Social media

Fill alternatives

2 open-source projects that already do this job. Free to use - not free to run, which is what the numbers on the right are for.

The full assessment →

The projects

misskey-dev/misskey11,274AGPL-3.0Federated microblogging platform with user accounts, profiles, media uploads, feeds, and moderation tools.Open on GitHub slymnoyann/hey-129,378GPL-3.0A decentralized social media application built on Lens Protocol offering posting, profiles, and interactions.Open on GitHub

What you give up either way

Existing app-store user base and distribution
Mobile UX polish and platform-specific optimizations
Built-in moderation history and community trust
Integrated App Store subscription history for users (if you self-host)
Analytics and crash-collection tied to the existing app

An open-source project doing the core job proves a replacement is possible. It does not prove it matches Fill, and it does not prove anyone has run it for a month. How we decide.