Elgg is described as 'Leading open source social networking engine which can be used to power your social network' and is a Social Network in the social & communications category. There are more than 25 alternatives to Elgg for a variety of platforms, including Web-based, Self-Hosted, Android, iPhone and iPad apps. The best Elgg alternative is Minds, which is both free and Open Source. Other great apps like Elgg are Friendica, Movim, HumHub and BuddyPress.
Create custom niche communities with Social Engine's all-in-one script. Build your community using our versatile online networking platform solutions.
Noosfero is a web platform for social networks with blog, e-Porfolios, RSS, thematic discussion and events agenda in the same system.
PHP social networking software with Facebook-style newsfeed. Free plugins, themes, easy installation and auto-updates.
With ViceSocial script you can create your own blogging social network. The platform is not written on any framework, it is pure PHP, which makes it much easier to understand, edit and improve.
ZenCommunity is a WordPress community plugin designed to help businesses and creators build, manage, and grow private or public online communities with powerful engagement and monetization features.
Hiveflare is a social network platform that allows anyone, from regular people with a burning desire to create a great social community of their passion to the extreme professional company that want to build a community for their customers or a internet social network.
Jamroom is open source PHP social networking software where profiles are the main focus. Allows for multi-profile creation and has powerful media conversion systems for audio and video based communities.
mooSocial is the best social network script to create a niche community or social site. It is features packed, highly configurable, expandable with many quality add-ons. It is easily accessible thru mobile web or Android and iOS.
The BuddyBoss Theme turns your website into a fully functional social networking platform, much like Facebook, with open or private groups, private messaging, and deep LearnDash integration.
BizChat is an enterprise collaboration app that allows public & private chat, access employee directory, get news feed and set your to-do-list. It’s a great tool to help businesses connect people & information.
Create your own Social Network - for free! Including own forums, own chat rooms, groups, members, photos, videos and much more.
A new social claiming to protect free-speech, user's private data, no algorithm. There are android Ios apps, browser access.
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It has costly add ons to match functionality of Elgg, which is free. Thus, it cann be classified under a free software for the same functionality.