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Home/Categories/Communication & Collaboration/Mastodon
icon of Mastodon

Mastodon

Open source alternative to X (formerly Twitter) Premium, Workvivo, Microsoft Viva Engage and Circle

  • 50.4K stars
  • AGPL-3.0
  • Active this week
  • Last commit 2 days ago

Last verified Oct 20, 2026

Mastodon is a decentralized social media platform that prioritizes user control and privacy.

Visit websiteGitHub50.4K stars1-click deploy on Hostinger
image of Mastodon
TL;DR

Mastodon is a self-hosted, federated social network server for communities that want a Twitter or X alternative without a central platform owner. It uses ActivityPub and AGPL-licensed server code.

Read the full breakdownHide the full breakdownWho it is for, how it works, trade-offs and the FAQ
who it's for

Who Mastodon is for#

Communities leaving centralized social platforms

Run a social space with your own moderation rules while remaining connected to other ActivityPub servers.

Skip if:

You need immediate access to the largest mainstream social graph.

Organizations publishing official updates

Own the server, handle, and moderation policy for public posts instead of depending on a proprietary platform account.

Skip if:

Your team cannot maintain a public-facing community service.

the problem

The problem it solves#

Centralized social platforms can change ranking, moderation, API access, and identity rules without community consent. Organizations and communities that rely on public conversation need a way to own moderation policy, user relationships, and long-term access to their social graph.

how Mastodon solves it

How it solves it#

ActivityPub federation

Mastodon servers interoperate with the broader Fediverse, letting users on separate servers follow and interact with one another.

Chronological social timelines

The README highlights real-time chronological timeline updates, media attachments, and standard social posting flows.

Moderation and safety controls

Private posts, locked accounts, content warnings, and server-level moderation tools help communities set their own norms.

strengths · trade-offs

Strengths and trade-offs#

Strengths

  • Community-owned social infrastructureMastodon lets an organization run its own social server while still participating in a wider network through open standards.
  • No single platform gatekeeperUnlike X or Threads, identity and moderation can live with the server operator rather than one company.

Trade-offs

  • -Moderation is operational workRunning a Mastodon server means handling abuse reports, federation decisions, upgrades, and policy enforcement.
  • -Network effects vary by communityMastodon works best when your audience already understands or accepts Fediverse identity and discovery patterns.
versus alternatives

Mastodon vs alternatives#

Mastodon vs X Mastodon is the better choice when a community wants ownership over moderation, identity, and data access. X remains stronger for mainstream reach and centralized discovery. For public communities, nonprofits, publishers, and technical groups that care about open standards, Mastodon trades convenience for control.

tech stack · detected from GitHub

What it's built on#

Languages
JavaScriptRubyTypeScript
Frameworks
ExpressRailsReact
Databases
PostgreSQL
Infrastructure
Docker
Cache
Redis
frequently asked

FAQ#

Can Mastodon replace Twitter or X?

Mastodon can replace X for communities that value federation, chronological feeds, and self-governance. It will not reproduce the same centralized network effects.

Can I self-host Mastodon?

Yes. Mastodon is built for self-hosted servers, but production hosting requires moderation, storage, email, background jobs, and upgrade planning.

What protocol does Mastodon use?

Mastodon uses ActivityPub, which allows federation with other compatible Fediverse software.

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Hostinger

Run Mastodon on your own server

Hostinger sets Mastodon up as a one-click app on a VPS.

Deploy on Hostinger

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