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SashXB for Linux
(Last updated: Apr. 05, 2002)

SashXB for Linux is an open source (LGPL) application environment that exposes native functionality to JavaScript. It's ideal for web developers with HTML and JS skills who want to write full-featured native applications, as well as experienced programmers who'd appreciate the convenience of rapid application development. It uses a host of other open source projects, including Mozilla, GNOME, Glade, and Gdome.

SashXB programs are called "weblications" and can be installed and uninstalled locally or from the web. SashXB also handles recursive dependency checking (with an online locator service for installing necessary components) and a user-customizable security model.

SashXB's functionality is fully extensible. Components can be added easily (and installed as simply as a weblication would be) to support any desired native OS functionality. For instance, SashXB weblications can currently run in a simple window, in a Glade-designed UI, in a GNOME panel, or even in a console-based scripting environment. Future locations might include ScreenSaver, Nautilus, and an embeddable Bonobo component. We have also written extensions to access the native filesystem, play Vorbis files, parse and construct XML documents, communicate with other machines using the Jabber protocol, use FTP, and interact with the UI using GTK and Glade, among other things.

Sample weblications you can use include SashPad (a simple graphical text editor), SashFTP (a full-featured graphical FTP client), WebBlazer (a simple web browser), and Checkers (a networked, multiplayer game). All of these weblications are written in less than 1k lines of code, and most are around 100 lines.

Here are several useful resources where you can learn more about SashXB and how to use it . . .
  • the SashXB Visual Tour -- Here you'll find a bunch of annotated screenshots of SashXB, which should serve as a good introduction to the functionality and versatility of SashXB.

  • Using SashXB for Linux -- How to run, install, and manage SashXB weblications, extensions, and locations. Covers basic information on using the SashXB installer, task manager, and runtime.

  • Writing SashXB Weblications -- How to start writing Weblications that take advantage of the native operating system and GUI using the Web technologies you already know. It takes you through some basics and then gives you some tutorials which result in your first Weblications.
Source code for the SashXB for Linux Open Source Project is now available under the LGPL license at Gnome.org. SashXB for Linux is a "from the ground up" rewrite of Sash targeted at the Linux desktop. It uses Mozilla's HTML layout engine, JavaScript interpreter, and Component Model. Sash also uses many components from the GNOME project. Two summers in development, SashXB is a product of IBM's Extreme Blue internship.


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