Short answer: Yes - use them for whatever you want!
The images and interactive charts you create with chartle.net are yours to use in any way you choose. You may use them in your blog, annual business reports, print them in brochures and what not. Compared to other web services chartle.net is actually pretty non-binding towards its users. No forced registration, save images directly to your desktop, embed images in your web site, what have you.
In return we want you to spread the word about chartle.net and make it more popular. This means, if you use a Chartle we count on your kindness to let people know how you created it by attributing it to chartle.net
|Images created by the Chartle.net web application are licensed under a Creative Commons Attribution 3.0 United States License.|
A misconfigured firewall often prevents the Chartle applet from running. Can you download the following file: http://www.chartle.net/chartle1997.jar? If not, then you must either turn off your firewall or configure it to permit JAR files.
If it's still not working you may send a problem description to firstname.lastname@example.org. Include information about your OS (Windows/OSX/Linux/Solaris), your browser, browser version and the version of Java you are running. We try to get back to you as soon as possible.
The text and design of the web site itself are licensed as follows:
|Chartle.net by Dieter Krachtus is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 United States License. You may not use the text or design of the Chartle web site itself in any commercial enterprise, nor may you create a derivative work.|
You may not copy or redistribute the Chartle applet itself under any circumstances. You may not decompile or reverse-engineer the applet and then make a derivative work based on your knowledge of that code. You may not use the applet on your own web site, as a library, in your own work.