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 * [Mastodon](https://joinmastodon.org/) - Most known microblogging platform
 * [Pleroma](https://pleroma.social/) - Lightweight microblogging platform
-* [GnuSocial](https://gnu.io/social) - Oldest microblogging platform
+* [GnuSocial](https://gnu.io/social/) - Oldest microblogging platform
 * [Misskey](https://joinmisskey.github.io/) - Sophisticated microblogging platform
 * [Microblog.pub](https://microblog.pub/) - Single-user lightweight microblogging platform
 * [Osada](https://zotlabs.com/osada/) - Alternate blog / social networks platform with file, contacts and events sharing