Mastodon
German non-profit social network founded by Eugen Rochko in 2016. Federated and open-source, with no ads, no algorithms, and no single point of control. Used by 47M+ accounts across 80,000+ independent servers. Hosts the European Commission's official server.
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Why does it score 97?
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Mastodon
BeReal
Mobilizon
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BeReal
60 · Mostly EuropeanFrench social app that sends a daily random notification prompting users to share an unfiltered two-minute photo. Founded in Paris in 2020, acquired by French mobile publisher Voodoo in 2024 for €500M. 40M+ active users.
Mobilizon
92 · Certified EuropeanFrench open-source federated event platform originally created by Framasoft and now maintained by French non-profit Kaihuri. Organise events and groups without ads, tracking, or data exploitation. Federated via ActivityPub: host your own instance or join an existing one.
Pixelfed
97 · Certified EuropeanOpen-source federated photo sharing platform built on ActivityPub. Choose a European instance or self-host for full data sovereignty. No ads, no algorithms, no data mining. Major EU-hosted instances include pixelfed.social and pixelfed.de. Available on iOS and Android.
Lemmy
85 · Strongly EuropeanOpen-source, federated alternative to Reddit built on ActivityPub. No ads, no tracking, no corporate owner. Communities are hosted across thousands of independent instances that talk to each other and to the wider Fediverse.