcharts .NET, Highstock .NET, Highcharts iOS and Highcharts Android, or Highcharts Mobile Wrapper Licenses.

Advantage Renewals
To ensure access to the newest features and premium support offerings, you need an active Advantage subscription plan. Renewals are available after the initial Advantage term. Highsoft offer renewals for 12 and 24 months. Please contact us for multi-year options.