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joomlaXplorer 
joomlaXplorer is a File- and FTP - Manager. It allows you to edit files, delete, copy, rename, archive and unpack files/directories directly on your server. You can - Browse Directories & Files - Edit, Copy, Move and Delete files - Search, Upload and D ...
Version Manager
The Version Manager allows your to manage software versions to list them on your site. Your visitors will be able to check the version history on your site. You can include a "Check for latest version" feature into your distributed software, so the users ...
eXtplorer 
eXtplorer is a web-based File Management Component for all your needs. It has a desktop-application-like interface with drag&drop, grid and a directory tree and makes heavy use of the ExtJS Javascript Library. You can use it to access and modify the file ...
GoogleDocs Plugin
The GoogleDocs Plugin allows you to embed Documents from the GoogleDocs Service into your Joomla! Content Articles. The Content Plugin is accompanied by an Editor-Extension Plugin, which helps you to insert the Tag with the correct Syntax into any Articl ...