Elgg - Free Open-Source Self-Hosted Social Networking Platform v3.3.16

I was looking for a good PHP based Social Networking Platform and this is the best free Self-hosted Social Networking Script.

Introducing a powerful open source social networking engine​

Providing you with the core components needed to build a socially aware web application​

Elgg is an award-winning open source social networking engine that provides a robust framework on which to build all kinds of social environments, from a campus wide social network for your university, school or college or an internal collaborative platform for your organization through to a brand-building communications tool for your company and its clients.

Features:

• Well-documented core API that allows developers to kick start their new project with a simple learning curve
• Composer is the package manager of choice that greatly simplifes installation and maintenance of Elgg core and plugins
• Flexible system of hooks and events that allows plugins to extend and modify most aspects of application's functionality and behavior
• Extendable system of views that allows plugins to collaborate on application's presentation layer and built out complex custom themes
• Cacheable system of static assets that allows themes and plugins to serve images, stylesheets, fonts and scripts bypassing the engine
• User authentication is powered by pluggable auth modules, which allow applications to implement custom authentication protocols
• Security is ensured by built-in anti CSRF validation, strict XSS filters, HMAC signatures, latest cryptographic approaches to password hashing
• Client-side API powered by asynchronous JavaScript modules via RequireJS and a build-in Ajax service for easy communication with the server
• Flexible entity system that allows applications to prototype new types of content and user interactions
• Opinionated data model with a consolidated API layer that allows the developers to easily interface with the database
• Access control system that allows applications to build granular content access policies, as well as create private networks and intranets
• Groups - out of the box support for user groups
• File storage powered by flexible API that allows plugins to store user-generated files and serve/stream them without booting the engine
• Notifications service that allows applications to subscribe users to on-site and email notifications and implement integrations with other their-party services
• RPC web services that can be used for complex integrations with external applications and mobile clients
• Internationalization and localization of Elgg applications is simple and can be integrated with third-party services such as Transifex
• Elgg community that can help with any arising issues and hosts a repository of 1000+ open source plugins

The script installation takes only a few seconds. Also, you do not need to make any additional settings. The script works out of the box. They have thorough documentation, plugins, themes... everything free. Read more about capabilities and settings in the Online Documentation.

Note: This is the original, untouched file. Nulling is not required because it is completely FREE.