OpenLaszlo Showcase

Sometimes you just need to see it to understand it!

OpenLaszlo Demos

Here you will find a range of interactive demos showing some of what OpenLaszlo makes possible. As you use these demos, notice how many of the best usability features with which you're already familiar from the best desktop or client-server applications are now available on the Web. Each demo includes a brief description and some guidelines for using the demo.

OpenLaszlo Technology Demos

You can get a quick overview of OpenLaszlo, take a look at Learn Laszlo in 10 Minutes, a quick introduction to getting started in OpenLaszlo. We've also created a demo that shows you the basic OpenLaszlo widgets in action.

Featured OpenLaszlo Applications

OpenLaszlo has been adopted by a number of companies to build applications for their customers. Here we've listed a number of the best along with information on how to run them through their paces.

To see even more of what people are doing with OpenLaszlo, you can visit the OpenLaszlo project wiki's showcase page. Members also post pointers to newly-complete projects over on the OpenLaszlo Forums.

OpenLaszlo Demos

GoWebtop icon

Laszlo Webtop

One of the best places to see Laszlo in action is Laszlo Webtop, a new kind of online desktop that allows you to communicate and collaborate. A version of Laszlo Webtop is available for use as goWebtop and includes email, an address book and calendars, with more coming in the coming months. OpenLaszlo applications can be adapted to work in the goWebtop environment, too. You can sign up for a free account today, and there's a lot more information on Laszlo Webtop available over on the Laszlo Systems website.


LZpiX demonstrates how the same application can be deployed using DHTML or Flash.

Launch Flash Application | Launch DHTML Application | View Source

Laszlo Calendar

This demo shows a Calendar demo running in both DHTML and Flash. The Webtop Calendar is based on this technology.

Launch Flash Application | Launch DHTML Application | View Source


This demo shows the video support added starting with OpenLaszlo 4.0 (SWF only).

Launch Application | View Source


The Weather app is a practical example of how to use and display XML data on the client.

Launch Flash Application | Launch DHTML Application | View Source

Amazon Store

This RIA interpretation of an Amazon music store demonstrates presenting a range of functionality all in one window, drag & drop between windows, a dynamic shopping cart, and more, including pulling live data from Amazon's backend database.

Launch Flash Application | Launch DHTML Application | View Source

World Clock

This is a simple demo that shows the time of day at different locations around the world.

Launch Application | View Source

OpenLaszlo Technology Demos

Laszlo in 10 Minutes

This is a self-paced tutorial on Laszlo LZX markup language. Please follow the embedded instructions.

Launch Application

Laszlo Components

This demo shows the basic OpenLaszlo widget set.

Launch Application

Featured OpenLaszlo Applications


Fnac, based in France, is one of the largest international retailers of consumer electronics and entertainment software. Their new and improved online shopping cart was built entirely in OpenLaszlo, helping users to easily compare product offerings and alternatives before making the final purchasing decision. To view, visit the "Informatique" section and add a laptop to the shopping cart (click on "Ajouter au panier").

H&R Block

H&R Block liked OpenLaszlo so much that they created a number of applications using our technology, including these tax calculators.


The world's largest online retailer chose OpenLaszlo for its major site relaunch, using the technology in the prominent home page showcase application, among other areas. OpenLaszlo was selected among its competitors because of the platform's open source architecture, scalability and flexible development environment.


Pandora’s online music discovery service has sparked the interest of tens of millions of people (and steadily growing!) OpenLaszlo’s maturity, open source approach, and Flash run-time option made the platform a clear choice over other leading development options. It was selected as the front-end to MSN's music service as well.


Created to share and draw online diagrams, Gliffy is a free Web-based alternative to diagramming tools such as Microsoft’s Visio. The site is built entirely in OpenLaszlo, utilizing the signature drag-and-drop and navigation capabilities.


OpenMeetings is a free browser-based software that allows you to instantly set up a conference in the Web. You can use your microphone or webcam, share documents on a white board, share your screen or record meetings. It is available as hosted service or you download and install a package on your server with no limitations in usage or users.


Worrydream is the personal web page of Bret Victor, an OpenLaszlo enthusiast and design guru. Navigate through the site to watch the amazing transitions and fluid interactions - amazing! Bret was behind the creation of, the T-shirt design site.


OMNYS, based in Italy, designs and develops IT solutions that are both web-based and mobile. Their CMS platform (Platinum®) is built entirely with OpenLaszlo technology. Give it a try!

Kinsa Applications

Kinsa Applications, based in Germany, designs and develops custom RIA applications in OpenLaszlo. Most notably they developed an online conferencing system. Check them out.

Factority MES

Factority MES (Manufacturing Execution System) is the first open MES, with a modular system framework that offers comprehensive features for industrial production (such as PDA, MDA, process data acquisition, machine control, reporting, etc.)


PROTOGYM is an online personal training and exercise management solution developed in OpenLaszlo. PROTOGYM features intelligent automatic workout generation, historical data tracking and trending, integrated equipment inventories, and detailed videos and instructions for over 600 exercises.


ISCOPE is a web developing agency located in Osnabrück, Germany using OpenLaszlo for small widgets, tool development, and websites. As the largest project a complete and fully functional ERP/Enterprise Resource Management was developed based on OpenLaszlo. It's a modular and multilingual system and used by a German company between Germany and China to control their workflows and orders.


DCM-AR, a company specializing in medical informatics, created a medical images viewer that conforms to the DICOM protocol. The client is based on OpenLaszlo technology and it works in web environments as well as on mobile and desktop devices. The application ensures that the images displayed are 100% diagnostic, there is minimal latency to obtain the first display, and data transfer time via a network is minimal (video).