Mastodon | Open-Source Decentralized Social Network
Mastodon is a free, open-source social network. Launched in 2016 by Eugen Rochko. It is decentralized (federated). Users join different servers (instances) that talk to each other. No ads, no algorithm, user-owned data.Country of Origin: Germany
Headquarters: Community-driven (no central company)
Ownership: Open-source (free & community-driven)Key Features:
Headquarters: Community-driven (no central company)
Ownership: Open-source (free & community-driven)Key Features:
- 500-character posts (toots)
- Custom timelines (Home, Local, Federated)
- Hashtags, polls, content warnings
- Mastodon servers run on ActivityPub
- Mobile apps (official + third-party)
Highlights:
- Over 10 million registered users
- No central control – choose your server
- Very strong privacy & moderation
- Active development (2025–2026: better mobile apps, Groups feature)
- Popular among privacy-focused users & developers
Website: https://joinmastodon.org
Mastodon – social media you actually control!
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