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First Time Users - Get the Curl RTE

Curl RTE Download

The Curl runtime environment (RTE) is the runtime engine that executes Curl applications and renders the resulting content on a client machine. The Curl RTE is provided free of charge and you need to install it on your client machine before using Curl applications on that machine.

Curl Version 6.0 Beta Downloads

6.0 Beta Download

The Version 6.0 Beta release is intended for developers who want to get an advance look at the new features available in the forthcoming Version 6.0 release of the Curl RTE and Curl/Pro IDE. Some of the new features include:

  • High Quality rendering mode
  • Skinnable Controls
  • Style Sheets
  • Outside Margin and Shadows for GUI objects
  • Curl serialization support for Java
  • Add JSON parse and format support
  • Add support for Flash cross domain.xml file to allow unprivileged access to a web server
  • TIFF file support
  • Images on the Clipboard

Curl Mac Beta Downloads

Mac Beta Download

The Mac Beta release of the RTE is intended for developers who want to see their applets run on the Macintosh. Please give us your feedback by sending a message to macbeta@curl.com.

Curl Developer Downloads

Curl IDE Download

The Curl Integrated Development Environment (IDE) helps you develop Curl applications. It includes tools such as a source-code editor, a debugger, a drag-and-drop Visual Layout Editor, project management and deployment tools, and comprehensive documentation about the Curl platform.

Server Licenses

Server License Download

When you are ready to deploy a Curl application, you will need a server license. If you are a noncommercial user, you may be able to use a Curl/Personal server license, available at no charge.

Older Versions of the Curl RTE

Curl RTE for Previous Versions Download

You can download previous versions of the Curl RTE to access Web sites written to use those versions.