Friendica is a software that works with ActivityPub servers (the fediverse), as well as servers using the Diaspora protocol (used by Diaspora and Hubzilla) or the OStatus protocol (used by GNU Social). The software also allows the usage of accounts on third party networks to read and post content through Friendica's newsfeed.

Friendica currently supports bidirectionally (reading and posting) through the following networks:

• Bluesky
• Tumblr
• GNU Social
• Mail (via IMAP and SMTP)

Users can also post content to these networks:

• Blogger
• Buffer (Facebook, LinkedIn, Twitter)
• Dreamwidth
• Insanejournal
• Libertree
• Livejournal
• WordPress