CKFinder - CKFinder is a powerful and easy to use Ajax file manager for web browsers.
Python - Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.
Flmngr - Free PHP File Manager
Rust - A safe, concurrent, practical language
Tiny File Manager - Web based File Manager in PHP, Manage your files efficiently and easily with Tiny File Manager
Java - A concurrent, class-based, object-oriented, language specifically designed to have as few implementation dependencies as possible