...It allows you to work on multiple tabs at a time; provides quick access to history, bookmarks or any file; has an inbuilt Database Reader, Zip/Rar Reader, Apk Reader, Text Reader and so much more! Amaze File Manager is based on Material Design guidelines and is completely open source, with no ads or in-app purchases whatsoever.
Web based File Manager in PHP, Single File and light weight
Tiny PHP File Manager
It is a simple, fast and small file manager with single php file. It is also a web code editor. It'll run either online or locally, on Linux, Windows or Mac based platforms. The only requirement is to have PHP 5.5+ available.