Open Source Social Networking Software

Admidio is a free open source user management system for websites of organizations and groups. The system has a flexible role model so that it’s possible to reflect the structure and permissions of your organization. You can create an individual profile for your members by adding or removing fields. Additional to these functions the system contains several modules like member lists, event manager, guestbook, photo album or download area.

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.

Big social networks put plenty of websites out of business - anyone can create a group, say, on Facebook, and it's much easier than to build and support whole website. Now we want to get web-masters back into the game, arming them with the same functionality major social networks have. The Micro is the simplest GRA4-powered Social Network. It can run on any PHP hosting (including free ones), and does not even require a database server. Demo: http://micro.ucq.me/gra4/activity Free hosting with auto-installer: http://ucq.me After single 2-minute-long installation your 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 the Micro, please make sure you are installing the newest version: http://gra4.com/file/group/97/all

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