# Mastodon

A free and open-source decentralized social media platform, described on its official site as radically different.
- Official site: https://joinmastodon.org
- Category: Social & Communication
- Japanese UI: Unverified
- Uses AI: Unverified
- Web version: Yes
- Platforms: Web, モバイルアプリ(詳細は未確認)
- Pricing type: 無料
- Free plan: Yes
- Price: Unverified
- Developer: Mastodon(GitHub組織 mastodon)
- Checked on: 2026-11-05

## Key features

- 分散型SNS
- ActivityPub連携
- オープンソース
- セルフホスト可

## Sources

- https://joinmastodon.org
- https://github.com/mastodon/mastodon

Page: https://appnavi.dev/en/apps/mastodon/