Mastodon vs Pleroma
Both Mastodon and Pleroma are self-hosted alternatives to Bluesky, Threads and X (Twitter). Both are filed under Communication - Social Networks and Forums.
Side by side
| Field | Mastodon | Pleroma |
|---|---|---|
| Description | Federated microblogging server. | Federated microblogging server, Mastodon, GNU social, & ActivityPub compatible. |
| GitHub stars | 50,467 | Not tracked — proprietary, no public repository |
| License | AGPL-3.0 | AGPL-3.0 |
| Platforms | Ruby | Elixir |
| Latest release | v4.7.4, 29 October 2026 | No stable release |
| Repository activity | 2 November 2026 | Not tracked — proprietary, no public repository |
| Health | Active | No activity date recorded |
| Categories | Communication - Social Networks and Forums | Communication - Social Networks and Forums |
| Website | https://joinmastodon.org/ | https://pleroma.social |
| Source code | https://github.com/mastodon/mastodon | https://git.pleroma.social/pleroma/pleroma |
Where the records differ
Computed from the two records above: a line appears only where the dataset states a figure, a date or a set relation, and no line recommends one application over the other.
- Health labels differ: Mastodon is filed as Active, Pleroma as No activity date recorded.
- Both are listed under the same license: AGPL-3.0.
- Platforms differ: Mastodon lists Ruby; Pleroma lists Elixir.
- Both are filed under the same categories: Communication - Social Networks and Forums.