compare
Hollo vs Mastodon
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Hollo | Mastodon |
|---|---|---|
| Language | TypeScript | Ruby |
| Licence | AGPL-3.0 | AGPL-3.0 |
| Stars | 492 | 50k |
| Latest | 0.9.22 | v4.7.3 |
| Last push | 2026-10-06 | 2026-10-06 |
| Release cadence | about 1 day between releases | about 1 day between releases |
| Active contributors | 1 commit author on the default branch in the last 90 days | 20+ commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace X (Twitter). Alternatives to X (Twitter) →
PartialHolloSingle-user server with no web interface of its own, used through Mastodon-compatible clients.
Full replacementMastodonPosts, replies, boosts and follows on your own server, federated with the rest of the fediverse over ActivityPub.
Hollo
Hollo
✓ signed The latest release, 0.9.22, carries a signature GitHub verified.
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Mastodon
unsigned The latest release, v4.7.3, carries no signature GitHub could verify.
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