Solutions for creating a social network

This text is inspired by the previous <a
href = " sevavaber.habrahabr.ru/blog/38613.html "> posts that list social networking engines, but are practically not analyzed in any way for use.

Here, I first collect all the possible engines that are found on the references, search engines and various archives. And filter them, removing obviously unsuitable for use by me. In this case, the use criteria for other people may be different, so all engines remain in the second part of the list. Total reviewed 65 projects.

Criteria for evaluation:
1. Code in OOP style
2. Mandatory use of the template engine (separation of code and layout)
3. Localization support (separation of texts and everything else)
4. Structuring (separation of modules into files and folders)
5. Open source (free or low cost)
6. implementation language (php, ruby, c #, python)

And now let's go alphabetically:
Projects to be considered more thoroughly.
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AROUNDme
Opensource Myspace Clone

Dolphin
Inexpensive ($ 99) solution, opensource php

Drupal
Opensource, php, well-structured solution, not easy to learn

Dzoic
Inexpensive ($ 424) solution, opensource php

Flightfeather
In Python, opensource, year not updated

Joovili
Inexpensive ($ 275) Myspace Clone

LovdByLess
Free, opensource, ruby

Ning
Service, there are source codes widgets, API

NoseRub
Opensource php

Openpne
Opensource, php, in Japanese: (

Phpfox
Inexpensive ($ 375) solution, php

PHPizabi
opensource, php, without OOP, but with Smarty and multilingual

Plone
Opensource, free, Python

SocialEngine
Inexpensive ($ 300) solution, opensource, php

These projects [me] do not fit (but maybe fit someone else):

Appleseed
Developed by one person on the part time, the status of early beta, really use early.

Atlassian Confluence
Expensive ($ 8000 for unlimited users) solution for the enterprise wiki, pulling on the social network

AstroSPACES
Externally, the project is abandoned, the site does not open, development of version 2 started a year ago, since then silence

Bigstreet
Russian opensource engine ( here are the old sources)
No template support (Smarty is used, but very little), the text is mixed with code and layout

eFriends
Inexpensive clone of Friendster and Myspace

Alertness
Does not opensource?

BlogTronix
Not opensource, paid

CollectiveX
Enterprise groupware solution, expensive (and senseless)

conVerdge
Service solution, not opensource

Corespeed
Pay non-opensource solution

Crowd factory
Paid closed solution, not updated since 2006

Dave networks
Closed service solution

ELGG
html in the code is mixed, without the OOP (for the most unexpected, that such a popular project is so poorly designed)

Explay
The Russian opensource engine is still too raw, but with prospects.

Famster
"Family" solution, service

Five across
Bought by Cisco, Community Builder RIP

Flux
Service or paid solution, your Markup Language, half dead state

Friendsite
Service, not software

Go lightly
Enterprise paid solution, prices on request

Going on
Enterprise solution, no prices, no source, populated by robots

Group Members International
Service Solution

Haystack
Service Solution

iBelong
Service

introNetworks
Enterprise, paid

Kick apps
Service, paid

KREM
Enterprise solution

Kwiqq
Enterprise solution

Leverage software
Pay without source

Liveworld
Pay without source

Manusya
Perl, Postgres, pre-alpha version 2006

Myspace Clone Php Script
Inexpensive Myspace Clone

Me.com (Snappville)
Service

Mixxt
Service

Momo
Service

Neighborhood America
Service

Nexo
Service

Omnifuse
Service

Onesite
Service

OurSpace
Inexpensive MySpace clone, Perl

PeopleAggregator
Expensive ($ 20,000) solution

Pringo
Paid, without source

Prospero
Enterprise solution, paid, without source

Ringside networks
Opensource Facebook is a clone with support for both Facebook and OpenSocial applications (somewhere the information ran through that this is the source code for Facebook, but there is nothing like this on their opensource list ).
No OOP, no template engine, code and layout in the heap

Rsitez
Paid service (!) (Not at all friendly)

Select minds
Enterprise solution

Sharepoint
Microsoft

SiteLife
Paid enterprise solution

Small world labs
Paid enterprise solution

Social groupware
Early alpha, opensource, php

Social Network Server
Service

Sparta Social Networks
Enterprise, java, charge

Telligent Community Server
Paid solution, expensive, not opensource

The port
Enterprise

Userplane
Advertising model or paid

Vibe Capital
Paid solution

Village engine
Service

Virtual learning commons
Project abandoned 2005

Vitrue
Enterprise solution

Web crossing
Expensive (and senseless) solution

Wild apricot
Paid service

World Dating Partners
Service

WorldSpace
Alpha version, project abandoned in 2006

PS: Maybe someone my searches will be useful and save some time. If you have reached this place, then you really need an engine :)