if you looking for Free and powerful File Managers Based on jQuery , Ajax and php ready to use in your web projects and easy to customize , take a look at this list with Free and powerful File Managers using jQuery/Ajax/php . All File Managers Based on jQuery ,Ajax and php that allows you to preview, upload and modify files and folders via the browser.
1.Customizable AJAX File Browser For jQuery

jQuery File Tree is customizable AJAX file browser plugin for jQuery. which allow you to customized, fully-interactive file tree with as little as one line of JavaScript code. Currently, server-side connector scripts are available for PHP, ASP, ASP.NET, JSP, and Lasso.
expand-collapse events and speed can be easily customized, and is fully standards-compliant with valid & semantic XHTML. jQuery File Tree is Fully customizable via CSS and Ability to style icons based on file extension. jQuery File Tree requires jQuery 1.2.6 or above and All major browsers like Internet Explorer (6/7), Firefox (2/3), Opera 9 , Safari 3, and Chrome are supported to jQuery File Tree.
Here is an example code for creating the file tree. See how easy it is:
$(document).ready( function() {
$(#container_id).fileTree({ root: /some/folder/ }, function(file) {
alert(file);
});
});
Demo: live demonstration
2. Ajax File And Folder Manager: Relay

Relay is a online, Ajax based file & folder manager. you can easily drag-n-drop files and folders to download or upload them. To install Relay on your server you requires Php 4+, Mysql 4+, Perl 5.8+ (for upload progress) and Apache/IIS .
Features:
* drag-n-drop files and folders
* dynamic loading file structure
* upload progress bar
* thumbnail view, including pdf
* multiple users & accounts
Demo: Live demo
3.File Thingie -PHP File Manager

File Thingie is a small web-based file manager written in PHP. It is intended for those who need to give others access to a part of their server is file system when FTP is not practical.
Features:
* Upload multiple files at once
* Multiple users and user groups
* Create subdirectories
* Rename, move, delete and copy files and folders
* Control access to files based on black- or whitelists
* Unzip files without downloading
* Easy customization of the CSS based layout
* Translate into your own language
4.FileVista - Web File Manager

FileVista is a web based file manager for storing, managing and sharing files online through your web browser. it allow your users to upload, download and organize any type of file with an intuitive user interface. FileVista is a web based file manager written in ASP.NET and AJAX . With FileVista you can easily organize files and folders with Create Folder, Delete, Rename, Copy, Move, Zip and Unzip functions.
It also provides a robust, secure and easy online file management for your users who needs to access the files remotely from anywhere anytime.
Features:
* Multi-Browser Compatibility
* Available in 7 Languages
* Stunning and Intuitive User Interface
* Quick and Easy Installation
* Serve and Share Files with Access Control
* Full Administration and Monitoring
* Easy Upload and Download
Demo: Live Demo
YaFM is a know as Yet Another web-based File Manager . YaFM is a web based file manager for UNIX-like operating systems written in PHP . it allow you to upload, download, view, edit, copy, move/rename, change permissions and owner group of a single file or a group of files .
6.Web-Based PHP FTP Application: phpWebFtp

phpWebFtp is an open source web-based FTP application built with PHP. which allows you to access your files stored on your website or web server. It is not a simple file manager as it can be installed anywhere and connects to any FTP server.
phpWebFTP connects to your FTP host even if you are behind a firewall or proxy not allowing traffic to FTP servers. phpWebFTP overcomes this issue by making a FTP connection from your web server to your FTP server and transferring the files from this web server to your web client over the standard http protocol.
Features of this PHP FTP Application:
* Unlimited usage for you and your clients
* Fully-featured web based ftp client
* Built-in free 22 Language packs
* user-friendly interface
* Easy Binary/ASCII mode switching
* WYSIWYG file editor for .html, .htm files
* Built-in file or directory download mode
* Special .zip files extraction to the server feature
* CHMOD function for applying permissions to the files and folder
* UNZIPing mode for extracting zipped files on the server
Demo: Live Demo
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