Open Source Social Networking Software

Pligg CMS is a content management platform that powers tens of thousands of websites. It specializes in creating social publishing networks, where users submit and promote content similar to sites like Digg, Reddit, and Mixx.

Simple, web-based address & phone book, contact manager, organizer. Groups, addresses, e-Mails, phone numbers & birthdays. vCards, LDIF, Excel, iPhone, Gmail & Google-Maps supported. PHP / MySQL based.

ATutor is an Open Source Web-based Learning Management System (LMS), designed with accessibility and adaptability in mind. Author interoperable e-learning content, provides social networking, and adheres to standards. Put your courses online.

eXo Platform is an open-source digital workplace solutions for growing teams and enterprises, featuring: ✅ Internal Communications ✅ Team Collaboration ✅ Knowledge Management ✅ Productivity and Employee Recognition use cases. eXo stands out by: 👍 its fluid and integrated employe experience, on desktop and mobile 👍 the platform’s ease of use 👍 innovative employee engagement features. eXo Platform is developed on open-source technology and supports open standards. The platform is extensible and interoperable, all services are exposed REST APIs. The platform also offers additional security capabilities, developed in collaboration with highly sensitive clients. With eXo Platform, companies can connect, engage and reward their employees, customers, and partners with its social, engagement and gamification capabilities.

XMB [eXtreme Message Board] is a PHP forum with all the features you need to support a growing online community. With outstanding community support and contribution, you will find XMB to be easy to setup, customize, enhance and use. Though XMB is lightweight out of the box, it offers the key features you need to get your message board forum up and running. php forum, php forum script, forum software, bbs - XMB Forum is all of the above. XMB forum software is free, open source and runs PHP scripts with a MySQL database or MariaDB backend. A great alternative to other forums like PHPBB, SMF, vBulletin, XenForo, Invision, MyBB, bbPress, Vanilla, Discuz.

The Official port of the STUNNING! CMS/CMFx "Drupal" to the .NET Framework. Combining The greatest open source CMS with the greatest development platform. It will have the same architecture and will support Drupal modules & themes out of the box.

Big social networks put plenty of Drupal websites out of business: anyone can create a group, say, on Facebook, and it's much easier than to build and support whole Drupal website. Now we want to get Drupal web-masters back into the game, arming them with the same functionality major social networks have. The GRA4 Social Network for Drupal empowers your website with Social Networking features. Drupal Social Network Demo: http://drupal.ucq.me/gra4/activity Free hosting with auto-installer (Drupal supported): http://ucq.me After single 3-minute-long installation your Drupal website will have social features likes, friends, groups, blogs, messaging, activity stream, market, events and much more. Wiki: http://en.wiki.gra4.com/Category:Webmaster_guide Before you install this Drupal mod, please make sure you are installing the newest version: http://gra4.com/file/group/99/all

Big social networks put plenty of MyBB websites out of business: anyone can create a group, say, on Facebook, and it's much easier than to build and support whole MyBB website. Now we want to get Drupal web-masters back into the game, arming them with the same functionality major social networks have. The GRA4 Social Network for MyBB empowers your website with Social Networking features. MyBB Social Network Demo: http://mybb.ucq.me/gra4/activity Free hosting with auto-installer (MyBB supported): http://ucq.me After single 4-minute-long installation your MyBB website will have social features likes, friends, groups, blogs, messaging, activity stream, market, events and much more. Wiki: http://en.wiki.gra4.com/Category:Webmaster_guide Before you install this MyBB mod, please make sure you are installing the newest version: http://mods.mybb.com/view/gra4-social-network