What is Elgg.org?
 Technical Requirements
 Features
 Hosting
 Tutorials
 Security
 Sites powered by Elgg
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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)
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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
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:
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› 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)
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Recommendations for plugins:
› The following PHP libraries are also
recommended for some plugins and extra
functionality:
 SOAP
 DOM
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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
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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
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)
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Avatar
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Dashboard
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Groups
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Profile
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Widgets
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File Repository
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Message Boards
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Pages
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Notifications
Blog
 Embed Media
 The Wire / Microblogging
 Private Messaging
 Social Bookmarking
 Access
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Hosting
Arvixe
 A2 Hosting
 HostUpon
 Green Geeks
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Tutorials
Hello, World widget
 Simple blog tutorial
 Overwriting the default index page
 Build a WYSIWYG (what you see is what
you get) plugin
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Security
Passwords
 Session Security
 Secure Forms (protect from CSRF
attacks)
 Filtering (protect from XSS attacks)
 Escaping (protect from SQL injection
attacks)
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Password Security
Password Validation
 Password Salting
 Password Hashing
 Password Storage
 Throtting
 https login
 Password resetting
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Session Security
Session fixation
 Session Hijacking
 Remember me cookie
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Sites powered by Elgg
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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
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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
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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
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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:
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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
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GeekNexus (Technology and Gadget
Geeks and Freaks)
Conclusion
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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