Elgg.orgKim Taylor

Elgg.org

What is Elgg.org? Technical Requirements Features Hosting Tutorials Security Sites powered by Elgg

What is Elgg.org?

Elgg is an open source networking platform› It provides social networking for education,

businesses, and sports It was founded by Ben Werdmuller and

Dave Tosh, and has been underdevelopment since 2004

Allows users to have a public social networking site (ex. Facebook) or a private networking site (like Microsoft SharePoint)

Technical Requirements

Elgg can run on Apache web server, MySQL database system, and PHP interpreted scripting language› The Apache web server needs to be

installed with the following modules: Mod_rewrite PHP 5

Technical Requirements continued

MySQL 5+ with sql_mode in standard mode (ie not in traditional or any other mode)

PHP 5.2+ needs to be installed as an Apache module (not in CGI mode or safe mode) with the following libraries:› GD (for graphics processing, eg user icon

rescaling and Captcha)› JSON (for API functionality)› XML (not installed/compiled by default on all

systems)› Multibyte String support (for internationalization)

Technical Requirements continued

Recommendations for plugins:› The following PHP libraries are also

recommended for some plugins and extra functionality: SOAP DOM

Features

Most of the Elgg features come from plugins. Features from core and core plugins

› User, object, file and site management› Social graph functionality (relationships between users and

other users, objects and sites)› Multiple sites (or applications) per installation (coming soon)› Easy internationalization support› System-wide, tag-based searching across all content and

users› Fine-grained access controls› Multiple views, allowing for mobile applications and

embeddable widgets as well as the traditional web browser view

› Plugin APIs

Features continued

› Powerful theming through the plugin API› RSS and FOAF for content syndication› OpenID and LDAP for user authentication› OpenSocial› An extensible RESTful API, with results in JSON,

serialized PHP or XML› AJAX through jQuery and user-definable callbacks› Easy extension for use with caching systems such

as memcached, for increased system performance (experimental)

› Use of multiple database connections for scalability (still in development)

Built-in Features

Avatar

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Dashboard

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Groups

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Profile

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Widgets

Optional Plugins

File Repository

Optional Plugins

Message Boards

Optional Plugins

Pages

Optional Plugins

Notifications

Other plugins and features

Blog Embed Media The Wire / Microblogging Private Messaging Social Bookmarking Access

Hosting

Arvixe A2 Hosting HostUpon Green Geeks

Tutorials

Hello, World widget Simple blog tutorial Overwriting the default index page Build a WYSIWYG (what you see is what

you get) plugin

Security

Passwords Session Security Secure Forms (protect from CSRF

attacks) Filtering (protect from XSS attacks) Escaping (protect from SQL injection

attacks)

Password Security

Password Validation Password Salting Password Hashing Password Storage Throtting https login Password resetting

Session Security

Session fixation Session Hijacking Remember me cookie

Sites powered by Elgg

Blogotronix: LatinAmerican Social Network | Red Social Latinoamericana

Budokin: Uniting Martial Arts TGV REZO Community@Brighton: This site is running Elgg v1.6 and is home to

60,000 students. UnLtdWorld: UnLtdWorld is a social network aimed at connecting

social entrepreneurs, social innovators and socially-minded people. teachbox.net: teachbox is a resource sharing network for school

teachers. Rucku Rucku: is the web's largest social network dedicated to rugby.

This site is a bespoke development powered by Elgg. Hedge Fund Community: at Hedgehogs.net. The space for the hedge

fund and investment community. Planet Red: Social network for the University of Nebraska-Lincoln The Hobby Space: the perfect place to share your hobbies and

explore new ones. You don’t have to already have a hobby if you want to join, you can always find one along the way

Team Webgalli: elgg turned business site

Sites powered by Elgg continued

My CMC: This is the official community for budding doctors of CMC, Kochi Elgg Jobs |Elgg Exchange: The ElggExchange Marketplace is a targeted

destination for Elgg users that reaches a savvy group of top designers, programmers and technology talent. Find them. Connect with them. Hire them.

DicingDangers Fantasy Inn: Social network for fantasy and sci-fi fans. Includes, artwork, fanart, writing, photos, gaming and more.

InterfaithFamily.com: a highly customized Elgg site integrated with CiviCRM, a custom CMS and Simple Machines.

iJedi.org: the Star Wars Social Network: its like facebook or myspace for Star Wars fans!

Acta Physica: is a free social networking platform dedicated to bringing the global physics community together. It enables its users to connect and network with peers and share knowledge, ideas, problems and resources.

LiveOutThere: is dedicated to inspiring and enabling its members to engage in challenging outdoor adventure, cultivate earthly discovery, self-realization and a passion for life.

Eduspaces: The first and largest social networking site dedicated to education and educational technology. With over 20,000 active users, Eduspaces is promoting the importance of Education, worldwide. This site is powered by Elgg v0.9

Snippr: is a custom social networking site built on a heavily customised Elgg. diveXit: This community is for Skydivers or people interested in Skydiving.

Sites powered by Elgg continued

Dogs24: Hier geht es um Hunde. Und deren Futterknechte, Kumpels, Freunde, Besitzer - also um Dich! Mach mit und tausche Dich mit anderen aus.

EnterpriseAmbassadors: The UK's national enterprise movement My Life Thinking OakPages: OakPages is a community for friends and family. Tickerheads: Share your stock, option, future, and currency trades

with others and receive immediate feedback Chukkest The Brighton Gallery: is a free, simple, user friendly online community

for creative individuals in the Brighton area to show their work, blog their thoughts, network, promote exhibitions and events, chat and have fun!

eJump Unionbook UHI Communities: This site is running v0.9 of Elgg. Swatch the Club: This is a heavily modified version of Elgg. FuseFly: Connecting homeschoolers around the world.

Sites Powered by Elgg continued:

BraveTrips: Social Network for Travellers Facebake: Social Network for the "Higher" Class GeekNexus: Technology and Gadget Geeks and Freaks. East London Lives: Olympics History Archive site Playtime iCouples This site is devoted to educating the lifestyle couples about

upcoming parties and events in their area. Business Founders Network, Germany: On one hand, a lot of young people

have great ideas for new businesses. On the other hand, investors are gasping for new ideas - we bring them together here!

DrLove community: DrLove.rs is s dating community, that connect people and help others to solve love problems

Bubba Keg Tailgating Competition: This site lets teams compete in a tailgating contest.

Cayambe Libre: Local Social Network for the city of Cayambe in Ecuador Adidas Soccer International Training: Website for soccer players in the adidas

Soccer International Training program Scene Ahead Knowledge Center for Innovation

Sites Powered by Elgg continued:

Elgg Jobs |Elgg Exchange (The ElggExchange Marketplace is a targeted destination for Elgg users that reaches a savvy group of top designers, programmers and technology talent. Find them. Connect with them. Hire them. )

Sites powered by Elgg continued

GeekNexus (Technology and Gadget Geeks and Freaks)

Conclusion

Today I have shared with you:› What Elgg.org is.› The Technical Requirements for Elgg.org› What Features Elgg.org offers› Which Hosting companies work with

Elgg.org› What kind of tutorials are offered by

Elgg.org› What kind of Security Elgg.org offers.› What Sites are powered by Elgg› demo site