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Mastodon

Mastodon is a self-hostable, open-source alternative to Twitter/X. This page compiles its license, stack, deployment, maintenance and hosting details from public sources (updated 2026-06-15).

At a glance

category (analytics, CRM, file-storage, BI, etc.)
social networking
SaaS-tool-it-replaces (e.g. 'Google Analytics', 'Notion')
Twitter/X
license type (MIT, AGPL, GPL, BSL, etc.)
AGPL-3.0
primary language/stack
Ruby on Rails, React, PostgreSQL, Redis
deployment method (Docker, Helm/K8s, bare-metal, one-click)
Docker, bare-metal
GitHub stars (snapshot, dated)
~47k (2025-06)
last-commit recency / maintenance activity
Very active
managed-hosting-available (yes/no + who offers it)
Yes - third-party (masto.host)
minimum RAM/CPU footprint
~2-4 GB RAM
has-active-community (Discord/forum size tier)
Large - fediverse

Federated microblogging; heavier resource needs at scale.

Official site / source ↗

Some links may be affiliate links that support this directory.

FAQ

What does Mastodon replace?
Mastodon is a self-hostable alternative to Twitter/X.

What's notable about Mastodon?
Federated microblogging; heavier resource needs at scale.

Is the data here verified?
Yes — every entry is compiled from public sources and links out to its source.