GWTruts is an easy-to-use framework for using GWT with MVC and dependecy injection. It virtually divides a GWT module into view, controller, and validation sections similar to traditional MVC Web frameworks like Apache Struts. It also provides a dependency injection mechanism similar to Spring, which you can use to customize your controllers and views. It provides a page decorator where you can define mappings between a URL and a group of controllers/views and sections of the HTML files.
File-Picker is a program to display and choose files from your Web site. It supports multiple languages. It uses AJAX to allow the user to interact with the server without reloading the page. You can pick several files at the same time. Its visual interface looks like a file explorer.
user_info is a class to retrieve information about the browser the user is using to access the current site script. It can analyze the user agent string sent by the browser in the current HTTP request and extracts the type of browser, user machine operating system, user machine IP address, accepted character set encoding, language name, and whether the user is a spider/bot.
VFSJFileChooser is a Java Swing component that allows you to browse both remote and local filesystems. It is based on the Apache Commons VFS library. It can replace the standard Java JFileChooser in applications that need to access remote files. It supports all the protocols available in Commons VFS: FTP, FTPS, SFTP to access files using SSH, SMB to browse Windows/Samba shares, HTTP, and HTTPS.
Net::Amazon::S3::Tools is a set of command line tools for Amazon AWS S3. It allows the user to manipulate an S3 account, set and display ACLs, list and create and delete buckets, list and get and put and delete items. All these operations are invoked from the command line in a way that is similar to manipulating files.