The best Microblog alternative to VK is Mastodon, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to VK and many of them are Microblogs so hopefully you can find a suitable replacement. Other interesting Microblog alternatives to VK are diaspora*, Bluesky, Pleroma and Friendica.
Decentralized and federated social platform with no ads, focusing on personal interaction, and offering 500 character posts, custom emojis, content warnings, and robust moderation tools.
Diaspora is a federated social networking service, designed to be a more privacy-aware alternative to Facebook . Share what you want, with whom you want.
An open social network that gives creators independence from platforms, developers the freedom to build, and users a choice in their experience.
Pleroma is a free, federated social networking server built on open protocols. It is compatible with GNU Social, Mastodon, and many other ActivityPub and OStatus implementations.
Friendica is a distributed social network application. Which allow users to connect with others via their own Friendica server, but may also fully integrate contacts from other platforms including Twitter, diaspora*, Pump.io and StatusNet into their 'newsfeed'.
Gab Social is an open source and fully decentralized social network powered by the Gab Platform. It is the new social network of Gab.com. This change was made to further Gab's commitment to its users trust and privacy online.
Open source European social platform offering privacy by design, no ads or tracking, topic and region custom feeds, plural verification, media sharing, event RSVP, edit history, friendly communities, regular updates, and Bluesky network compatibility.
GNU social is a continuation of the StatusNet project. It is social communication software for both public and private communications. It is widely supported and has a large userbase.
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...
Bastyon is a revolutionary anti-censorship decentralized publishing and social platform voted to freedom of speech. Based on the blockchain technology, it runs on a set of computers around the world, not controlled by any single entity.
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Perhaps this (and Diaspora) is the best FASS-alternative to such proprietary general profile social networks as VK and Facebook.