Laszlo Systems, the primary sponsor of OpenLaszlo, has become part of Critical Path Inc. CP is a global company providing messaging, safety, and assurance solutions to more than 225 million people worldwide. Although CP was commited to support the development of OpenLaszlo, the project was abandoned.
Eventually OpenLaszlo.org was shut down and the projets still using the framework left without support and documentation. That is why a group of web enthusiasts decided to put the site up again and create an archive of the tutorials and documentation that can be found from the late project.
If you are still using OpenLaszlo and you can not what you are looking here, since 2012 when the project was abandoned, a lot of more powerful and light platforms are available for your projects. You might consider frameworks like Polymer, Bootstrap and Sceleton.
What is OpenLaszlo?
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The only write onece, run anywhere rich internet application development framework. OpenLaszlo is the only rich internet platform that lets you write once and compile to both flash and DHTML.
With the declarative LZX Language you can create active animations and various layouts for your project. It's easy to get started with OpenLaszlo.