postActiv is a free and open source social networking project based on GNU Social. It uses OStatus, which means that users can for example connect to users on Mastodon and GNU Social instances as well.
Akkoma Alternatives
Akkoma is described as 'This is a fork of Pleroma, which is a microblogging server software that can federate (= exchange messages with) other servers that support ActivityPub. What that means is that you can host a server for yourself or your friends and stay in control of your online identity, but' and is a Social Network in the social & communications category. There are more than 50 alternatives to Akkoma for a variety of platforms, including Web-based, Android, iPhone, Self-Hosted and iPad apps. The best Akkoma alternative is Mastodon, which is both free and Open Source. Other great apps like Akkoma are Bluesky, X, diaspora* and Facebook.
Alternatives list
APSense is a business social network combining the best elements of business networking with the relationship building power of a social network.
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