- Global
Spasm Alternatives
Alternatives list
Wafrn is a social network inspired by tumblr, that also can connect with other wafrn instances, or with mastodon, pleroma, firefish and other platforms that use activitypub.
Open-source chat platform providing community-focused group messaging, video calls, profile customization with animated avatars, custom emojis, tags, post creation, discovery of communities, and full source code access on GitHub. Entirely donation-funded.
United Kingdom
![Profile Interface [PC - 2025]](https://img.alternativeto.net/s/309x197/jpeg/nerimity_993222_full.png)
![Messages View [PC - 2025]](https://img.alternativeto.net/s/309x197/jpeg/nerimity_281418_full.png)
![Server Discovery [PC - 2025]](https://img.alternativeto.net/s/309x197/jpeg/nerimity_282508_full.png)
+2![Server Settings [PC - 2025]](https://img.alternativeto.net/s/309x197/jpeg/nerimity_628028_full.png)
Sharkey is a Misskey fork following upstream changes when possible, with added features. Like any other ActivityPub software Sharkey can interface with the thousands of servers that form the fediverse, an interconnected social network, working in tandem with software such as...
4chan is a simple image-based bulletin board where anyone can post comments and share images. There are boards dedicated to a variety of topics, from Japanese animation and culture to videogames, music, and photography.
United States
The AT Protocol is a networking technology created to power the next generation of social applications. The initial reference application, bsky.app, provides a global-scale microblogging experience.
Cost / License
- Free
- Open Source
Since
- Since 2024
- United States
an open-source, privacy-first social platform providing a safe digital home and voice for unrepresented nations & communities.
- Global
France
EU
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...
Lobsters is a technology-focused link-aggregation site. The site is driven by Ruby on Rails with the source code being freely available for those seeking to create a site similar to Reddit or Hackernews.
Known is a simple platform for publishing words, pictures, podcasts and more to a site that you control. Choose to share it on social networks like Twitter and Facebook, or extend it to integrate with the software you already use.
- United States
+4
Simple Machines Forum — SMF in short — is a free, professional grade software package that allows you to set up your own online community within minutes.
- United States
![Profile Interface [PC - 2025]](https://img.alternativeto.net/s/618x394/avif/nerimity_993222_full.png)
![Messages View [PC - 2025]](https://img.alternativeto.net/s/618x394/avif/nerimity_281418_full.png)
![Server Discovery [PC - 2025]](https://img.alternativeto.net/s/618x394/avif/nerimity_282508_full.png)
![Server Settings [PC - 2025]](https://img.alternativeto.net/s/618x394/avif/nerimity_628028_full.png)
