Some popular hosting providers (Dreamhost) offer this social media CMS so you can create self-hosted bookmarking site Reddit.
Check out: Best Free and Premium Buddy Press Themes 2017 Word Press Buddy Press help you to build self hosted social network for your company, team and organization.
See Also: 25 Best Free CMS – Open Source Content Management Systems Dolphin is a CMS that lets you create social networks, dating sites and web communities.
Anahita is a social networking platform and framework for building knowledge sharing apps and services Hotaru CMS is an open source, PHP platform for building your own websites.
With flexible plugins and themes, you can make any site you like.
Jcow is a flexible social networking CMS coded in PHP.
Jcow makes it easy and interesting to create Social Networks and online communities. NET is a powerful open source e-commerce solution with beautiful design, easy handling and cutting-edge architecture.It includes all essential features to create a complete webshop right out of the box, without any hidden costs!NET meets all legal requirements for web shops in Germany & EU.Our plugins & interfaces are built in close partnership with the respective providers to guarantee a perfect usage of the present services. With the Smart Import, you can easily transfer almost all of the data (*) from your existing Smart Shop.You can create a website like Facebook with this open source.