You can also look up for these other topics:
Framework
Coding Standards
Boilerplate
CMS
Tool
Security
Hacktoberfest
A web based file manager,web IDE / browser based code editor
kalcaddleProjectSend is a free, open source software that lets you share files with your clients, focused on ease of use and privacy. It supports clients groups, system users roles, statistics, multiple langua
projectsendA self-hosted, drag-and-drop & nosql file conversion server & share tool that supports 86 file formats in 13 languages.
zelon88Simple Filehosting Page in a Single PHP File (obvious 0x0 clone)
RoujiSelf-hosted files sharing application, easy to setup, easy to use
axeloz